AECOM, CMTA, Jacobs, WSP, and IMEG head BD+C's ranking of the nation's largest K-12 school building engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report.
| Top 80 K-12 School Engineering Firms for 2023 | ||
| FIRM | 2022 REVENUE | |
| 1 | AECOM | $60,400,000 |
| 2 | CMTA | $59,183,021 |
| 3 | Jacobs | $55,150,000 |
| 4 | WSP | $32,716,737 |
| 5 | IMEG | $25,160,950 |
| 6 | Tetra Tech High Performance Buildings Group | $25,051,537 |
| 7 | Salas O'Brien | $20,497,686 |
| 8 | NV5 Global | $19,676,965 |
| 9 | EXP | $13,295,000 |
| 10 | KPFF Consulting Engineers | $12,331,402 |
| 11 | Kimley-Horn | $10,343,000 |
| 12 | ISG | $10,058,473 |
| 13 | Langan | $10,000,000 |
| 14 | Dewberry | $9,763,807 |
| 15 | TLC Engineering Solutions | $7,586,727 |
| 16 | Henderson Engineers | $6,357,692 |
| 17 | Wiss, Janney, Elstner Associates | $6,310,000 |
| 18 | M/E Engineering | $6,100,000 |
| 19 | Jensen Hughes | $5,916,435 |
| 20 | Bala Consulting Engineers | $5,520,000 |
| 21 | BRPH Companies | $5,500,000 |
| 22 | Halff | $5,312,000 |
| 23 | Interface Engineering | $5,173,330 |
| 24 | Alfa Tech Consulting Engineers | $5,040,000 |
| 25 | RTM Engineering Consultants | $4,821,900 |
| 26 | PCS Structural Solutions | $4,796,799 |
| 27 | Farnsworth Group | $4,740,271 |
| 28 | Thornton Tomasetti | $4,654,807 |
| 29 | KCL Engineering | $4,490,834 |
| 30 | Olsson | $3,974,569 |
| 31 | Wallace Design Collective | $3,700,000 |
| 32 | H.F. Lenz | $3,686,815 |
| 33 | SSOE | $3,631,005 |
| 34 | Bridgers & Paxton Consulting Engineers | $3,586,501 |
| 35 | Highland Associates | $3,500,000 |
| 36 | BKF Engineers | $3,433,103 |
| 37 | P2S | $3,364,668 |
| 38 | Parametrix | $3,282,228 |
| 39 | Karpinski Engineering | $3,200,000 |
| 40 | PRIME AE Group | $3,151,515 |
| 41 | Heapy | $3,136,072 |
| 42 | Stanley Consultants | $2,960,901 |
| 43 | Walter P Moore | $2,579,513 |
| 44 | French & Parrello Associates | $2,564,060 |
| 45 | Kohler Ronan | $2,535,014 |
| 46 | JQ Engineering | $2,342,968 |
| 47 | Shive-Hattery | $2,335,565 |
| 48 | GRAEF | $2,315,417 |
| 49 | Primera Engineers | $2,184,815 |
| 50 | McKinstry | $2,000,000 |
| 51 | Martin/Martin | $1,807,643 |
| 52 | ME Engineers | $1,800,000 |
| 53 | EAPC Architects Engineers | $1,769,699 |
| 54 | PBS Engineers | $1,625,000 |
| 55 | KCI Technologies | $1,589,761 |
| 56 | SSC Engineering | $1,529,000 |
| 57 | I.C. Thomasson Associates | $1,515,480 |
| 58 | Osborn Engineering | $1,500,000 |
| 59 | PS&S | $1,415,934 |
| 60 | Bennett & Pless | $1,365,721 |
| 61 | Davis, Bowen & Friedel | $1,351,614 |
| 62 | Vanderweil Engineers | $1,336,900 |
| 63 | raSmith | $1,288,512 |
| 64 | Smith Seckman Reid (SSR) | $1,077,741 |
| 65 | Schaefer | $1,042,328 |
| 66 | Dunham Associates | $1,000,000 |
| 67 | Arup | $988,187 |
| 68 | Morrison Hershfield | $970,408 |
| 69 | Kohrs Lonnemann Heil Engineers (KLH) | $712,072 |
| 70 | Syska Hennessy Group | $687,569 |
| 71 | Jaros, Baum & Bolles | $640,243 |
| 72 | DLZ Corporation | $619,504 |
| 73 | BG Buildingworks | $585,000 |
| 74 | AKF | $566,822 |
| 75 | Woolpert | $500,000 |
| 76 | Jordan & Skala Engineers | $398,554 |
| 77 | Specialized Engineering Solutions | $350,000 |
| 78 | JP Harvey Engineering Solutions | $303,773 |
| 79 | Newcomb & Boyd | $166,834 |
| 80 | EVstudio | $95,000 |
| 81 | Teecom | $62,447 |
| 82 | DH Engineering | $22,076 |
| 83 | Henderson Building Solutions | $4,000 |
Source: 2023 Giants 400 Report
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