Jacobs, AECOM, Burns & McDonnell, and Alfa Tech 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 2021 Giants 400 Report.
| Top 40 Engineering/Architecture Firms for 2021 | ||
| FIRM | 2020 REVENUE | |
| 1 | Jacobs | $3,319,210,000 |
| 2 | AECOM | $1,303,400,000 |
| 3 | Burns & McDonnell | $551,599,410 |
| 4 | Alfa Tech Consulting Engineers | $500,000,000 |
| 5 | EXP | $350,011,905 |
| 6 | Buro Happold | $331,749,000 |
| 7 | Thornton Tomasetti | $256,518,041 |
| 8 | NV5 Global | $217,072,000 |
| 9 | Salas O'Brien | $157,962,569 |
| 10 | IPS-Integrated Project Services | $156,528,984 |
| 11 | CRB | $146,810,000 |
| 12 | SSOE Group | $142,413,414 |
| 13 | CHA Consulting | $139,900,000 |
| 14 | Wiss, Janney, Elstner Associates | $124,850,000 |
| 15 | Dewberry | $118,199,945 |
| 16 | STV | $114,382,473 |
| 17 | Merrick and Company* | $110,175,000 |
| 18 | Haskell | $104,801,302 |
| 19 | BRPH | $86,183,604 |
| 20 | Morrison Hershfield | $86,091,321 |
| 21 | Ghafari Associates | $81,300,000 |
| 22 | Olsson | $75,834,729 |
| 23 | Farnsworth Group | $68,112,548 |
| 24 | Ross & Baruzzini | $61,900,000 |
| 25 | Cushing Terrell | $57,783,842 |
| 26 | CDM Smith | $52,425,406 |
| 27 | Stanley Consultants | $44,111,652 |
| 28 | Shive-Hattery | $44,110,573 |
| 29 | Black & Veatch Corp. | $38,190,000 |
| 30 | Highland Associates | $29,200,000 |
| 31 | GRAEF | $28,192,627 |
| 32 | Galloway & Company | $27,683,047 |
| 33 | Halff Associates | $25,335,000 |
| 34 | Hixson Architecture, Engineering, Interiors | $20,000,000 |
| 35 | Apogee Consulting Group | $18,833,367 |
| 36 | PS&S | $17,515,318 |
| 37 | Epstein | $14,375,000 |
| 38 | SchraderGroup | $11,435,754 |
| 39 | EAPC Architects Engineers | $9,963,829 |
| 40 | Davis, Bowen & Friedel | $9,109,516 |
| 41 | Primera Engineers | $5,508,234 |
| 42 | VJS Construction Services | $785,000 |
SOURCE: 2021 Giants 400 Report *Editors' estimate Note: WSP USA was moved to the Top 75 Engineering Firms for 2021 list on 9/2/21, and GMB Architecture + Engineering was moved to the Top 95 Architecture/Engineering Firms for 2021 list on 10/27/21.
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