| CORE TECH CONSTRUCTION CORPORATION | 25 | $60,000 |
| WSP USA Inc. | 17 | $115,948 |
| Stantec Consulting Services Inc. | 15 | $93,974 |
| Amazon Data Services, Inc | 13 | $149,240 |
| Langan Engineering and Environmental Services, LLC | 11 | $72,250 |
| AECOM Technical Services, Inc. | 10 | $107,768 |
| DPR Construction, A General Partnership | 10 | $100,443 |
| Jacobs Engineering Group, Inc. | 9 | $110,000 |
| THORNTON TOMASETTI, INC. | 9 | $110,490 |
| Michael Baker International, Inc. | 9 | $90,875 |
| Clayco, Inc. | 8 | $105,000 |
| Simpson Gumpertz & Heger Inc. | 8 | $100,207 |
| Moss & Associates, LLC | 7 | $90,000 |
| Jacobs Project Management Company | 7 | $111,585 |
| Terracon Consultants, Inc. | 7 | $98,900 |
| HDR Engineering, Inc. | 6 | $113,391 |
| Black Construction Corporation | 6 | $54,200 |
| Pacific Rim Constructors, Inc. | 6 | $70,000 |
| Arcadis U.S., Inc. | 5 | $96,532 |
| Kiewit Engineering Group Inc. | 5 | $127,332 |
| AtkinsRealis USA Inc. | 5 | $115,740 |
| STV Incorporated | 5 | $107,432 |
| Obayashi Corporation | 5 | $74,400 |
| The Industrial Company | 5 | $91,455 |
| Black & Veatch Corporation | 4 | $122,117 |
| The Lane Construction Corporation | 4 | $95,000 |
| CLARK CONSTRUCTION GROUP, LLC | 4 | $117,407 |
| Arup US, Inc. | 4 | $108,000 |
| Shimmick Construction Company, Inc. | 4 | $109,894 |
| Samsung E&C America, Inc. | 4 | $53,622 |
| Hardesty & Hanover, LLC | 4 | $115,481 |
| BCC Engineering, LLC | 4 | $126,547 |
| The Transtec Group, Inc. | 4 | $94,823 |
| ENTECH ENGINEERING, P.C. | 4 | $124,800 |
| East Coast Metal Structures Corp | 4 | $65,000 |
| BURNS & MCDONNELL ENGINEERING COMPANY, INC. | 3 | $113,048 |
| HDCC Guam, LLC | 3 | $80,288 |
| Texas A&M Transportation Institute | 3 | $91,229 |
| Bowman Consulting Group, Ltd. | 3 | $95,000 |
| Flatiron Dragados USA, Inc. | 3 | $97,352 |
