31,337 companies in Communication in Maryland.
Explore 31,337 Communication in Maryland 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.
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | Sinclair Inc | Hunt Valley | 7,100 | $3.2B |
| 2 | TLC Co | Silver Spring | 3,500 | $1.8B |
| 3 | Porter | Baltimore | 3,000 | $630M |
| 4 | American Forces Network | — | 3,003 | $588M |
| 5 | Hughes Network Systems LLC | Germantown | 5,000 | $499M |
| 6 | Gasser Madness | Waldorf | 2,115 | $426M |
| 7 | The Knot Worldwide Inc | Chevy Chase | 2,000 | $410M |
| 8 | Urban One Inc | Silver Spring | 962 | $394M |
| 9 | WeddingWire | Chevy Chase | 950 | $351M |
| 10 | CSS Industries Inc | Atlanta | 1,541 | $325M |
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 30,871 | 98.5% |
| 51-200 | 393 | 1.3% |
| 201-1000 | 60 | 0.2% |
| 1001-5000 | 10 | 0.0% |
| 5001+ | 2 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 30,994 | 98.9% |
| $10M-$50M | 280 | 0.9% |
| $50M-$250M | 43 | 0.1% |
| $250M-$1B | 8 | 0.0% |
| $1B+ | 2 | 0.0% |
Share is of companies with a known value — 31,336 with headcount and 31,327 with revenue on file, as of Jul 17, 2026.
There are 31,337 Communication in Maryland in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
23 of the 31,337 companies in Communication in Maryland employ more than 500 people, and 2 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 31,327 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.