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Companies starting with A
11,44,239 profiles.
- American Issues ProjectUnited States
- American IT Management and Consulting (India) Private LimitedStruck off, Maharashtra, since 2004
- American IT Services Private LimitedActive, Tamil Nadu, since 2021
- American IT Systems India Private LimitedActive, Telangana, since 2024
- American IT Systems LimitedActive, Information technology consultancy activities, London, United Kingdom
- American Italian Anti-Defamation League
- American Italian Cultural CenterUnited States
- American Italian Pasta Company
- American Jazz Orchestra
- American Jewish Alternatives to Zionism
- American Jewish CommitteeActive, New York, United States
- American Jewish CongressNew York City, United States
- American Jewish Historical Societyhigher education, New York City, United States
- American Jewish Joint Distribution Committeereligious congregations and associations, New York City, United States
- American Jewish Press AssociationUnited States
- American Jewish UniversityUnited States
- American Jewish World Serviceinternational activities, New York City, United States
- American Joint Committee on CancerUnited States
- American Joint Replacement RegistryRosemont, United States
- American Journal of Applied Sciences
- American Journal of Comparative Law
- American Journal of Distance Education
- American Journal of Geriatric Psychiatry
- American Journal of Legal HistoryUnited States
- American Journal of Neurology and PsychiatryUnited States
- American Journal of Speech-Language Pathology
- American Journalism Historians AssociationUnited States
- American Journalism ProjectUnited States
- American Journey Financial LifeActive, Columbus, United States
- American Jukebox LimitedActive, Artistic creation, Abingdon, United Kingdom
- American Junction Motion Pictures LLPActive, since 2024
- American Junior Red Cross
- American Juniors
- American Karachay-Kavkaz Benevolent AssociationPaterson, United States
- American Kart Online Retail Private LimitedActive, Maharashtra, since 2022
- American Ken, Inc.Active, Sacramento, United States
- American Kidney FundRockville, United States
- American Kidz Play School Private LimitedActive, Uttar Pradesh, since 2014
- American KNW, Inc.Active, El Paso, United States
- American Koyu CorporationActive, American Canyon, United States
- American Kua, LLCActive, Wilmington, United States
- American L&P, Co.Active, Houston, United States
- American Labelmark CompanyActive, Wilmington, United States
- American Labor PartyDissolved, New York City, United States
- American Labor PartyDissolved, New York City, United States
- American Laboratories, Inc.Active, Omaha, United States
- American Laboratory Products Company, Ltd.Active, Concord, United States
- American Laboratory Products in Europe LimitedActive, Repair of electronic and optical equipment, Bedford, United Kingdom
- American LaFranceDissolved, Summerville, United States
- American Lamprecht Transport, Inc.Active, Lawrence, United States
- American Landmark LLCActive, Tampa, United States
- American Lane Quantitative Strategies Fund LPActive, George Town, Cayman Islands
- American Language Academy SLActive, Madrid, Spain
- American Language Centre LimitedActive, Other education n.e.c., South Croydon, United Kingdom
- American Language School LimitedActive, Educational support services, London, United Kingdom
- American LaserRishon LeZion, Israel
- American Laser Eye Hospitals Private LimitedActive, Andhra Pradesh, since 2022
- American Laser GamesDissolved, video game industry, Albuquerque, United States
- American Latvian AssociationRockville, United States
- American Laubscher CorporationInactive, Farmingdale, United States
- American Law and Economics AssociationUnited States
- American Law InstitutePhiladelphia, United States
- American Law Reports
- American Lawn Tennis
- American Lead Learning Institute Private LimitedStruck off, Delhi, since 2010
- American Leadership Academy Private LimitedActive, Delhi, since 2024
- American Leadership Project
- American Leadership Strategies SLActive, Sevilla, Spain
- American Leadership Study Groups Inc.Active, 1-3 Chilworth Mews, United Kingdom
- American League Against War and FascismDissolved, United States
- American Leak Detection Holding Corp.Active, Dover, United States
- American Leak Detection, Inc.Active, Sacramento, United States
- American Leathers Private LimitedStruck off, Tamil Nadu, since 1993
- American Lebanese Syrian Associated CharitiesUnited States
- American Lebanese Syrian Associated Charities, Inc.Active, Chicago, United States
- American Led Group Distribution LtdActive, Wholesale of electronic and telecommunications equipment and parts, Liverpool, United Kingdom
- American Ledger Ats LLCActive, Middletown, United States
- American Legal Publishing CorporationActive, Cincinnati, United States
- American Legalnet India Private LimitedActive, Telangana, since 2018
- American Legend B.V.Inactive, 'T Goy, Kingdom of the Netherlands
- American Legend CooperativeActive, Seattle, United States
- American Legend Homes Private LimitedActive, Telangana, since 2025
- American Legion AuxiliaryUnited States
- American Legion Department of ArkansasLittle Rock, United States
- American Legion Department of MinnesotaSaint Paul, United States
- American Legion Department of WashingtonLacey, United States
- American Legislative Exchange CouncilArlington County, United States
- American Leisure International LimitedActive, Other retail sale not in stores, stalls or markets, Skelmersdale, United Kingdom
- American Lending Solutions, LLCInactive, Columbus, United States
- American Lending, Inc.Active, Cerritos, United States
- American Leprosy MissionActive, since 2007
- American Letter Mail CompanyDissolved, New York City, United States
- American Liberty Mortgage, IncorporatedActive, Denver, United States
- American Library AssociationChicago, United States
- American Library Institute
- American Licorice CompanyActive, Wilmington, United States
- American Life & Security Corp.Active, Lincoln, United States
- American Life Financial Partners, LLCActive, Dover, United States
- American Life Insurance CompanyActive, Wilmington, United States
- American Life Insurance CompanyActive, Doha, United States
- American Life Insurance Company LimitedActive, United Kingdom
- American Life Insurance Company-Dubai BranchActive, New York, United States
- American Life LeagueStafford, United States
- American Lifeguard AssociationFlorida
- American Lifeguard EventsVienna, VA
- American Light & Power Ii, LLCInactive, Houston, United States
- American Light and Tractionenergy supply, Detroit, United States
- American Lighthouse FoundationUnited States
- American Linefreight transport, Philadelphia, United States
- American Line LimitedActive, Manufacture of computers and peripheral equipment, Surrey, United Kingdom
- American Lithium Corp.Active, Vancouver, Canada
- American Lithium Corp.Listed, United States
- American Lithium Mineralsmineral exploration, Carson City, United States
- American Lithium Minerals, Inc.Listed, United States
- American Lithographic CompanyDissolved, Cincinnati
- American Littoral SocietySandy Hook, United States
- American Liver FoundationNew York City, United States
- American Livetech Solutions LLPActive, Delhi, since 2018
- American Locomotive CompanyDissolved, transport, locomotive manufacturing, mechanical engineering, Schenectady, United States
- American Logging & Perforating, Inc.Inactive, Oklahoma City, United States
- American Logistics Company, LLCActive, St. George, United States
- American Logistics LtdActive, Freight transport by road, Harlow, United Kingdom
- American Lounger (OPC) Private LimitedStruck off, Haryana, since 2022
- American Louver CompanyActive, Wheaton, United States
- American LtdActive, Business and domestic software development, London, United Kingdom
- American Luggage LtdActive, Wholesale of textiles, Harrogate, United Kingdom
- American Lumber Standard CommitteeUnited States
- American Lung AssociationWashington, D.C., United States
- American Luxuries LtdActive, Retail sale of bread, cakes, flour confectionery and sugar confectionery in specialised stores, London, United K
- American Lyceum LtdActive, Pre-primary education, London, United Kingdom
- American Lyric Theater
- American Machine (Europe) LtdActive (proposal to strike off), Wholesale of other machinery and equipment, Grimsby, United Kingdom
- American Machine and FoundryNew York City, United States
- American Machinery B.V.Active, Hollandsche Rading, Kingdom of the Netherlands
- American Made, LLCActive, Cranberry Twp, United States
- American Maglev Technology (United States)United States
- American Mail Line
- American MajorityPurcellville, United States
- American Majority ActionPurcellville, United States
- American Malacological Society
- American Management Associationactivities of professional membership organisations, New York City, United States
- American Management Association EuropeActive, Watermael-Boitsfort, Belgium
- American Management Group LLCActive, since 2014
- American Management Investments, LLCActive, Las Vegas, United States
- American Management SystemsDissolved, Fairfax
- American Manufacturing and Packagingfood processing, Cookeville
- American Maplan CorporationActive, Mcpherson, United States
- American Maritime Officers Pension PlanActive, Dania Beach, United States
- American Marketing Associationmarketing, Chicago, United States
- American Marketing India Private LimitedActive, Telangana, since 2024
- American Marquee Hire LimitedActive, Renting and leasing of other machinery, equipment and tangible goods n.e.c., Halstead, United Kingdom
- American marsh
- American Martial Arts AllianceUnited States
- American Mask Manufacturers Association
- American Mathematical Association of Two-Year CollegesSouthwest Tennessee Community College, United States
- American Mathematical SocietyProvidence, United States
- American Maturity Life Insurance Co Separate Account OneActive, Hartford, United States
- American Maturity Life Insurance CompanyActive, Hartford, United States
- American Maturity Life Insurance Company Separate Account AmlvaActive, Windsor, United States
- American Me
- American Meats and Sweets LtdActive (proposal to strike off), Take-away food shops and mobile food stands, Blackpool, United Kingdom
- American Med Hospitals Private LimitedStruck off, Telangana, since 2008
- American Media, Inc.Active, media industry, Wilmington, United States
- American Medical AssociationActive, Chicago, United States
- American Medical Association Pension PlanActive, Chicago, United States
- American Medical BureauDissolved, United States
- American Medical Directory
- American Medical Group AssociationAlexandria, United States
- American Medical Imaging, LLCActive, Wilmington, United States
- American Medical Informatics AssociationBethesda, United States
- American Medical Institute Private LimitedStruck off, Tamil Nadu, since 2007
- American Medical Marijuana Association
- American Medical Responsehealth care, Greenwood Village
- American Medical Society for Sports MedicineLeawood, United States
- American Medical Systems Europe B.V.Active, Kerkrade, Kingdom of the Netherlands
- American Medical Systems, Inc.Active, Wilmington, United States
- American Medical Women's AssociationUnited States, United States
- American Megatrendscomputer hardware industry, firmware, software industry, Gwinnett County, United States
- American Megatrends India Private LimitedChennai
- American Megatrends Technologies India Private LimitedActive, Tamil Nadu, since 2018
- American memorial hospitalFrance
- American Memorial Life Insurance CompanyActive, Madison, United States
- American MensaArlington, United States
- American Mental Health Counselors Association
- American Merchandising Limited.Active, West Bengal, since 1984
- American Merchandising Specialists, Inc.Active, Raleigh, United States
- American Merchant Lines
- American Merchant Marine Library Association
- American Metal Bearing CompanyActive, Irvine, United States
- American Metal Companymetal industry, New York City, United States
- American Metal Finishing, Inc.Active, Green Bay, United States
- American Metal Marketmass media, United States
- American Metal Technologies, LLCActive, Sturtevant, United States
- American Metals Company, Inc.Active, Mesa, United States
- American Metals LimitedDissolved, Maharashtra, since 1941
- American Metals Recovery And Recycling Inc.Active, Reno, United States
- American Metals Supply, Inc.Inactive, Tampa, United States
- American Meteorological Society, Inc.Active, higher education, Boston, United States
- American Methodist Episcopal Mission
- American Metro BankActive, Chicago, United States
- American Metro Center LLCActive, Lakewood, United States
- American Micro Deviceselectronics
- American Micro Products, Inc.Active, Batavia, United States
- American Micronic Instruments (India) Private LimitedActive, Haryana, since 2014
- American MicrophoneLos Angeles
- American Microscopical SocietyUnited States
- American Middle Eastern Medical Solutions LLCActive, Las Vegas, United States
- American Middle Eastern Medical Solutions Private LimitedActive, Karnataka, since 2021
- American Midstream, LLCActive, Dover, United States
- American Midwest Mortgage CorporationInactive, Parma Heights, United States
- American Migraine FoundationUnited States
- American Miners' Association
- American Mining and Minerals, Inc.Active, Henderson, United States
- American Mining and Stock ExchangeDissolved, United States
- American Mission HospitalBahrain
- American Mission in EgyptEgypt
- American Missionary AssociationUnited States
- American Mobile Resources (Worldwide) LimitedActive (proposal to strike off), Wireless telecommunications activities, Mildenhall, United Kingdom
- American Mobile Television LLCActive, Denver, United States
- American Modal Services LLCActive, Wilmington, United States
- American Modern Home Insurance CompanyActive, Amelia, United States
- American Modern Home Service CompanyInactive, Amelia, United States
- American Modern Insurance Company of Florida, Inc.Active, Tallahassee, United States
- American Modern Insurance Group, Inc.Active, Amelia, United States
- American Modern Lloyd's Insurance CompanyActive, Austin, United States
- American Modern Nails LtdActive, Hairdressing and other beauty treatment, Tunbridge Wells, United Kingdom
- American Modern Property and Casualty Insurance CompanyActive, Amelia, United States
- American Modern Select Insurance CompanyActive, Amelia, United States
- American Moment
- American Momentum BankActive, finance, College Station, United States
- American Monetary InstituteUnited States
- American Money Management CorporationActive, Cincinnati, United States
- American Montessori Society
- American Morgan Horse AssociationUnited States
- American Mortgage Bank, Inc.Active, Oklahoma City, United States
- American Mortgage Company LLCActive, Delray Beach, United States
- American Mortgage CorporationActive, St. Louis, United States
- American Mortgage Service CompanyInactive, Cincinnati, United States
- American Mortgage Services IncorporatedActive, Atoka, United States
- American Mortgage, IncActive, Bellevue, United States
- American Mortgage, IncNull, Bellevue, United States
- American Mosquito Control AssociationMount Laurel, United States
- American Motor Truck CompanyDissolved, Newark
- American Motor Vehicle CompanyDissolved, automotive industry, Lafayette, United States
- American Motorcyclist AssociationPickerington, United States
- American Motorhome Club UK LimitedActive, Activities of other membership organizations n.e.c., Welwyn Garden City, United Kingdom
- American Motorhome Services LtdActive, Maintenance and repair of motor vehicles, Roade, United Kingdom
- American Motors - χρ. πιλαλης - ψυκτικοι θαλαμοι ανωνυμη βιομηχανικη και εμπορικη εταιρειαActive, Kryoneri, Greece
- American Motors CorporationActive, automotive industry, San Jose, United States
- American Motors IncorporatedUnited States
- American Motors Pty LtdActive, Kobble Creek, Australia
- American MotosActive, Toulouse, France
- American Mountain Guides AssociationUnited States
- American Moving & Storage AssociationUnited States
- American Msi CorporationActive, California, United Kingdom
- American Muffin Co. LtdActive, Manufacture of rusks and biscuits; manufacture of preserved pastry goods and cakes, London, United Kingdom
- American Multi-Asset PortfolioActive, Luxembourg, Luxembourg
- American Multimedia Television USALos Angeles, United States
- American Multiplastics, IncActive, Spring, United States
- American Municipal Power, Inc.Active, Columbus, United States
- American Murder Song
- American Museum & GardensActive, Museums activities, Bath And North East Somerset, United Kingdom
- American Museum Enterprises LimitedActive, Other retail sale in non-specialised stores, Bath, United Kingdom
- American Music Abroad Honor Bands, Choirs and Orchestras, Inc.Active, Voorhees, United States
- American Music Club
- American Music Company Private LimitedStruck off, Goa, since 1996
- American Music Program Pacific Crest Jazz Orchestra
- American Musical Instrument SocietyPortland, United States
- American Musical Salute LLCActive, Mesa, United States
- American Musicological Societyhigher education, New York City, United States
- American Muslim Health ProfessionalsUnited States
- American Muslims for PalestinePalos Hills
- American Mustache InstitutePittsburgh, United States
- American Mutual FundActive, Wilmington, United States
- American Nail Bar LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nail Design 393 LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nail Design 590 LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nail Design LimitedActive, Hairdressing and other beauty treatment, Coventry, United Kingdom
- American Nail Fashion LimitedActive, Hairdressing and other beauty treatment, Sevenoaks, United Kingdom
- American Nails & Beauty LtdActive, Hairdressing and other beauty treatment, Bath, United Kingdom
- American Nails & Co. 4 LtdActive, Hairdressing and other beauty treatment, Mitlon Keynes, United Kingdom
- American Nails & SpA (Pa) LimitedActive, Hairdressing and other beauty treatment, Glasgow, United Kingdom
- American Nails & SpA 172 LtdActive, Hairdressing and other beauty treatment, Bedford, United Kingdom
- American Nails & SpA 33 LtdActive, Hairdressing and other beauty treatment, Berwick-Upon-Tweed, United Kingdom
- American Nails & SpA 6868 LtdActive, Hairdressing and other beauty treatment, Greenock, United Kingdom
- American Nails (L22) LimitedActive (proposal to strike off), Hairdressing and other beauty treatment, Liverpool, United Kingdom
- American Nails (Leicester) LimitedActive, Hairdressing and other beauty treatment, Leicester, United Kingdom
- American Nails (Liverpool) LimitedActive, Hairdressing and other beauty treatment, Liverpool, United Kingdom
- American Nails (Pa) LimitedActive, Hairdressing and other beauty treatment, Paisley, United Kingdom
- American Nails (Wakefield) LtdActive (proposal to strike off), Hairdressing and other beauty treatment, London, United Kingdom
- American Nails 1 LtdActive, Hairdressing and other beauty treatment, Fishponds, United Kingdom
- American Nails 19 LtdActive, Hairdressing and other beauty treatment, Bridlington, United Kingdom
- American Nails 2 LtdActive, Hairdressing and other beauty treatment, Newton Abbot, United Kingdom
- American Nails 26 LtdActive, Hairdressing and other beauty treatment, Swindon, United Kingdom
- American Nails 68 LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nails and Beauty HN LtdActive (proposal to strike off), Hairdressing and other beauty treatment, London, United Kingdom
- American Nails and Beauty Salon LtdActive, Hairdressing and other beauty treatment, Hinckley, United Kingdom
- American Nails and Beauty SG LtdActive, Hairdressing and other beauty treatment, Yeovil, United Kingdom
- American Nails and SpA 15 LtdActive, Hairdressing and other beauty treatment, Wetherby, United Kingdom
- American Nails and SpA LimitedActive (proposal to strike off), Hairdressing and other beauty treatment, Glasgow, United Kingdom
- American Nails and SpA MP LtdActive, Hairdressing and other beauty treatment, Wetherby, United Kingdom
- American Nails Anniesland LtdActive, Hairdressing and other beauty treatment, Glasgow, United Kingdom
- American Nails Ba3 LtdActive, Hairdressing and other beauty treatment, Radstock, United Kingdom
- American Nails Beauty LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nails Cardiff LtdActive, Hairdressing and other beauty treatment, Cardiff, United Kingdom
- American Nails Clacton LtdActive, Hairdressing and other beauty treatment, Clacton-On-Sea, United Kingdom
- American Nails Clarkton LtdActive, Hairdressing and other beauty treatment, Glasgow, United Kingdom
- American Nails Design LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nails DVN LtdActive, Hairdressing and other beauty treatment, Basingstoke, United Kingdom
- American Nails HMT LtdActive, Hairdressing and other beauty treatment, Ebbw Vale, United Kingdom
- American Nails HN LtdActive, Hairdressing and other beauty treatment, Stourport-On-Severn, United Kingdom
- American Nails Ho LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nails in Wellington LimitedActive, Hairdressing and other beauty treatment, Telford, United Kingdom
- American Nails JK LimitedActive, Hairdressing and other beauty treatment, Enfield, United Kingdom
- American Nails Kitty LtdActive, Hairdressing and other beauty treatment, Catterick Garrison, United Kingdom
- American Nails LtdActive, Hairdressing and other beauty treatment, Selby, United Kingdom
- American Nails North 2 LimitedActive, Hairdressing and other beauty treatment, Alfreton, United Kingdom
- American Nails Oxford LtdActive, Hairdressing and other beauty treatment, Oxford, United Kingdom
- American Nails Rutherglen LtdActive, Hairdressing and other beauty treatment, Glasgow, United Kingdom
- American Nails Salon LimitedActive, Hairdressing and other beauty treatment, Tonbridge, United Kingdom
- American Nails Shirley LimitedActive, Hairdressing and other beauty treatment, Enfield, United Kingdom
- American Nails SLT LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- American Nails Studio LimitedActive (proposal to strike off), Hairdressing and other beauty treatment, Wilmslow, United Kingdom
- American Nails Taunton LtdActive, Hairdressing and other beauty treatment, Taunton, United Kingdom
- American Nails Tonypandy LtdActive, Hairdressing and other beauty treatment, Tonypandy, United Kingdom
- American Nails TVT LtdActive (proposal to strike off), Hairdressing and other beauty treatment, London, United Kingdom
- American Nails Yeovil LtdActive, Hairdressing and other beauty treatment, Yeovil, United Kingdom
- American Name Societyhigher education, Detroit
- American NapierDissolved, Boston
- American Nation BankActive, Ardmore, United States
- American National BankActive, Omaha, United States
- American National Bank & TrustActive, Wichita Falls, United States
- American National Bank - Fox CitiesActive, Appleton, United States
- American National Bank and Trust CompanyInactive, Danville, United States
- American National Bank of MinnesotaActive, Baxter, United States
- American National Bank of Texasbank, Terrell, United States
- American National BanksharesUnited States
- American National Bankshares Inc.Inactive, Danville, United States
- American National Carbideindustrial manufacturing, Tomball
- American National Council of Uhro-RusynsHomestead, United States
- American National Global FundingActive, Wilmington, United States
- American National Group Inc.Active, Wilmington, United States
- American National Group Inc.Listed, United States
- American National Group, Inc.Active, Wilmington, United States
- American National Insurance CompanyActive, insurance industry, Galveston, United States
- American National Life Insurance Company of New YorkInactive, Galveston, United States
- American National Life Insurance Company of New YorkActive, Galveston, United States
- American National PartyNew York City, United States
- American National Property and Casualty CompanyActive, Clayton, United States
- American National Red CrossActive, emergency and relief, Washington, United States
- American National Shipping Line India Private LimitedActive, Delhi, since 2001
- American National Standards Institute, IncorporatedActive, New York, United States
- American National UniversityUnited States
- American National Variable Annuity Separate AccountActive, Galveston, United States
- American National Variable Life Separate AccountActive, Galveston, United States
- American Nationwide Mortgage Company, Inc.Active, Tampa, United States
- American Natural Retail Pa LLCActive, Harrisburg, United States
- American Natural Soda Ash Corp.Active, Wilmington, United States
- American Naval Stores Company
- American Near East Refugee AidWashington, D.C., United States
- American Negro Labor CongressUnited States
- American Neighborhood Mortgage Acceptance Company LLCActive, Dover, United States
- American NetworkMexico City, Mexico
- American Network Insurance CompanyActive, Harrisburg, United States
- American Network Ltd.Active, Other business support service activities n.e.c., Hounslow/Greater London, United Kingdom
- American Neurological AssociationUnited States
- American Neurotology SocietyUnited States
- American News CompanyDissolved, newspaper, New Jersey, United States
- American News Service LimitedActive, News agency activities, Ely, United Kingdom
- American Newspaper RepositoryUnited States
- American Nexus Trading Private LimitedStruck off, Telangana, since 2021
- American Nicaraguan FoundationManagua, United States
- American Night Productions LimitedActive, Motion picture production activities, London, United Kingdom
- American Nightmare
- American Nitrox Divers InternationalNew York City, United States
- American Non Surgical Spine Institute Nagpur Private LimitedStruck off, Maharashtra, since 2015
- American Non-Governmental Organizations Coalition for the International Criminal Court
- American Nonsurgical Spine Institute (Mumbai) Private LimitedStruck off, Maharashtra, since 2013
- American Nonsurgical Spine Institute Private LimitedActive, Maharashtra, since 2011
- American Northwest Distributors, Inc.Active, Seattle, United States
- American Notes and Queries
- American Nuclear SocietyLa Grange Park, United States
- American Numismatic Associationnumismatics, higher education, Colorado Springs, United States
- American Numismatic Societyhigher education, United States
- American Nurses AssociationSilver Spring, United States
- American Nurses Credentialing CenterActive, Washington, United States
- American Nursing Institute Private LimitedStruck off, Delhi, since 2003
- American Nursing Private LimitedStruck off, Telangana, since 2003
- American Nutrition AssociationHinsdale, United States
- American Nutrition, Inc.Inactive, Ogden, United States
- American Oak LimitedActive (proposal to strike off), Manufacture of veneer sheets and wood-based panels, Cardiff, United Kingdom
- American Oak Preserving Company, Inc.Active, North Judson, United States
- American Occupational Therapy FoundationUnited States
- American Off Road LtdActive, Wholesale trade of motor vehicle parts and accessories, Burton-On-Trent, United Kingdom
- American Oil Chemists' SocietyActive, Urbana, United States
- American Omni Trading Company LLCActive, Wilmington, United States
- American Oncology Hospital Private LimitedActive, Telangana, since 2025
- American OneActive, Luxembourg, Luxembourg
- American One Premium Tobacco LimitedActive, Delhi, since 2019
- American Openings, LLCActive, Tucson, United States
- American Opera Company
- American Opera Projects
- American Opera Society
- American Ophthalmic Laboratories (India) Private LimitedActive, Tamil Nadu, since 1999
- American Ophthalmological SocietyUnited States
- American OpportunityAlexandria, United States
- American OpticalSouthbridge
- American Optical UK LimitedActive, Other business support service activities n.e.c., Bath, United Kingdom
- American Optics LtdActive, Burlington, Canada
- American Orchards, LLCActive, Mesa, United States
- American Orchid SocietyUnited States
- American Orff-Schulwerk AssociationUnited States
- American Organic Energy, LLCActive, New York, United States
- American Orient Capital Partners India Private LimitedActive, Delhi, since 1995
- American Oriental Bioengineering, Inc.Active, Las Vegas, United States
- American Oriental Candy & Vape LtdActive, Retail sale in non-specialised stores with food, beverages or tobacco predominating, Southampton, United Kingdom
- American Ornithological SocietyUnited States
- American ornithology, for home and schoolDissolved
- American Ortho-Tech Private LimitedActive, Tamil Nadu, since 2003
- American Orthodontic Laboratory S.R.L.Active, Impruneta, Italy
- American Orthodontics (UK) LimitedActive, Dental practice activities, Peterborough, United Kingdom
- American Orthodontics Benelux BvbaActive, Edegem, Belgium
- American Orthodontics CorporationActive, Sheboygan, United States
- American Orthopaedic Foot and Ankle SocietyRosemont, United States
- American Orthopaedic Society for Sports MedicineUnited States
- American Orthopedic Institute of India Private LimitedActive, Uttar Pradesh, since 2020
- American Osler Society
- American Osteopathic AssociationChicago, United States
- American Osteopathic Association Bureau of Osteopathic SpecialistsUnited States
- American Osteopathic Board of AnesthesiologyChicago
- American Osteopathic Board of DermatologyKirksville, United States
- American Osteopathic Board of Emergency MedicineChicago, United States
- American Osteopathic Board of Family PhysiciansArlington Heights, United States
- American Osteopathic Board of Internal MedicineChicago, United States
- American Osteopathic Board of Neurology and PsychiatryChicago
- American Osteopathic Board of Neuromusculoskeletal MedicineIndianapolis, United States
- American Osteopathic Board of Nuclear MedicineChicago, United States
- American Osteopathic Board of Obstetrics and GynecologyChicago Heights, United States
- American Osteopathic Board of Ophthalmology and OtolaryngologyHuber Heights
- American Osteopathic Board of Orthopedic SurgeryPort Huron
- American Osteopathic Board of PathologyChicago, United States
- American Osteopathic Board of PediatricsChicago, United States
- American Osteopathic Board of Physical Medicine and RehabilitationChicago, United States
- American Osteopathic Board of Preventive MedicineChicago, United States
- American Osteopathic Board of ProctologyChicago, United States
- American Osteopathic Board of RadiologyMilan, United States
- American Osteopathic Board of SurgeryHuber Heights
- American Osteopathic College of Occupational & Preventive MedicineUnited States
- American Osteopathic College of RadiologyMilan
- American Outdoor Brands
- American Outdoor Brands, Inc.Listed, United States
- American Overseas AirlinesDissolved, New York City, United States
- American Overseas Career Consultants Private LimitedActive, Haryana, since 2023
- American Overseas Education Private LimitedActive, Haryana, since 2022
- American OversightWashington, D.C., United States
- American Owlines LLCActive, Glendale, United States
- American Pacific (India) Private LimitedActive, Delhi, since 2000
- AMERICAN PACIFIC BORATES LIMITED
- American Pacific Computers LimitedActive, Non-specialised wholesale trade, Milton Keynes, United Kingdom
- American Pacific CorporationActive, Carson City, United States
- American Pacific Enterprises LLCActive, since 2006
- American Pacific Group, L.P.Active, Wilmington, United States
- American Pacific IT Ventures Private LimitedStruck off, Bihar, since 2012
- American Pacific Mining CorpListed, United States
- American Pacific Mining Corp.Active, Vancouver, Canada
- American Pacific Mortgage CorporationActive, Sacramento, United States
- American Pacific Properties Corp.Active, Wilmington, United States
- American Pacific Resources, Inc.Active, Cheyenne, United States
- American Packaging CorporationActive, Harrisburg, United States
- American Padel Club LimitedActive, Agents specialized in the sale of other particular products, Southend-On-Sea, United Kingdom
- American Padel LimitedActive, Agents specialized in the sale of other particular products, Southend-On-Sea, United Kingdom
- American Pain Consortium Holdings, LLCActive, Newark, United States
- American Pain Consortium Management, LLCActive, Newark, United States
- American Pain SocietyDissolved, United States
- American Paints (India) LimitedStruck off, Uttar Pradesh, since 1998
- American Paints (India) Ltd.Active, Delhi, since 1992
- American Palestine Line
- American Palestine Public Affairs ForumUnited States
- American Pan International Holdings LimitedActive, Manufacture of machinery for food, beverage and tobacco processing, Skelmersdale, United Kingdom
- American Pan UK LtdActive, Manufacture of other fabricated metal products n.e.c., Skelmersdale, United Kingdom
- American Paper & Twine CompanyActive, Nashville, United States
- American Paper Export Inc.Active, Vancouver, Canada
- American Paper Mills Supply LLCActive, Briarcliff Manor, United States
- American Parkinson Disease AssociationUnited States
- American Parliamentary Debate Association
- American Partners Federal Credit UnionActive, Reidsville, United States
- American PartyUnited States
- American PartyUtah, United States
- American PartyUnited States
- American PartyDissolved, United States
- American PartyDissolved, United States
- American Party of LaborUnited States
- American Party of South CarolinaUnited States
- American Patchwork Quartet
- American Pathology Partnershealth care industry, Nashville, United States
- American Pathways Consulting LLCActive, Duluth, United States
- American Patriot Oil & Gas LimitedActive, Melbourne, Australia
- American Payroll AssociationSan Antonio
- American Payroll Institute, Inc.Active, Medford, United States
- American Peace CrusadeDissolved