90,636 companies in Industrial & mechanical in District of Columbia.
Explore 90,636 Industrial & mechanical in District of Columbia listed with contact details, employee size, revenue, and NAICS/SIC codes. Compare suppliers and service providers side by side and reach the right companies directly, or view the same industry in Industrial & mechanical in California, Industrial & mechanical in Florida, Industrial & mechanical in Texas.
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | US Department of Transportation | Washington | 55,000 | $299.2B |
| 2 | United States Navy | Washington | 562,000 | $248B |
| 3 | US Department of Agriculture | Washington | 100,000 | $228.3B |
| 4 | US Air Force | Washington | 689,000 | $217.5B |
| 5 | The Defense Credit Union | Washington | 1,611,000 | $168.6B |
| 6 | The SBA | Washington | 6,373 | $107.2B |
| 7 | Department of Homeland Security | Washington | 260,000 | $97.3B |
| 8 | US Department of Health and Human Services | Washington | 80,000 | $95.4B |
| 9 | US Marine Corps | Washington | 184,000 | $88.1B |
| 10 | US Department of Education | Washington | 4,400 | $68B |
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 86,694 | 95.7% |
| 51-200 | 2,990 | 3.3% |
| 201-1000 | 766 | 0.8% |
| 1001-5000 | 112 | 0.1% |
| 5001+ | 66 | 0.1% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 87,599 | 96.7% |
| $10M-$50M | 2,347 | 2.6% |
| $50M-$250M | 457 | 0.5% |
| $250M-$1B | 74 | 0.1% |
| $1B+ | 73 | 0.1% |
Share is of companies with a known value — 90,628 with headcount and 90,550 with revenue on file, as of Jul 17, 2026.
There are 90,636 Industrial & mechanical in District of Columbia in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
380 of the 90,636 companies in Industrial & mechanical in District of Columbia employ more than 500 people, and 73 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
Most are small and mid-sized businesses: the size and revenue tables above show the full spread, from under $10M up to $1B+, across the 90,550 companies with revenue on file.
Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.
Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.