District of Columbia
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District of Columbia · Census 2023
375businesses with employees across these trades in District of Columbia
- Plumbing, heating and air-conditioning contractors (plumbers and HVAC: one Census code)37+2 vs 2022
- Roofing contractors6−1 vs 2022
- Landscaping businesses22−9 vs 2022
- Dental offices310−1 vs 2022
Source: U.S. Census Bureau, County Business Patterns 2023, businesses with paid employees. Each Census code is counted once.
Washington7,032 in the trades below · Washington–Arlington–Alexandria metro
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Updated October 2026. Business counts: U.S. Census Bureau, County Business Patterns 2023.