Profile: 
WSP, Kimley-Horn, Terracon, Arup, and Jensen Hughes top the rankings of the nation's largest engineering firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2019 Giants 300 Report.
The Top 80 Engineering Firms report is sponsored by Viega. Also check out the Top 40 Engineering Architecture Firms rankings and 2019 Engineering Giants Report, brought to you by Viega.
Top 80 Engineering Firms
BD+C GIANTS 300 REPORT
| RANK | COMPANY | 2018 ENGINEERING REVENUE |
| 1 | WSP USA | $441,340,147 |
| 2 | Kimley-Horn | $401,619,010 |
| 3 | Terracon Consultants* | $288,002,000 |
| 4 | Arup | $224,104,754 |
| 5 | Jensen Hughes | $211,807,000 |
| 6 | Tetra Tech High Performance Buildings Group | $200,000,000 |
| 7 | Fluor Corp. | $198,700,000 |
| 8 | KPFF Consulting Engineers | $165,485,945 |
| 9 | IMEG Corp. | $149,455,125 |
| 10 | Henderson Engineers | $139,000,000 |
| 11 | Affiliated Engineers | $137,477,000 |
| 12 | Vanderweil Engineers | $113,571,500 |
| 13 | Olsson Inc.* | $104,222,000 |
| 14 | Simpson Gumpertz & Heger* | $99,680,000 |
| 15 | Walter P Moore | $94,740,866 |
| 16 | Syska Hennessy Group | $93,975,865 |
| 17 | Timmons Group* | $76,807,000 |
| 18 | ESD | $71,999,940 |
| 19 | Integral Group | $70,500,000 |
| 20 | AKF Group | $70,000,000 |
| 21 | Jaros, Baum & Bolles | $66,177,150 |
| 22 | TLC Engineering Solutions | $66,047,674 |
| 23 | BR+A* | $65,000,000 |
| 24 | Smith Seckman Reid | $62,864,094 |
| 25 | RMF Engineering | $61,000,000 |
| 26 | ME Engineers | $56,500,000 |
| 27 | Coffman Engineers | $53,426,605 |
| 28 | Interface Engineering | $53,146,274 |
| 29 | Magnusson Klemencic Associates* | $50,819,000 |
| 30 | DeSimone Consulting Engineers | $48,414,197 |
| 31 | CMTA | $42,314,993 |
| 32 | I.C. Thomasson Associates | $42,130,000 |
| 33 | Jordan & Skala Engineers | $40,479,647 |
| 34 | P2S | $39,240,000 |
| 35 | HEAPY | $37,195,822 |
| 36 | Bala Consulting Engineers | $37,100,000 |
| 37 | Mazzetti | $35,134,298 |
| 38 | Degenkolb Engineers* | $33,840,000 |
| 39 | Martin/Martin Consulting Engineers | $30,258,833 |
| 40 | kW Mission Critical Engineering | $30,100,000 |
| 41 | CJL Engineering | $30,049,488 |
| 42 | M/E Engineering | $28,869,374 |
| 43 | Newcomb & Boyd | $26,941,571 |
| 44 | Arora Engineers | $26,518,324 |
| 45 | KCI Technologies | $23,800,000 |
| 46 | Dunham Associates | $23,000,000 |
| 47 | Loring Consulting Engineers* | $22,718,000 |
| 48 | RTM Engineering Consultants | $22,445,000 |
| 49 | Teecom | $22,135,128 |
| 50 | Wallace Engineering | $19,200,000 |
| 51 | Korda/Nemeth Engineering | $18,200,000 |
| 52 | Karpinski Engineering | $17,676,005 |
| 53 | GHT Limited | $17,432,000 |
| 54 | Peter Basso Associates | $17,250,000 |
| 55 | Bridgers & Paxton Consulting Engineers, Inc. | $16,984,151 |
| 56 | French & Parrello Associates | $16,715,627 |
| 57 | Spectrum Engineers | $14,922,374 |
| 58 | KLH Engineers | $14,873,970 |
| 59 | ThermalTech Engineering | $14,658,000 |
| 60 | Specialized Engineering Solutions (SES) | $14,250,000 |
| 61 | PBS Engineers | $13,308,000 |
| 62 | Nitsch Engineering | $12,972,258 |
| 63 | FEA Consulting Engineers | $12,526,500 |
| 64 | JQ Engineering | $12,360,112 |
| 65 | Global Engineering Solutions | $12,300,000 |
| 66 | Schaefer | $11,794,652 |
| 67 | Kohler Ronan | $10,526,115 |
| 68 | EYP Mission Critical Facilities | $10,109,000 |
| 69 | dbHMS | $8,500,000 |
| 70 | Allen & Shariff Engineering | $8,351,546 |
| 71 | OLA Consulting Engineers | $8,088,000 |
| 72 | Wick Fisher White | $7,630,000 |
| 73 | Zak Companies | $7,341,752 |
| 74 | Tighe & Bond | $6,950,000 |
| 75 | PWI Engineering | $6,419,731 |
| 76 | Architectural Engineers Inc. | $5,639,895 |
| 77 | Paradigm Structural Engineers | $4,918,553 |
| 78 | KCL Engineering | $4,690,509 |
| 79 | Weitz Company, The | $2,032,000 |
| 80 | Marque Engineering | $1,379,000 |
| SOURCE: BD+C 2019 GIANTS 300 REPORT * EDITORS’ ESTIMATE | ||
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