| | TASK ORDER AWARD | OCH JV | $124,042 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Feb 23, 2026 | Feb 23, 2026 | Jul 31, 2028 |
| | TASK ORDER AWARD | OCH JV | $1,260,808 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Feb 2, 2026 | Feb 2, 2026 | Jul 31, 2028 |
| | SHEBOYGAN RIVER SITE PRP OVERSIGHT TASK ORDER. | OCH JV | $757,166 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jan 1, 2026 | Jan 1, 2026 | Jul 31, 2028 |
| | N62473-21-D-2216 ACQR 6105432_FIVE-YEAR REVIEW FOR FORMER NAVAL AIR STATION ALAMEDA, AND THE FLEET AND INDUSTRIAL SUPPLY CENTER, ALAMEDA, CALIFORNIA | OCH JV | $251,869 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562910Remediation Services | F110ENVIRON SYS PROTECT- DEVELOPMENT OF ENVIRON IMPACT STMTS/ASSESSMENTS, TECH ANALYSIS/ENVIRON AUDITS | Jul 26, 2025 | Jul 28, 2025 | Jul 28, 2027 |
| | TASK ORDER AWARD | OCH JV | $893,877 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jun 26, 2025 | Jun 26, 2025 | Jul 31, 2028 |
| | R10 GAY MINE SUPERFUND SITE (RAF-ESO) | OCH JV | $1,247,052 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Aug 5, 2024 | Aug 5, 2024 | Sep 5, 2029 |
| | TASK ORDER FOR THE ESO FORMER OSHKOSH MANUFACTURED GAS PLANT | OCH JV | $244,970 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jun 28, 2024 | Jun 28, 2024 | Jul 31, 2028 |
| | ESO TASK ORDER REILLY TAR | OCH JV | $331,198 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | May 22, 2024 | May 22, 2024 | Jul 31, 2027 |
| | RAF ESO TASK ORDER FOR NEW IDRIA MINE RI/FS OVERSIGHT | OCH JV | $533,361 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Apr 30, 2024 | Apr 26, 2024 | Apr 25, 2027 |
| | R7/8 ESO: LEAD SERVICE LINE INVENTORY TECHNICAL SUPPORT | OCH JV | $8,193,592 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Mar 4, 2024 | Mar 4, 2024 | Oct 16, 2027 |
| | OUTBOARD MARINE CORPORATION SUPERFUND SITE - OU4 (ESO) | OCH JV | $648,326 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Feb 22, 2024 | Feb 22, 2024 | Feb 21, 2029 |
| | TASK ORDER AWARD | OCH JV | $488,017 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Dec 8, 2023 | Dec 8, 2023 | Jul 31, 2028 |
| | R10 ESO: WYCKOFF/EAGLE HARBOR SUPERFUND SITE REMEDIAL ACTIVITIES TECHNICAL SUPPORT | OCH JV | $13,202,422 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 28, 2023 | Sep 28, 2023 | Sep 30, 2029 |
| | TASK ORDER | OCH JV | $562,728 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 27, 2023 | Jul 27, 2023 | Jul 31, 2028 |
| | TASK ORDER: TWO RIVERS | OCH JV | $406,082 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 26, 2023 | Jul 26, 2023 | Jul 31, 2028 |
| | TASK ORDER. | OCH JV | $997,247 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 26, 2023 | Jul 26, 2023 | Jul 31, 2028 |
| | TASK ORDER | OCH JV | $699,995 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 18, 2023 | Jul 18, 2023 | Jul 31, 2028 |
| | TASK ORDER: VELSICOL CHEMICAL CORPORATION | OCH JV | $2,958,980 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jun 28, 2023 | Jun 28, 2023 | Jul 31, 2028 |
| | TASK ORDER AWARD | OCH JV | $756,437 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jun 12, 2023 | Jun 12, 2023 | Jul 31, 2028 |
| | R10 ESO BLACKBIRD MINE SITE - IDAHO COBALT PROJECT OVERSIGHT SUPPORT | OCH JV | $1,108,730 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 20, 2022 | Sep 20, 2022 | Jun 19, 2026 |
| | MINIMUM GUARANTEE | OCH JV | $5,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 20, 2021 | Sep 20, 2021 | Sep 19, 2026 |
| | ESO BEHR DAYTON | OCH JV | $302,145 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 8, 2021 | Sep 8, 2021 | Jul 31, 2028 |
| | NORTH BRONSON TASK ORDER | OCH JV | $1,621,006 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 29, 2021 | Jul 29, 2021 | Jul 31, 2026 |
| | R7 ESO: CHEROKEE COUNTY SUPERFUND SITE - FIVE-YEAR REVIEW (FYR), DATA AND SAMPLING | OCH JV | $117,696 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jul 27, 2021 | Jul 27, 2021 | Nov 30, 2025 |
| | TASK ORDER DOVER CHEMICAL | OCH JV | $405,388 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 562910Remediation Services | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jun 14, 2021 | Jun 14, 2021 | Jul 31, 2028 |