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.
OPTUMSERVE HEALTH SERVICES, INC.
VACCINE SUPPORT SERVICES IDIQ
DENTRUST DENTAL INTERNATIONAL, INC.
MEDICAL- OTHER
AGILITI HEALTH INC
SURGICAL LASER AND TECHNICIAN SERVICES
COGNOSANTE MVH LLC
REMOTE PATIENT MONITORING FOR VETERAN HOME TELEHEALTH
ALLTECH VENTURES LLC
POLYSOMNOGRAPHY SLEEP STUDIES MANAGEMENT SUPPORT SERVICES
AKICITA CYBER LLC
REGISTERED NURSE SERVICES
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.
WALGREEN CO.
VACCINE SUPPORT SERVICES IDIQ
DT-TRAK CONSULTING, INC.
REGISTERED NURSE SERVICES FOR THE OKLAHOMA AREA
QUEST DIAGNOSTICS CLINICAL LABORATORIES, INC.
THE PURPOSE OF THIS INDEFINITE DELIVERY INDEFINITE QUANTITY CONTRACT IS TO CONDUCT LABORATORY ANALYSIS OF URINE, ORAL, AND BREATH SPECIMENS IN ORDER TO DETECT THE PRESENCE OF MARIJUANA (THC), COCAINE, OPIOIDS, AMPHETAMINES AND PHENCYCLIDINE (PCP), AN
NATIVE AMERICAN DEVELOPMENT CORP
BILLINGS URBAN INDIAN NEW CONTRACT: $1,436,628.00 DOS 3/01/2023-2/28/2024 COST RE-IMBURSEMENT, NON-PERSONAL HEALTHCARE SERVICE, ID/IQ CONTRACT, COMMERCIAL ITEM, TO FUND THE URBAN INDIAN ORGANIZATION (UIO) FOR THE PROVISION OF HEALTH CARE AND REFER
AGILITI HEALTH INC
CONTRACTOR TO PROVIDE MOBILE LITHOTRIPSY SERVICES
MEDICAL RESPONSE PARTNERS, LLC
VACCINE SUPPORT SERVICES IDIQ
AGILITI HEALTH INC
CONTRACTOR TO PROVIDE MOBILE LITHOTRIPSY
LINE SCIENCE LLC
TVHS PICC LINE NURSES FP IDIQ
MISCELLANEOUS FOREIGN AWARDEES
BPA - MEDICAL SERV PRE-EMPLOYM & DRIVER CERTIF
SPECIALTYCARE IOM SERVICES, LLC
NEUROMONITORING SERVICES
CORRECTIONAL DIALYSIS SERVICES LLC
RENDEVOR: DIALYSIS AND NEPHROLOGY SERVICES DOS: OCTOBER 1, 2025 THRU DECEMBER 30, 2025 (PENDING AWARD) FUNDS WILL BE OBLIGATED THROUGH A MOD UPON THE OFFICIAL ANNOUNCEMENT OF THE CR DATE AND/OR WHEN THE BUDGET IS PASSED.
SEDGWICK GOVERNMENT SOLUTIONS, LLC.
NURSE AND VOCATIONAL REHABILITATION CASE MANAGEMENT SERVICES (NVRS)
NATIONWIDE HEALTHCARE SOLUTIONS, LLC
CLINICAL NATIONAL CAPITAL REGION (NCR) SUPPORT SERVICES
ACUITY-CHS, LLC
MEDICAL SERVICES IDIQ CONTRACT FOR CBP.
CDR HEALTH CARE INC
VACCINE SUPPORT SERVICES IDIQ
DISTINCTIVE SPECTRUM HEALTHCARE SOLUTIONS JV LLC
MEDICAL APPOINTMENT CLERKS
SHARESTAFF LLC
OKLAHOMA AREA RN SERVICES
FORTEC MEDICAL INC
SIX MONTH EXTENSION ULTRASOUND EQUIPMENT AND TECHNICIAN TO PROVIDE LAPAROSCOPIC PROCEDURES WITH DAVINCI SI ROBOT.