| | 2026-2028 OAZ ANALYTICAL SERVICES | ARDL INC | $1,630,127 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Dec 10, 2025 | Jan 1, 2026 | Mar 3, 2028 |
| | SAJ FUDS PROGRAM SUPPORT | ARDL INC | $2,197,280 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | Jul 31, 2025 | Sep 2, 2025 | Sep 1, 2027 |
| | IAW PWS | ARDL INC | $16,234 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 22, 2025 | Jul 28, 2025 | Dec 31, 2025 |
| | 2025 SAUGET WELL CLUSTER TASK ORDER | ARDL INC | $12,125 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jun 26, 2025 | Jun 26, 2025 | Dec 31, 2025 |
| | M&H LABORATORY SERVICES 2025 TASK ORDER | ARDL INC | $333,568 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Apr 11, 2025 | Apr 11, 2025 | Dec 31, 2025 |
| | REND LAKE | ARDL INC | $114,774 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Apr 3, 2025 | Apr 3, 2025 | Jan 31, 2026 |
| | ENVIRONMENTAL MONITORING BRMT AND MCM | ARDL INC | $567,370 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | Feb 21, 2025 | Feb 21, 2025 | Nov 30, 2026 |
| | FY25 DREDGE MONITORING AT PIASA | ARDL INC | $15,319 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Feb 14, 2025 | Feb 14, 2025 | Oct 31, 2025 |
| | BRMT AND MCM ANALYTICAL SERVICES | ARDL INC | $131,587 | DEPT OF THE ARMY | ENVIRONMENTAL PROTECTION AGENCY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jan 17, 2025 | Jan 17, 2025 | Mar 31, 2026 |
| | OLD AMERICAN ZINC PLANT SUPERFUND SITE | ARDL INC | $729,738 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Nov 20, 2024 | Nov 20, 2024 | Dec 31, 2025 |
| | FY24 UMRR WEST ALTON PLANNING STEPS 4, 5 | ARDL INC | $13,518 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 30, 2024 | Aug 30, 2024 | Dec 31, 2025 |
| | CLARKSVILLE CARROLL NESP MUSSELL SURVEY | ARDL INC | $284,760 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | Jun 3, 2024 | Jun 3, 2024 | Dec 31, 2024 |
| | GUARANTED CONTRACT MINIMUM | ARDL INC | $0 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Mar 22, 2024 | Mar 22, 2024 | Mar 31, 2029 |
| | REND LAKE WATER QUALITY ANALYTICAL SV | ARDL INC | $98,911 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Mar 1, 2024 | Mar 1, 2024 | Jan 31, 2025 |
| | BRMT ENVIRONMENTAL LABORATORY SVC | ARDL INC | $125,486 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jan 22, 2024 | Jan 22, 2024 | Mar 31, 2025 |
| | OLD AMERICAN ZINC PLANT SUPERFUND SITE | ARDL INC | $450,902 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Aug 18, 2023 | Aug 18, 2023 | Aug 14, 2026 |
| | DENMARK AND DRIFT ISLAND MUSSEL SURVEY | ARDL INC | $106,489 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | Aug 16, 2023 | Aug 7, 2023 | Dec 18, 2023 |
| | EPA OLD AMERICAN ZINE, IL FY23-26 | ARDL INC | $1,999,960 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | Aug 1, 2023 | Aug 9, 2023 | Mar 3, 2028 |
| | CLIN 36 MERCURY | ARDL INC | $8,869 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Jul 14, 2023 | Jul 14, 2023 | Dec 31, 2023 |
| | M&H SUPERFUND SITE REMEDIAL ENVIRO SUPPORT | ARDL INC | $1,692,812 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | May 9, 2023 | May 4, 2023 | Jan 31, 2026 |
| | BIG RIVER MINING AND TAILINGS | ARDL INC | $200,466 | DEPT OF THE ARMY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | May 4, 2023 | May 1, 2023 | Dec 31, 2023 |
| | CESAJ FUDS PROGRAM SUPPORT TEAM | ARDL INC | $2,618,399 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541620Environmental Consulting Services | F999OTHER ENVIRONMENTAL SERVICES | Apr 27, 2023 | Apr 28, 2023 | Sep 1, 2025 |
| | MATTHIESSEN & HEGLER SUPERFUND SITE | ARDL INC | $1,544,930 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Mar 24, 2023 | Mar 24, 2023 | Jul 31, 2025 |
| | BASE YEAR - ENVIRONMENTAL LABORATORY | ARDL INC | $26,848 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Mar 16, 2023 | Mar 23, 2023 | Oct 31, 2024 |
| | REND LAKE WATER QUALITY ANALYTICAL SV | ARDL INC | $41,420 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541380Testing Laboratories and Services | B510SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | Mar 9, 2023 | Mar 8, 2023 | Dec 29, 2023 |