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.
NAPHCARE INC
FY25 B2 NAPHCARE OUTSIDE MEDICAL JANUARY 2025
NAPHCARE INC
FY26 B2 NAPHCARE OUTSIDE MEDICAL SVCS JAN 26
UNIVERSITY OF NEW MEXICO
GRCA EMS MEDICAL DIRECTION
VERGENCE LLC
PHYSICIAN ASSISTANT SUPPORT SERVICES 1 BASE YEAR AND 3 OPTION YEARS.
DAWSON CMS, LLC
THESE SERVICES ARE REQUIRED TO PROVIDE A WIDE RANGE OF BEHAVIORAL HEALTH, MEDICAL, AND DENTAL NON-CLINICAL CASE MANAGEMENT AND ADMINISTRATION SERVICES, INCLUDING WITH BEHAVIORAL HEALTH, MEDICAL OR DENTAL NEEDS REQUIRING FOLLOW UP APPOINTMENTS.
SHADOWBOX CONSULTING ASSOCIATES LLC
BENEFICIARY SERVICES REPRESENTATIVE
FORTEC MEDICAL INC
TASK ORDER FOR FISCAL YEAR 2026. LOW & HIGH-WATT HOLMIUM LASER EQUIPMENT AND SERVICES, C02 LASER EQUIPMENT AND SERVICES, AND LITHOTRIPSY (ESWL) EQUIPMENT AND SERVICES FOR THE BUFFALO VA MEDICAL CENTER- TO INCLUDE RELATED SUPPLIES.
FOUR WINDS STAFFING LLC
RN SERVICES FOR THE OKLAHOMA AREA
CABAN RESOURCES LLC
MEDICAL APPOINTMENT CLERK AND BENEFICIARY SERVICES REPRESENTATIVE (PEBLO)
PRECISION MONITORING LLC
VISN 12 CARDIAC MONITORING SERVICES
FOUR WINDS STAFFING LLC
REGISTERED NURSE SERVICES NEEDED FOR THE LAWTON INDIAN HOSPITAL MEDICAL/SURGICAL DEPARTMENT TO COVER STAFFING SHORTAGE SO THAT WE MAY CONTINUE TO PROVIDE SAFE AND QUALITY CARE TO INPATIENTS.
PRECISION MONITORING LLC
VISN 12 CARDIAC MONITORING SERVICES
CORRECTIONAL DIALYSIS SERVICES LLC
DIALYSIS AND NEPHROLOGY SERVICES MONTH TO MONTH DOS: AUGUST 1, 2025 THRU SEPTEMBER 30, 2025
PRECISION MONITORING LLC
IRON MOUNTAIN TASK ORDER CARDIAC MONITORING ORDERING PERIOD THREE
INTRANERVE, LLC
IONM TECH & PRO SERVICES - CLEVELAND VAMC
HOME CARE EQUIPMENT, INC.
HOME SLEEP APNEA TESTING
JOHNSON ASSOCIATES SYSTEMS, INC
PROSTHETIC FITTER SVCS HUNTINGTON WV VAMC
PRECISION MONITORING LLC
CARDIAC MONITORING FHCC TASK ORDER
SPECIALTYCARE IOM SERVICES, LLC
NEUROMONITORING SERVICES OY2
SEDONA DIAGNOSTIC ULTRASOUND LLC
RADIOLOGY MOBILE BREAST ULTRASOUND SERVICES
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC.
2 FTE MEDICAL LOGISTICS SUPPLY TECHNICIANS
MITCHELL CONSULTING SERVICES GROUP INC
NP SERVICES FOR CLINTON
BOSTON SCIENTIFIC CORP
CRYOABLATION EQUIPMENT RENTALS, CONSUMABLES, AND TECHNICIAN SERVICES
PRECISION MONITORING LLC
VISN 12 CARDIAC MONITORING SERVICES
CARDINAL MEDICAL SOLUTIONS INC.
E289, LOWER SUGARLOAF, WAOWF000797, MESU, MEDICAL SUPPORT UNIT; E289, LABOR MOUNTAIN, WAOWF000795, MESU, MEDICAL SUPPORT UNIT;