# Environmental consulting services contractors in Washington

Source page: https://datainside.ai/directory/industries/541620/wa

10 companies won 20 federal contract awards worth $15,025,079 for environmental consulting services (NAICS 541620) in Washington in our record (2026-03-25 to 2026-11-02).

## Companies winning this work
| # | Company | UEI | Awards | Obligated | Latest award |
|---|---|---|---|---|---|
| 1 | [Weston Solutions Inc](https://datainside.ai/companies/weston-solutions-inc-00f4d30ff1a3) | Z4XGALW7L9K6 | 7 | $8,503,777 | 2026-10-20 |
| 2 | [Independent Strategic Management Solutions Inc](https://datainside.ai/companies/independent-strategic-management-solutions-inc-a1d8770c1720) | HNDBN7BS9UE3 | 4 | $2,036,043 | 2026-11-02 |
| 3 | [Research Planning, Inc.](https://datainside.ai/companies/research-planning-inc-297fda95fbca) | CKFZMK7X16M1 | 2 | $1,544,157 | 2026-06-29 |
| 4 | [Toeroek Associates, Inc.](https://datainside.ai/companies/toeroek-associates-inc-248f57d0b0c1) | M73YRKYDXMC7 | 1 | $1,343,458 | 2026-07-01 |
| 5 | [Parymon Corp](https://datainside.ai/companies/parymon-corp-70ae2871e9cb) | L5C9GFPC8LY4 | 1 | $821,857 | 2026-09-08 |
| 6 | [Natures Capital LLC](https://datainside.ai/companies/natures-capital-llc-64523194b222) | SN2KFCFZ6D37 | 1 | $252,195 | 2026-09-08 |
| 7 | [Sealaska Remediation Solutions, LLC](https://datainside.ai/companies/sealaska-remediation-solutions-llc-9a38fa2dc9c5) | KJFPJM86BPS4 | 1 | $213,685 | 2026-03-25 |
| 8 | [Tetra Tech Inc](https://datainside.ai/companies/tetra-tech-inc-fe8e3c0c99b8) | FN3KJ67ZG226 | 1 | $149,150 | 2026-07-02 |
| 9 | [Kane Environmental, Inc.](https://datainside.ai/companies/kane-environmental-inc-5f6b9f3c5417) | CM1FDUV2L721 | 1 | $81,711 | 2026-10-28 |
| 10 | [Washington State University](https://datainside.ai/companies/washington-state-university-df7a4b0180dd) | XRJSGX384TD6 | 1 | $79,045 | 2026-08-20 |

## Agencies buying
- [Environmental Protection Agency](https://datainside.ai/agencies/environmental-protection-agency): $9,847,236, 2 companies
- [Department of Commerce](https://datainside.ai/agencies/department-of-commerce): $2,366,014, 2 companies
- [Department of Energy](https://datainside.ai/agencies/department-of-energy): $2,036,043, 1 company
- [Department of Defense](https://datainside.ai/agencies/department-of-defense): $362,835, 2 companies
- [Department of the Interior](https://datainside.ai/agencies/department-of-the-interior): $252,195, 1 company
- [General Services Administration](https://datainside.ai/agencies/general-services-administration): $81,711, 1 company
- [Department of Transportation](https://datainside.ai/agencies/department-of-transportation): $79,045, 1 company

## Cities where the work is
- Seattle: $12,508,645, 6 companies
- Richland: $2,036,043, 1 company
- Spokane Valley: $252,195, 1 company
- La Conner: $149,150, 1 company
- Pullman: $79,045, 1 company

## Latest awards
| Company | Agency | Obligated | Signed | Record |
|---|---|---|---|---|
| Independent Strategic Management Solutions Inc | Department of Energy | $166,581 | 2026-11-02 | https://www.usaspending.gov/award/CONT_AWD_89303927FEM000421_8900_89303923AEM000019_8900 |
| Kane Environmental, Inc. | Public Buildings Service | $81,711 | 2026-10-28 | https://www.usaspending.gov/award/CONT_AWD_47PB5427F0001_4740_GS10F0061W_4730 |
| Weston Solutions Inc | Environmental Protection Agency | $1,000,000 | 2026-10-20 | https://www.usaspending.gov/award/CONT_AWD_68HE0927F0004_6800_68HE0926D0015_6800 |
| Independent Strategic Management Solutions Inc | Department of Energy | $269,172 | 2026-10-20 | https://www.usaspending.gov/award/CONT_AWD_89303927FEM000418_8900_89303923AEM000019_8900 |
| Weston Solutions Inc | Environmental Protection Agency | $843,285 | 2026-09-28 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0173_6800_68HE0720D0005_6800 |
| Parymon Corp | National Oceanic and Atmospheric Administration | $821,857 | 2026-09-08 | https://www.usaspending.gov/award/CONT_AWD_1305M326F0194_1330_1305M424D0040_1330 |
| Natures Capital LLC | Bureau of Land Management | $252,195 | 2026-09-08 | https://www.usaspending.gov/award/CONT_AWD_140L3726P0107_1422_-NONE-_-NONE- |
| Weston Solutions Inc | Environmental Protection Agency | $778,195 | 2026-08-21 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0153_6800_68HE0720D0005_6800 |
| Washington State University | Immediate Office of the Secretary of Transportation | $79,045 | 2026-08-20 | https://www.usaspending.gov/award/CONT_AWD_6913G626P800043_6901_-NONE-_-NONE- |
| Weston Solutions Inc | Environmental Protection Agency | $5,088,693 | 2026-08-18 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0151_6800_68HE0720D0005_6800 |
| Weston Solutions Inc | Environmental Protection Agency | $139,824 | 2026-07-30 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0138_6800_68HE0720D0005_6800 |
| Independent Strategic Management Solutions Inc | Department of Energy | $954,263 | 2026-07-23 | https://www.usaspending.gov/award/CONT_AWD_89303926FEM000403_8900_89303923AEM000019_8900 |
| Weston Solutions Inc | Environmental Protection Agency | $134,920 | 2026-07-10 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0124_6800_68HE0720D0005_6800 |
| Tetra Tech Inc | Department of the Army | $149,150 | 2026-07-02 | https://www.usaspending.gov/award/CONT_AWD_W912DW26PA072_9700_-NONE-_-NONE- |
| Toeroek Associates, Inc. | Environmental Protection Agency | $1,343,458 | 2026-07-01 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0112_6800_68HE0926D0013_6800 |
| Research Planning, Inc. | National Oceanic and Atmospheric Administration | $1,047,755 | 2026-06-29 | https://www.usaspending.gov/award/CONT_AWD_1305M226F0277_1330_1305M223ANCNR0007_1330 |
| Independent Strategic Management Solutions Inc | Department of Energy | $646,027 | 2026-06-25 | https://www.usaspending.gov/award/CONT_AWD_89303926FEM000400_8900_89303923AEM000019_8900 |
| Research Planning, Inc. | National Oceanic and Atmospheric Administration | $496,402 | 2026-06-16 | https://www.usaspending.gov/award/CONT_AWD_1305M226F0254_1330_1305M223ANCNR0007_1330 |
| Weston Solutions Inc | Environmental Protection Agency | $518,861 | 2026-06-09 | https://www.usaspending.gov/award/CONT_AWD_68HE0726F0099_6800_68HE0720D0005_6800 |
| Sealaska Remediation Solutions, LLC | Department of the Army | $213,685 | 2026-03-25 | https://www.usaspending.gov/award/CONT_AWD_W912DW26FA016_9700_W912EF23D0017_9700 |

Data: DataInside, from USAspending.gov. Award totals are federal obligations, not company revenue.
