| | GCS LLC | REGION 2 ROAD MAINTENANCE AND OTHER FOREST MAINTENANCE/SUPPORT SERVICES | IDC | $20,000,000 | FOREST SERVICE | FOREST SERVICE | SBA | 237310Highway, Street, and Bridge Construction | F018NATURAL RESOURCES/CONSERVATION- OTHER FOREST/RANGE IMPROVEMENTS (NON-CONSTRUCTION) | Jul 30, 2025 | Jul 1, 2025 | — |
| | GCS LLC | — | IDC | $50,000,000 | FOREST SERVICE | FOREST SERVICE | SBA | 237310Highway, Street, and Bridge Construction | Y1LBCONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS | Jun 26, 2025 | Jul 14, 2025 | — |
| | GCS LLC | — | IDC | $2,500 | FOREST SERVICE | FOREST SERVICE | — | 237310Highway, Street, and Bridge Construction | Z2LBREPAIR OR ALTERATION OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS | Aug 30, 2021 | Aug 30, 2021 | Aug 29, 2026 |
| | GCS LLC | — | IDC | $250,000 | FOREST SERVICE | FOREST SERVICE | SBA | 115310Support Activities for Forestry | F003NATURAL RESOURCES/CONSERVATION- FOREST-RANGE FIRE SUPPRESSION/PRESUPPRESSION | May 27, 2021 | May 27, 2021 | May 21, 2024 |
| | GCS LLC | MULTI AWARD IDIQ - MBRTB 2019 ROAD MAINTENANCE IDIQ | IDC | $1 | FOREST SERVICE | FOREST SERVICE | — | 237310Highway, Street, and Bridge Construction | F018NATURAL RESOURCES/CONSERVATION- OTHER FOREST/RANGE IMPROVEMENTS (NON-CONSTRUCTION) | May 31, 2019 | May 31, 2019 | May 30, 2024 |
| | GCS LLC | IDIQ ROAD MAINTENANCE CONTRACT FOR NORWOOD AND OURAY RANGER DISTRICTS
IGF::OT::IGF | IDC | $500,000 | FOREST SERVICE | FOREST SERVICE | — | 237310Highway, Street, and Bridge Construction | F018NATURAL RESOURCES/CONSERVATION- OTHER FOREST/RANGE IMPROVEMENTS (NON-CONSTRUCTION) | Sep 26, 2016 | Sep 26, 2016 | Sep 25, 2021 |
| | GCS LLC | IGF::OT::IGF MATOC ROAD AND FACILITIES CONSTRUCTION, RIO GRANDE NATIONAL FOREST, COLORADO | IDC | $999,999 | FOREST SERVICE | FOREST SERVICE | SBA | 237990Other Heavy and Civil Engineering Construction | Y1AZCONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | May 15, 2015 | May 15, 2015 | Dec 31, 2019 |
| | GCS LLC | IGF::OT::IGF MATOC ROAD AND FACILITIES CONSTRUCTION, SAN JUAN NATIONAL FOREST, COLORADO | IDC | $999,999 | FOREST SERVICE | FOREST SERVICE | SBA | 237990Other Heavy and Civil Engineering Construction | Y1AZCONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | Mar 20, 2015 | Mar 20, 2015 | Dec 31, 2019 |
| | GCS LLC | — | IDC | $950,000 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | SDVOSBC | 236220Commercial and Institutional Building Construction | Y1DZCONSTRUCTION OF OTHER HOSPITAL BUILDINGS | Sep 11, 2014 | Sep 11, 2014 | Aug 15, 2016 |
| | GCS LLC | BRIDGEPORT TRAILHEAD-2012 | IDC | $154,832 | BUREAU OF LAND MANAGEMENT | BUREAU OF LAND MANAGEMENT | SDVOSBC | 236220Commercial and Institutional Building Construction | Y1LZCONSTRUCTION OF PARKING FACILITIES | Sep 7, 2012 | Sep 7, 2012 | Dec 31, 2012 |