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6,668 companies in Communication in District of Columbia.
Explore 6,668 Communication 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 Communication in California, Communication in New York, Communication in Florida.
Largest Communication in District of Columbia companies by revenue
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | Icomera AB | Goeteborg | 74,000 | $27.3B |
| 2 | CoStar Group | Washington | 6,152 | $2.6B |
| 3 | CoStar Group | Washington | 4,900 | $1.9B |
| 4 | The Chronicle of Philanthropy | Washington | 8,090 | $1.6B |
| 5 | Cogent Communications Holdings Inc | Washington | 1,833 | $897M |
| 6 | The Washington Post | Washington | 2,146 | $546M |
| 7 | Vox Media LLC | Washington | 1,900 | $515M |
| 8 | Goso LLC | Washington | 1,365 | $458M |
| 9 | European Broadcasting Union | Washington | 415 | $421M |
| 10 | Great Minds LLC | Washington | 1,200 | $254M |
Communication in District of Columbia companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 6,383 | 95.7% |
| 51-200 | 225 | 3.4% |
| 201-1000 | 45 | 0.7% |
| 1001-5000 | 11 | 0.2% |
| 5001+ | 4 | 0.1% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 6,429 | 96.5% |
| $10M-$50M | 193 | 2.9% |
| $50M-$250M | 29 | 0.4% |
| $250M-$1B | 7 | 0.1% |
| $1B+ | 5 | 0.1% |
Share is of companies with a known value — 6,668 with headcount and 6,663 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many Communication in District of Columbia are there?
There are 6,668 Communication in District of Columbia in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
How many large companies are in Communication in District of Columbia?
26 of the 6,668 companies in Communication in District of Columbia employ more than 500 people, and 5 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Communication in District of Columbia companies?
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 6,663 companies with revenue on file.
What information is included for each company?
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.
Where does this directory come from?
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.