Jacobs, AECOM, Alfa Tech, Burns & McDonnell, and Ramboll top the rankings of the nation's largest engineering architecture (EA) firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2023 Giants 400 Report.
| Top 35 Engineering Architecture Firms for 2023 | ||
| FIRM | 2022 REVENUE | |
| 1 | Jacobs | $3,758,130,000 |
| 2 | AECOM | $1,188,400,000 |
| 3 | Alfa Tech Consulting Engineers | $668,916,000 |
| 4 | Burns & McDonnell | $607,991,307 |
| 5 | Ramboll | $446,000,000 |
| 6 | EXP | $413,632,000 |
| 7 | Thornton Tomasetti | $340,000,000 |
| 8 | Salas O'Brien | $278,829,405 |
| 9 | CRB Group | $251,848,609 |
| 10 | IPS-Integrated Project Services | $251,455,461 |
| 11 | SSOE | $201,089,634 |
| 12 | Dewberry | $169,533,654 |
| 13 | Ghafari Associates | $140,137,000 |
| 14 | Wiss, Janney, Elstner Associates | $136,852,000 |
| 15 | STV | $124,529,283 |
| 16 | Morrison Hershfield | $98,392,864 |
| 17 | Farnsworth Group | $84,516,271 |
| 18 | PRIME AE Group | $80,452,911 |
| 19 | Walker Consultants | $72,483,000 |
| 20 | BRPH Companies | $71,180,000 |
| 21 | CDM Smith | $63,590,300 |
| 22 | Shive-Hattery | $63,357,375 |
| 23 | Burns Engineering | $51,895,952 |
| 24 | ISG | $49,479,097 |
| 25 | Woolpert | $49,000,000 |
| 26 | Highland Associates | $43,200,000 |
| 27 | Halff | $36,935,000 |
| 28 | Whitman, Requardt & Associates | $31,072,708 |
| 29 | GRAEF | $29,934,795 |
| 30 | DLZ Corporation | $29,822,055 |
| 31 | Stanley Consultants | $29,618,067 |
| 32 | EAPC Architects Engineers | $25,531,159 |
| 33 | Hixson Architecture, Engineering, Interiors | $24,000,000 |
| 34 | CBRE Group | $22,545,319 |
| 35 | PS&S | $19,353,840 |
| 36 | EVstudio | $14,550,000 |
| 37 | Davis, Bowen & Friedel | $12,858,294 |
| 38 | Primera Engineers | $6,745,780 |
| 39 | R.E. Warner & Associates | $6,436,780 |
Source: 2023 Giants 400 Report
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