NAICS 621111: Offices of Physicians (except Mental Health Specialists)
Comprehensive market breakdown, prime contractor market shares, and state geographic distribution.
Federal agencies obligate $9.80B annually under NAICS 621111 (Offices of Physicians (except Mental Health Specialists)) across 2,153 active vendors. Small businesses capture 40.3% of total spend, while NORTHROP GRUMMAN SYSTEMS CORPORATION holds the highest single market share at 14.2%.
Market Share Leaders in NAICS 621111
Top federal vendors capturing the largest percentage of annual obligations.
| Contractor | Annual Spend Capture | Market Share % | Action |
|---|---|---|---|
| NORTHROP GRUMMAN SYSTEMS CORPORATION | $1.39B | 14.2% | View Profile |
| Leidos Holdings, Inc. | $960.4M | 9.8% | View Profile |
| HUNTINGTON INGALLS INC | $725.2M | 7.4% | View Profile |
| SIKORSKY AIRCRAFT CORPORATION | $548.8M | 5.6% | View Profile |
| RTX CORPORATION | $401.8M | 4.1% | View Profile |
Related Industry Leaderboards & Benchmarks
Cross-sector intelligence rankings relevant to vendors operating in NAICS 621111.
The Recompete Retention Moat
Vendors with the highest win rate defending recompete contracts across agencies.
Top Civilian Agency Contractors
Leading federal primes serving civilian departments and agencies.
Top Small Business Innovators
Fastest-growing small business primes winning prime awards under NAICS set-asides.
State Market Share Breakdown
Top performance states for NAICS 621111 contracting.