Top DHS all other miscellaneous ambulatory health care services contractors
In the 12 months ending Oct 5, 2026, the Department of Homeland Security obligated $202.9M in net prime contract dollars under NAICS 621999, up 38.2% from $146.9M in the preceding 12 months. 14 prime contractors received positive obligations, and 4 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Homeland Security. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DHS contractors for NAICS 621999
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Amergis Healthcare Staffing, Inc. | $59.8M | $34.4M | 28.7% | ▲ 2 |
| 2 | The Arora Group, Inc. | $52.6M | $35.5M | 25.2% | — |
| 3 | Ingenesis Inc | $40.4M | $22.6M | 19.4% | ▲ 1 |
| 4 | Acuity-CHS, LLC | $25.2M | $36.2M | 12.1% | ▼ 3 |
| 5 | Kadiak LLC | $14.0M | $8.5M | 6.7% | — |
| 6 | North East South West Healthcare Solutions, LLC | $8.3M | $7.0M | 4.0% | — |
| 7 | Katmai Commodities, LLC | $4.3M | −$316K | 2.1% | New |
| 8 | Koniag Operations Services LLC | $1.8M | $0 | 0.9% | New |
| 9 | A to Z Management Consulting, LLC | $1.5M | $1.5M | 0.7% | ▼ 2 |
| 10 | Pembrooke Occupational Health, Inc. | $264K | $162K | 0.1% | ▼ 1 |
| 11 | Quest Diagnostics Clinical Laboratories, Inc. | $112K | $58K | 0.1% | ▼ 1 |
| 12 | Prime Diagnostics LLC | $32K | $0 | 0.0% | New |
| 13 | Forensic Drug & Alcohol Testing LLC | $17K | −$23K | 0.0% | New |
| 14 | Veritas Global LLC | $12K | $11K | 0.0% | ▼ 3 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Amergis Healthcare Staffing, Inc.$34.4M → $59.8M (+$25.4M) · now #1
- Ingenesis Inc$22.6M → $40.4M (+$17.7M) · now #3
- The Arora Group, Inc.$35.5M → $52.6M (+$17.1M) · now #2
Largest declines
- Acuity-CHS, LLC$36.2M → $25.2M (−$10.9M) · now #4
- STG International, Inc.$0 → −$4.9M (−$4.9M) · no latest-period obligations
- Human Resources Research Organization (Humrro)$1.2M → $0 (−$1.2M) · no latest-period obligations
New to this market
2 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Koniag Operations Services LLC | May 29, 2026 | $1.8M |
| Prime Diagnostics LLC | Aug 28, 2026 | $32K |
Where the money comes from
Funding sub-agencies within the Department of Homeland Security, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| U.S. Immigration and Customs Enforcement | $159.5M | $99.3M | Up $60.2M (60.6%) |
| U.S. Customs and Border Protection | $26.7M | $37.7M | Down $10.9M (29.0%) |
| Federal Law Enforcement Training Center | $14.0M | $6.4M | Up $7.6M (119.9%) |
| Federal Emergency Management Agency | $1.8M | $2.1M | Down $261K (12.5%) |
| U.S. Coast Guard | $1.1M | $0 | New |
| U.S. Secret Service | $424K | $1.4M | Down $1.0M (70.4%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 70CDCR24FR0000063 | North East South West Healthcare Solutions, LLC MEDICAL STAFFING SERVICES FOR THE ICE HEALTH SERVICE CORPS (IHSC) | $18.6M | Oct 31, 2026 |
| 70CMSW26C00000005 | Katmai Commodities, LLC THE PURPOSE OF THIS AWARD IS TO PROVIDE NATIONWIDE OCCUPATIONAL HEALTH SERVICES | $4.3M | Mar 31, 2027 |
| 70B06C26F00000306 | Acuity-CHS, LLC PREEMPLOYMENT MEDICAL SERVICES TESTING | $15.0M | Apr 23, 2027 |
| 70Z02326FCGRC0003 | The Arora Group, Inc. TO PROVIDE MEDICAL WAIVER ADJUDICATION SUPPORT SERVICES FOR CGASC DURING THE PERIOD OF PERFORMANCE 27 APRIL 2026 - 26 APRIL 2031. | $1.1M | Apr 26, 2027 |
| 70FA2026C00000008 | Koniag Operations Services LLC MEDICAL SUPPORT SERVICES FOR THE CENTER FOR DOMESTIC PREPAREDNESS | $1.8M | Apr 30, 2027 |
| 70B06C26F00000323 | Acuity-CHS, LLC MEDICAL TESTING SERVICES. | $11.0M | May 29, 2027 |
| 70CDCR24FR0000035 | The Arora Group, Inc. MEDICAL STAFFING SERVICES | $90.7M | Jul 31, 2027 |
| 70CDCR24FR0000061 | Amergis Healthcare Staffing, Inc. MEDICAL STAFFING SERVICES FOR THE ICE HEALTH SERVICE CORPS (IHSC) | $97.4M | Sep 22, 2027 |
| 70B06C25P00000600 | A to Z Management Consulting, LLC SITE COORDINATORS FOR THE DRUG-FREE WORKPLACE PROGRAM | $3.0M | Sep 29, 2027 |
| 70LGLY26CGLB00004 | Kadiak LLC BRIDGE ENTERPRISE HEALTH SERVICES | $6.7M | Sep 30, 2027 |
Common questions
Who are the top DHS contractors for NAICS 621999?
In the latest 12 months, Amergis Healthcare Staffing, Inc. ($59.8M), The Arora Group, Inc. ($52.6M), Ingenesis Inc ($40.4M) received the most DHS obligations for all other miscellaneous ambulatory health care services.
How concentrated is this market?
The eight largest primes held 99.1% of positive obligations, and Amergis Healthcare Staffing, Inc. alone held 28.7%. 2 contractors won their first obligations in this market during the latest 12 months.
Are any large DHS NAICS 621999 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 70CDCR24FR0000063 (North East South West Healthcare Solutions, LLC, $18.6M obligated), ending Oct 31, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 621999 across all agencies
DoD · NAICS 621999
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$6.5MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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