| 1 | BL HARBERT INTERNATIONAL LLC | $818,669,847 | 1 | $818,669,847 | Jan 14, 2022 | Department of State |
| 2 | ZIMMER GUNSUL FRASCA ARCHITECTS LLP | $129,747,628 | 2 | $64,873,814 | Mar 16, 2026 | General Services Administ… |
| 3 | HELLMUTH, OBATA & KASSABAUM, INC. | $93,704,288 | 4 | $23,426,072 | Apr 15, 2025 | General Services Administ… |
| 4 | JACOBS/EWINGCOLE, A JOINT VENTURE | $75,687,845 | 4 | $18,921,961 | Oct 18, 2022 | Department of Defense |
| 5 | AECOM TECHNICAL SERVICES, INC. | $69,812,931 | 11 | $6,346,630 | Jul 22, 2026 | General Services Administ… |
| 6 | SHOP ARCHITECTS, INC. | $61,746,806 | 2 | $30,873,403 | Aug 15, 2018 | Department of State |
| 7 | HDR ARCHITECTURE, INC. | $60,891,250 | 2 | $30,445,625 | Jul 01, 2010 | Department of Veterans Af… |
| 8 | ENNEAD ARCHITECTS LLP | $55,679,653 | 4 | $13,919,913 | Mar 25, 2022 | Department of State |
| 9 | PAGE-LORING LLC | $47,428,927 | 1 | $47,428,927 | Aug 17, 2020 | Smithsonian Institution |
| 10 | NATIONAL INSTITUTE OF BUILDING SCIENCES | $44,804,857 | 5 | $8,960,971 | Dec 19, 2025 | Department of Defense |
| 11 | SKIDMORE, OWINGS & MERRILL LLP | $40,081,412 | 2 | $20,040,706 | Jul 01, 2020 | Department of Veterans Af… |
| 12 | JACOBS GOVERNMENT SERVICES COMPANY | $35,031,587 | 5 | $7,006,317 | Feb 17, 2026 | Department of Defense |
