NAICS 621999 — ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES
Federal contract awards classified under NAICS code 621999 (ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES) cover 228 unique federal contracts (255 total action records) from USASpending.gov. The top contractors, awarding agencies, and geographic concentration below are aggregated from the highest-value awards in this market — the right view for sizing competition and identifying incumbents.
Top Contractors in NAICS 621999
Largest recipients of federal contract dollars in this NAICS code (ranked by total obligated value). These are the incumbent competitors to know if you sell into this market.
| Contractor | Awards | Total Obligated |
|---|---|---|
| STG INTERNATIONAL, INC. | 2 | $659.9M |
| SERVEFED INC. | 4 | $87.3M |
| THE ARORA GROUP, INC. | 1 | $54.3M |
| CG SERVICES LLC | 1 | $43.9M |
| QTC MEDICAL SERVICES INC | 1 | $43.0M |
| INGENESIS INC | 1 | $37.6M |
| KADIAK LLC | 1 | $28.3M |
| LONGVIEW INTERNATIONAL TECHNOLOGY SOLUTIONS, INC. | 1 | $27.4M |
| CHENEGA HEALTHCARE SERVICES LLC | 1 | $19.9M |
| DESTINY MANAGEMENT SERVICES, LLC | 6 | $19.0M |
Top Awarding Agencies
Federal agencies that obligate the most spending in NAICS 621999. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.
| Agency | Awards | Total Obligated |
|---|---|---|
| Department of Homeland Security | 16 | $792.5M |
| Department of Health and Human Services | 37 | $236.7M |
| Department of Defense | 55 | $88.8M |
| General Services Administration | 1 | $43.9M |
| Department of Veterans Affairs | 59 | $39.6M |
| Department of Energy | 6 | $22.3M |
| Department of Transportation | 3 | $13.6M |
| National Aeronautics and Space Administration | 3 | $13.1M |
| Department of Justice | 23 | $5.2M |
| Department of the Interior | 7 | $1.8M |
Geographic Concentration
States where NAICS 621999 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.
| State | Awards | Total Obligated |
|---|---|---|
| VA | 22 | $715.4M |
| MD | 9 | $159.6M |
| TX | 14 | $59.6M |
| LA | 2 | $54.3M |
| PA | 6 | $45.3M |
| FL | 9 | $33.2M |
| CO | 10 | $30.5M |
| GA | 2 | $29.0M |
| NM | 5 | $22.2M |
| DC | 11 | $16.4M |
Most Recent Awards
DT-TRAK CONSULTING, INC.
PURCHASE ORDER FOR LABORATORY TECHNOLOGIST SERVICES
DT-TRAK CONSULTING, INC.
PURCHASE ORDER FOR LABORATORY TECHNOLOGIST SERVICES
QTC MEDICAL SERVICES INC
TAS::75 4552 001::TAS PRIVATE PROVIDER NETWORK OF MEDICAL SERVICES
HEALTHTRONICS STONE SOLUTIONS, LLC
EXTRACORPOREAL SHOCKWAVE LITHOTRIPSY (ESWL) TREATMENT LEASE SERVICE
PEMBROOKE OCCUPATIONAL HEALTH, INC.
MISSION CRITICAL - EXECUTING COURT ORDERS AND ARREST WARRANTS FY26 HRD DRUG AND ALCOHOL LAB COLLECTION (DOI TO)
All Unique Contracts in NAICS 621999
Showing 228 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.
PRAIRIE BAND HEALTH SERVICES INC
FIRM FIXED-PRICE, NON-PERSONAL HEALTHCARE SERVICE, COMMERCIAL ITEM, SINGLE AWARD, CONTRACT TO PROVIDE MEDICAL LABORATORY TECHNOLOGIST SERVICES FOR THE ROSEBUD IHS HOSPITAL, ROSEBUD, SOUTH DAKOTA. PERIOD OF PERFORMANCE: JANUARY 1, 2026 THROUGH DECEMB
PEMBROOKE OCCUPATIONAL HEALTH, INC.
CONTRACTOR SHALL PROVIDE THE GOODS AND SERVICES IN ACCORDANCE WITH THE STATEMENT OF WORK AND THE TERMS AND CONDITIONS OF THE DEPARTMENT OF INTERIOR'S INDEFINITE DELIVERY/INDEFINITE QUANTITY (ID/IQ) CONTRACT NUMBER 140D0423D0045
REGENTS OF THE UNIVERSITY OF MICHIGAN
OPTION YEAR 4 FOR PARTIAL OR FULL AUTOPSY WITH BRAIN, FULL AUTOPSY WITH DEMENTIA WORKUP FOR ANN ARBOR VA MEDICAL CENTER. THE PERIOD OF PERFORMANCE IS 10/01/2024 THROUGH 09/30/2025. TO ADD FUNDING