Top Interior other scientific and technical consulting services contractors
In the 12 months ending Oct 5, 2026, the Department of the Interior obligated $18.1M in net prime contract dollars under NAICS 541690, up 8.5% from $16.7M in the preceding 12 months. 90 prime contractors received positive obligations, and 16 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 541690
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 | Ecodata Analytics LLC | $9.3M | $0 | 39.0% | New |
| 2 | DDC 4c, LLC | $1.3M | $0 | 5.6% | New |
| 3 | North Pacific Wildlife Consulting, LLC | $1.1M | $733K | 4.7% | ▲ 5 |
| 4 | Coastal Frontiers Corporation | $979K | $852K | 4.1% | — |
| 5 | Corey Reynolds LLC | $787K | $412K | 3.3% | ▲ 10 |
| 6 | Fishbio | $742K | $727K | 3.1% | ▲ 3 |
| 7 | S.P. Cramer & Associates, Inc. | $710K | $739K | 3.0% | — |
| 8 | Alaska Biomap, Inc | $685K | $258K | 2.9% | ▲ 13 |
| 9 | Siskiyou Biosurvey LLC | $583K | $0 | 2.5% | New |
| 10 | Geosystems Analysis, Inc | $515K | $233K | 2.2% | ▲ 13 |
| 11 | SP Cramer & Associates Inc | $485K | $763K | 2.0% | ▼ 6 |
| 12 | Flowwest, LLC | $438K | $570K | 1.8% | — |
| 13 | Molloy & Associates, LLC | $409K | $0 | 1.7% | New |
| 14 | Watercourse Engineering, Inc. | $400K | $876K | 1.7% | ▼ 11 |
| 15 | Atdepth MRV Inc. | $359K | $0 | 1.5% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Ecodata Analytics LLC$0 → $9.3M (+$9.3M) · now #1
- DDC 4c, LLC$0 → $1.3M (+$1.3M) · now #2
- Siskiyou Biosurvey LLC$0 → $583K (+$583K) · now #9
Largest declines
- Managed Business Solutions LLC$2.6M → −$3.7M (−$6.3M) · no latest-period obligations
- Akima Systems Engineering LLC$691K → −$1.6M (−$2.3M) · no latest-period obligations
- Stantec Consulting Services Inc.$1.3M → $0 (−$1.3M) · no latest-period obligations
New to this market
34 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Ecodata Analytics LLC | Feb 24, 2026 | $9.3M |
| DDC 4c, LLC | Sep 24, 2026 | $1.3M |
| Siskiyou Biosurvey LLC | Mar 27, 2026 | $583K |
| Atdepth MRV Inc. | Aug 11, 2026 | $359K |
| Heartland Energy Partners LLC | Sep 15, 2026 | $112K |
| Colorado State University | Mar 31, 2026 | $90K |
| Danielle Sirivat | Jun 26, 2026 | $75K |
| Lindsey Dorn | Jul 1, 2026 | $73K |
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 |
|---|---|---|---|
| Bureau of Indian Affairs and Bureau of Indian Education | $6.9M | $2.6M | Up $4.3M (167.3%) |
| Bureau of Reclamation | $5.1M | $7.6M | Down $2.5M (32.9%) |
| U.S. Fish and Wildlife Service | $2.2M | $1.8M | Up $379K (21.3%) |
| Bureau of Land Management | $1.1M | $896K | Up $234K (26.1%) |
| Bureau of Safety and Environmental Enforcement | $1.1M | $1.4M | Down $346K (24.5%) |
| U.S. Geological Survey | $705K | $1.6M | Down $934K (57.0%) |
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 |
|---|---|---|---|
| 140R2024P0021 | Jacobs Engineering Group Inc. CALSIM CLIMATE ANALYSIS DEVELOPMENT TO FACILITATE CENTRAL VALLEY PROJECT ADAPTION | $1.5M | Feb 28, 2027 |
| 140A1626F0018 | Ecodata Analytics LLC TECHNICAL ASSISTANCE AND ADMINISTRATIVE SUPPORT (TAAS) TASK ORDER #1 FOR OTS DWP | $8.8M | Feb 28, 2027 |
| 140R2024P0073 | Flowwest, LLC THIS CONTRACT IS TO DEVELOP A DECISION MAKING MODEL THAT WILL INCORPORATE SCIENTIFIC DATA FROM VARIOUS SOURCES THAT WILL ASSIST IN DECISION MAKING. | $1.4M | Jun 30, 2027 |
| 140R2023P0071 | Fishbio MONITORING ADULT ANADROMOUS O. MYKISS IN THE LOWER SAN JOAQUIN AND STANISLAUS RIVER | $2.9M | Aug 31, 2027 |
| 140R2025P0058 | S.P. Cramer & Associates, Inc. MONITORING JUVENILE ANADROMOUS O. MYKISS IN THE LOWER SAN JOAQUIN AND STANISLAUS RIVER | $1.4M | Aug 31, 2027 |
| 140F0S23P0027 | Texas A&M Agrilife Research TX-S TX REFUGES COMP-EVAL & MITIGATION | $3.4M | Sep 30, 2027 |
| 140R2025P0074 | SP Cramer & Associates Inc REAL-TIME GENETIC MONITORING FOR THE CENTRAL VALLEY PROJECT | $1.2M | Sep 30, 2027 |
| 140F0422C0015 | North Pacific Wildlife Consulting, LLC WALRUS AND POLAR BEAR RESEARCH AND MANAGEMENT SUPPORT | $3.4M | Sep 30, 2027 |
Common questions
Who are the top Interior contractors for NAICS 541690?
In the latest 12 months, Ecodata Analytics LLC ($9.3M), DDC 4c, LLC ($1.3M), North Pacific Wildlife Consulting, LLC ($1.1M) received the most Interior obligations for other scientific and technical consulting services.
How concentrated is this market?
The eight largest primes held 65.7% of positive obligations, and Ecodata Analytics LLC alone held 39.0%. 34 contractors won their first obligations in this market during the latest 12 months.
Are any large Interior NAICS 541690 contracts ending soon?
8 of the largest awards in this market reach their current end date in the next 18 months. The first is 140R2024P0021 (Jacobs Engineering Group Inc., $1.5M obligated), ending Feb 28, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$24.9MFigures 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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