Top Interior testing laboratories and services contractors
In the 12 months ending Oct 5, 2026, the Department of the Interior obligated $11.8M in net prime contract dollars under NAICS 541380, down 24.4% from $15.6M in the preceding 12 months. 147 prime contractors received positive obligations, and 32 of them accounted for 80% of that spend.
Prime contracts funded by the Department of the Interior. 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 Interior contractors for NAICS 541380
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 | University of California, Davis | $2.7M | $4.7M | 22.3% | — |
| 2 | SGS Canada Inc. | $1.2M | $2.4M | 9.4% | — |
| 3 | RTI Laboratories Inc | $986K | $496K | 8.1% | ▲ 2 |
| 4 | Nevada System of Higher Education | $863K | $1.0M | 7.1% | — |
| 5 | Research Triangle Institute | $420K | $446K | 3.4% | ▲ 1 |
| 6 | SGS Axys Analytical Services Ltd. | $386K | $1.3M | 3.2% | ▼ 3 |
| 7 | Cyano Holdings, Inc. | $366K | $218K | 3.0% | ▲ 3 |
| 8 | SGS North America Inc. | $260K | $14K | 2.1% | ▲ 84 |
| 9 | WSP USA Environment & Infrastructure Inc. | $253K | $252K | 2.1% | ▼ 1 |
| 10 | Matrix Sciences International Inc | $233K | $264K | 1.9% | ▼ 3 |
| 11 | GD Resources, LLC | $163K | $163K | 1.3% | ▲ 1 |
| 12 | Pace Analytical Services, LLC | $155K | $79K | 1.3% | ▲ 14 |
| 13 | University of Illinois | $147K | $0 | 1.2% | New |
| 14 | MDK, LLC | $140K | $201K | 1.1% | ▼ 3 |
| 15 | Washington State University | $132K | $96K | 1.1% | ▲ 4 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- RTI Laboratories Inc$496K → $986K (+$490K) · now #3
- SGS North America Inc.$14K → $260K (+$246K) · now #8
- Cyano Holdings, Inc.$218K → $366K (+$148K) · now #7
Largest declines
- University of California, Davis$4.7M → $2.7M (−$2.0M) · now #1
- SGS Canada Inc.$2.4M → $1.2M (−$1.2M) · now #2
- SGS Axys Analytical Services Ltd.$1.3M → $386K (−$909K) · now #6
New to this market
28 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| University of Illinois | Sep 22, 2026 | $147K |
| Corespec Alliance, LLC | Jun 10, 2026 | $79K |
| Zirchron LLC | Jul 29, 2026 | $76K |
| University of California, Santa Barbara | Jan 30, 2026 | $62K |
| Envirosearch Corp | Sep 25, 2026 | $53K |
| Aquatic Biology Associates, Inc. | Feb 5, 2026 | $53K |
| TY Perin | Sep 1, 2026 | $50K |
| Aantilia LLC | Aug 14, 2026 | $47K |
Where the money comes from
Funding sub-agencies within the Department of the Interior, 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 |
|---|---|---|---|
| National Park Service | $5.0M | $7.0M | Down $2.0M (28.5%) |
| U.S. Geological Survey | $4.4M | $6.5M | Down $2.2M (33.0%) |
| U.S. Fish and Wildlife Service | $1.1M | $539K | Up $593K (110.0%) |
| Bureau of Reclamation | $760K | $1.1M | Down $313K (29.2%) |
| Bureau of Land Management | $218K | $323K | Down $105K (32.6%) |
| Departmental Offices | $185K | $0 | New |
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 |
|---|---|---|---|
| 140P2126F0038 | University of California, Davis NR-ARD-281 IMPROVE NETWORK OPERATIONS | $2.7M | Jul 28, 2027 |
Common questions
Who are the top Interior contractors for NAICS 541380?
In the latest 12 months, University of California, Davis ($2.7M), SGS Canada Inc. ($1.2M), RTI Laboratories Inc ($986K) received the most Interior obligations for testing laboratories and services.
How concentrated is this market?
The eight largest primes held 58.6% of positive obligations, and University of California, Davis alone held 22.3%. 28 contractors won their first obligations in this market during the latest 12 months.
Are any large Interior NAICS 541380 contracts ending soon?
1 of the largest awards in this market reach their current end date in the next 18 months. The first is 140P2126F0038 (University of California, Davis, $2.7M obligated), ending Jul 28, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 541380 across all agencies
DoD · NAICS 541380
$207.2MHHS · NAICS 541380
$78.0MVA · NAICS 541380
$71.9MDOT · NAICS 541380
$58.2MUSDA · NAICS 541380
$42.7MEPA · NAICS 541380
$29.3MNASA · NAICS 541380
$28.5MDHS · NAICS 541380
$9.4MFigures 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.
Ready to connect your pursuit work?
GovEagle gives BD directors, capture managers, and proposal teams one AI workspace from pipeline through proposal, with CMMC/FedRAMP Certified compliance built in.