| 2026-06-26 | Department of Energy | | $3.08B | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2020-08-18 | Department of Energy | | $2.06B | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2024-12-19 | Department of Health and Human Services | | $183.8M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2021-03-02 | Department of Health and Human Services | | $172.8M | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES |
| 2022-02-03 | National Aeronautics and Space Administration | | $127.7M | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) |
| 2026-06-04 | National Aeronautics and Space Administration | | $98.6M | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) |
| 2025-12-17 | Department of Health and Human Services | | $57.8M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2026-04-23 | Department of Health and Human Services | | $16.6M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2025-06-11 | Environmental Protection Agency | | $13.6M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2026-03-24 | Department of Health and Human Services | | $11.8M | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| 2025-06-03 | Environmental Protection Agency | | $11.6M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2025-10-01 | Department of Veterans Affairs | | $10.0M | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| 2025-05-30 | Environmental Protection Agency | | $10.0M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2025-06-04 | Environmental Protection Agency | | $9.6M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2021-02-26 | National Aeronautics and Space Administration | | $9.3M | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) |
| 2025-05-29 | Environmental Protection Agency | | $7.2M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2021-02-25 | National Aeronautics and Space Administration | | $7.1M | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) |
| 2020-12-29 | Nuclear Regulatory Commission | | $6.9M | ENVIRONMENTAL CONSULTING SERVICES |
| 2014-08-07 | Department of Health and Human Services | | $6.0M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2026-04-21 | Nuclear Regulatory Commission | | $5.9M | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| 2021-04-14 | National Aeronautics and Space Administration | | $5.9M | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) |
| 2026-04-22 | Department of Health and Human Services | | $4.8M | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| 2024-05-15 | Department of Health and Human Services | | $4.7M | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) |
| 2025-05-23 | Environmental Protection Agency | | $4.6M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2025-06-10 | Environmental Protection Agency | | $4.3M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |