Federal contractor profile
WALKER ENVIRONMENTAL RESEARCH LLC
UEI C1KJMCENUNB7CAGE 75BA4Company website ↗
Active
Overview
- Legal name
- WALKER ENVIRONMENTAL RESEARCH LLC
- Registered location
- BRUNSWICK, ME, USA
- Website
- Company website ↗
- Primary NAICS
- 541620 — Environmental Consulting Services
- Latest award activity
- Aug 23, 2026
Read company summary
WALKER ENVIRONMENTAL RESEARCH LLC is associated with UEI C1KJMCENUNB7 and CAGE 75BA4 in public federal records. AcornBids currently links 7 prime awards totaling $1.1M in obligations to this entity. Its largest recorded federal customer by obligations is Department of the Interior. Its recorded federal awards include work classified as Custom Computer Programming Services; Environmental Consulting Services; All Other Legal Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541620 (Environmental Consulting Services). Its public SAM.gov registration lists BRUNSWICK, ME, USA.
At a glance
Lifetime prime obligations$1.1M
Prime awards7
Awards with future end dates5
Top-agency concentration60.9%
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 7, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- WALKER ENVIRONMENTAL RESEARCH LLC
- UEI
- C1KJMCENUNB7
- CAGE
- 75BA4
- Registered address
- 57 CRESTVIEW LN, BRUNSWICK, ME, 04011, USA
- Registration status
- Active
- Primary NAICS
- 541620 — Environmental Consulting Services
- SAM activation
- Jan 29, 2026
- Initial registration
- Feb 9, 2017
- Entity start
- Apr 8, 2016
- SAM updated
- Jan 29, 2026
- Registration expires
- Jan 22, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- ME, USA
Research brief
Source facts
- Loaded prime-award records link 7 awards and $1,103,100 in reported obligations to this legal entity. Source
- Recorded awards include Custom Computer Programming Services (NAICS 541511); this classification is not proof of every company capability. Source
- An example award describes: FLORIDA BAY DASHBOARD Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$751.7K
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 7 of 7 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $186.0K |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $129.7K |
| Change | $56.3K |
| Growth | +43.4% |
Where the work is performed
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State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| Department of the Interior | $672.0K | 4 |
| Environmental Protection Agency | $70.0K | 1 |
| Department of Justice | $9.7K | 2 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| OFC OF ACQUSITION GRANTS-NATIONAL | $475.7K | 2 |
| OFFICE OF ACQUISITON GRANTS | $130.0K | 1 |
| ORD SIMPLIFIED ACQ BRANCH (SAB) | $70.0K | 1 |
| SER SOUTH MABO (54000) | $66.3K | 1 |
| ENVIRONMENT NATURAL RESOURCES DIV | $9.7K | 2 |
Naics
| Category | Period obligations | Awards |
|---|---|---|
| 541511 — Custom Computer Programming Services | $605.7K | 3 |
| 541620 — Environmental Consulting Services | $136.3K | 2 |
| 541199 — All Other Legal Services | $9.7K | 2 |
Psc
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $751.7K | 7 |
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| NO SET ASIDE USED. | $685.4K | 6 |
| SMALL BUSINESS SET ASIDE - TOTAL | $66.3K | 1 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 140P5424P0045FLORIDA BAY DASHBOARD | Department of the Interior | $66.3K | Aug 13, 2024 | Aug 12, 2027 |
| 140G0324P0373ECOSHEDS CUSTOMIZATION FOR FISH-CAST MODELING AND DATA VISUALIZATION | Department of the Interior | $130.0K | Sep 9, 2024 | Sep 8, 2027 |
| 140G0122P0023CUSTOMIZATION OF THE RESTORE DATA VISUALIZATION TOOL TO INCORPORATE ADDITIONAL DATASETS | Department of the Interior | $60.0K | Dec 21, 2021 | Dec 20, 2026 |
| 140G0122P0110CUSTOMIZATION OF THE SPATIAL HYDRO-ECOLOGICAL DECISION SUPPORT (SHEDS) SYSTEM (HTTPS://ECOSHEDS.ORG/). | Department of the Interior | $415.7K | Mar 31, 2022 | Apr 3, 2027 |
| 15JENR25P00000288EXPERT WITNESS | Department of Justice | $152.2K | Aug 5, 2025 | Feb 1, 2030 |
| 15JENR20P00000342EXPERT WITNESS | Department of Justice | $33.9K | Sep 8, 2020 | Sep 7, 2023 |
| 68HE0B24P0246PROFESSIONAL SERVICES CONTRACT WITH DR. JEFF WALKER OF ENVIRONMENTAL RESEARCH LLC - STREAMFLOW MONITORING WITH MACHINE LEARNING ROAR PROJECT #2554 AND EXTENSIONS TO OTHER… | Environmental Protection Agency | $245.0K | Jan 26, 2024 | Feb 4, 2026 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jan 29, 2026 |
| Source loaded | Sep 27, 2026 |
| Initial registration | Feb 9, 2017 |
| Entity start | Apr 8, 2016 |
| Industry | Reported size status |
|---|---|
| 541620 — Environmental Consulting Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| JEFFREY WALKER | Government business | Contact method not published | SAM registration | Not available |
| JEFFREY WALKER | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 541620 — Environmental Consulting Services
Registered products and services
- AH11 — NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH
- AH12 — NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH
- B533 — Water Quality Studies
- F020 — Fisheries Resources Management Services
- F103 — Water Quality Support Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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