Name and Register a Business in District of Columbia
Official District of Columbia business links and the industries with the most locations in the state.
Official District of Columbia business registration links
- Permits, Licenses, and Certifications
- Office of the Secretary
- Office of Tax and Revenue
- Department of Employment Services
- Employer Tax Information (Unemployment Insurance)
- District of Columbia website
- Business Resource Center
- Economic Development and Planning
- New Hire Registry
- Small Business Administration - DC
- Agency Directory
- Office of the Deputy Mayor for Planning and Economic Development
- Office of Contracting and Procurement
Official state agency links as listed by the IRS on its District of Columbia state links page. Filing fees and steps change, so confirm current requirements with the agency before you file.
Industries with the most locations in District of Columbia
- Offices of Lawyers (1,209)
- Full-Service Restaurants (935)
- Administrative Management and General Management Consulting Services (852)
- Limited-Service Restaurants (846)
- Public Relations Agencies (501)
- Business Associations (492)
- Religious Organizations (479)
- Parking Lots and Garages (413)
- Other Social Advocacy Organizations (404)
- Computer Systems Design Services (402)
- Offices of Real Estate Agents and Brokers (380)
- Food Service Contractors (345)
- Offices of Physicians (except Mental Health Specialists) (331)
- Custom Computer Programming Services (325)
- Residential Property Managers (320)
- Offices of Dentists (311)
- Professional Organizations (308)
- Lessors of Residential Buildings and Dwellings (307)
- Human Rights Organizations (302)
- Child Day Care Services (294)
- Grantmaking Foundations (272)
- Commercial Banking (264)
- Engineering Services (249)
- Civic and Social Organizations (243)
- Snack and Nonalcoholic Beverage Bars (242)
- All Other Professional, Scientific, and Technical Services (233)
- Other Individual and Family Services (223)
- Other Scientific and Technical Consulting Services (218)
- Beer, Wine, and Liquor Stores (189)
- Political Organizations (182)
- Architectural Services (180)
- Corporate, Subsidiary, and Regional Managing Offices (179)
- Supermarkets and Other Grocery (except Convenience) Stores (175)
- Marketing Consulting Services (172)
- Drinking Places (Alcoholic Beverages) (168)
- Beauty Salons (158)
- Elementary and Secondary Schools (157)
- Educational Support Services (155)
- Temporary Help Services (154)
- Environment, Conservation and Wildlife Organizations (151)
- Fitness and Recreational Sports Centers (143)
- Residential Remodelers (139)
- Research and Development in the Social Sciences and Humanities (131)
- Convenience Stores (131)
- Lessors of Nonresidential Buildings (except Miniwarehouses) (130)
- Hotels (except Casino Hotels) and Motels (129)
- Offices of Mental Health Practitioners (except Physicians) (128)
- Wired Telecommunications Carriers (126)
- Pharmacies and Drug Stores (122)
- Data Processing, Hosting, and Related Services (121)
- Office Administrative Services (120)
- Janitorial Services (120)
- Other Computer Related Services (116)
- Nonresidential Property Managers (116)
- Other Activities Related to Real Estate (115)
- Labor Unions and Similar Labor Organizations (113)
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (110)
- Offices of Physical, Occupational and Speech Therapists, and Audiologists (107)
- Software Publishers (105)
- Other Management Consulting Services (104)
Location counts: U.S. Census Bureau, County Business Patterns 2022.
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