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.
SPECIALTYCARE CARDIOVASCULAR RESOURCES, LLC
SHORT-TERM PERFUSIONIST SERVICES
DESTINY MANAGEMENT SERVICES, LLC
ADVANCE OFFICE CLERK AND MEDICAL APPOINTMENT CLERKS
ANTHONY & ASSOCIATES, INC.
MEDICAL APPOINTMENT CLERK
PEMBROOKE OCCUPATIONAL HEALTH, INC.
THE PURPOSE OF THIS DELIVER/TASK ORDER IS TO ESTABLISH A COLLECTION ORDER FOR SPECIMEN COLLECTION AND MEDICAL REVIEW OFFICER (MRO) SERVICES AT FIXED UNIT PRICES UNDER THE DOI COLLECTION IDIQ.
AMERICAN INDIAN HEALTH & SERVICES CORPORATION
THIS IS A FIRM FIXED PRICED COMMERCIAL FAR CONTRACT FOR THE HAWAII COMMERCIAL HEALTH TRAINING CT. THIS CONTRACT HAS A BASE YEAR OF PERIOD OF PERFORMANCE WITH FOUR OPTION YEARS TO BE EXERCISED IAW FAR52.217-9 OPTION TO EXTEND SERVICES. SEE ATTACHMENT
HEALTH PARTNER'S MANAGEMENT GROUP, INCORPORATED
ADVANCED OFFICE CLERK SERVICES
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, SD POP 01/01/2026 - 08/08/2026
DILLIGAS CORP
PEBLOS AT LUKE AFB.
DILLIGAS CORP
MEDICAL APPOINTMENT CLERK AND PEBLO SERVISES
HEALTH PARTNER'S MANAGEMENT GROUP, INCORPORATED
BIOMEDICAL EQUIPMENT TECHNICIAN (1 FTE), MEDICAL EQUIPMENT TECHNICIAN (1 FTE) AND BENEFICIARY SERVICES REP (PEBLO) (1 FTE).
ARAPAHO TECHNICAL SERVICES LLC
MEDICAL OFFICE CLERK, MEDICAL RECORDS TECHNICIAN
ADVANCED MEDICAL RESOURCES, LLC
INTRAOPERATIVE NERVE MONITORING FOR PERIOD OF PERFORMANCE 04-01-2025 THROUGH 06-30-2025
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC.
MEDICAL APPOINTMENT CLERKS
ARAPAHO TECHNICAL SERVICES LLC
REFERRAL CLERKS AND GENERAL OFFICE CLERKS
ANTHONY & ASSOCIATES, INC.
MEDICAL APPOINTMENT CLERKS FOR CANNON AIR FORCE BASE
CABAN RESOURCES LLC
BENEFICIARY SERVICES REPRESENTATIVE
DESTINY MANAGEMENT SERVICES, LLC
REFERRAL CLERKS @ NAVAL HEALTH CLINIC CHARLESTON, SC
KONIAG PROFESSIONAL SERVICES, LLC
MEDICAL EXAMINATION AND CLEARANCE SERVICES FOR MINE SAFETY AND HEALTH ADMINISTRATION (MSHA)
PEMBROOKE OCCUPATIONAL HEALTH, INC.
DRUG TESTING SERVICES
OZARK MEDICAL INC
IONM SERVICES BASE IDC AWARD
LINE SCIENCE LLC
TASK ORDER PICC LINE SERVICES
HEALTH PARTNER'S MANAGEMENT GROUP, INCORPORATED
MEDICAL SUPPORT SERVICES TYPE II. ON SITE PATIENT APPOINTMENT SERVICES
MODERN HEALTHCARE SERVICES JV LLC
(1) FTE BIOENVIRONMENTAL TECHNICIAN
DT-TRAK CONSULTING, INC.
REGISTERED NURSE SERVICES FOR THE CLINTON INDIAN HEALTH CENTER
NAPHCARE INC
FY25 B2 NAPHCARE OUTSIDE MEDICAL FEBRUARY 2025