TOP 60 OFFICE ENGINEERING FIRMS |
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| RANK | COMPANY | 2016 OFFICE REVENUE |
| 1 | AECOM | $255,200,000 |
| 2 | WSP | $164,900,000 |
| 3 | Thornton Tomasetti | $110,313,979 |
| 4 | Arup | $64,685,840 |
| 5 | Mason & Hanger Group | $57,000,000 |
| 6 | Syska Hennessy Group | $40,910,523 |
| 7 | Ghafari Associates | $28,300,000 |
| 8 | AKF Group | $25,242,711 |
| 9 | Environmental Systems Design | $24,098,625 |
| 10 | Wiss, Janney, Elstner | $19,020,000 |
| 11 | GHT Ltd. | $14,114,091 |
| 12 | Glumac | $13,591,375 |
| 13 | Vanderweil Engineers | $13,196,000 |
| 14 | Magnusson Klemencic Associates | $12,831,865 |
| 15 | Simpson Gumpertz & Heger | $12,300,000 |
| 16 | Bala Consulting Engineers | $11,770,000 |
| 17 | Jensen Hughes | $11,622,738 |
| 18 | Burns & McDonnell | $11,503,267 |
| 19 | IMEG/KJWW/TTG | $11,460,487 |
| 20 | RDK Engineers | $11,189,000 |
| 21 | ME Engineers | $8,300,000 |
| 22 | Heapy Engineering | $8,215,669 |
| 23 | Interface Engineering | $8,088,346 |
| 24 | Cardno | $7,144,871 |
| 25 | Walker Parking Consultants | $6,790,591 |
| 26 | H.F. Lenz Co. | $6,676,200 |
| 27 | Morrison Hershfield | $6,457,606 |
| 28 | Newcomb & Boyd | $6,370,887 |
| 29 | CJL Engineering | $6,232,353 |
| 30 | Affiliated Engineers | $5,456,000 |
| 31 | Shive-Hattery | $5,449,912 |
| 32 | NV5 Global | $5,206,451 |
| 33 | Hixson | $5,200,000 |
| 34 | Henderson Engineers | $5,195,492 |
| 35 | Martin/Martin | $5,016,213 |
| 36 | Walter P Moore | $4,511,968 |
| 37 | Ross & Baruzzini | $4,365,000 |
| 38 | Kamm Consulting | $4,090,646 |
| 39 | Bridgers & Paxton Consulting Engineers | $3,944,889 |
| 40 | Guernsey | $3,830,941 |
| 41 | Pedco E&A Services | $3,800,000 |
| 42 | TLC Engineering for Architecture | $3,461,088 |
| 43 | Loring Consulting Engineers | $3,300,000 |
| 44 | SSOE Group | $3,200,000 |
| 45 | Smith Seckman Reid | $3,164,620 |
| 46 | OLA Consulting Engineers | $3,116,000 |
| 47 | Dunham Associates | $3,000,000 |
| 48 | ThermalTech Engineering | $3,000,000 |
| 49 | I. C. Thomasson Associates | $2,800,000 |
| 50 | Rock Brook Consulting Group, The | $2,700,000 |
| 51 | DeSimone Consulting Engineers | $2,617,660 |
| 52 | Spectrum Engineers | $2,446,042 |
| 53 | Coffman Engineers | $2,047,344 |
| 54 | Karpinski Engineering | $2,000,000 |
| 55 | JQ Engineering | $1,914,000 |
| 56 | Kohler Ronan | $1,519,782 |
| 57 | Stanley Consultants | $1,451,557 |
| 58 | M/E Engineering | $1,250,782 |
| 59 | Setty | $1,108,716 |
| 60 | Rist-Frost-Shumway Engineering | $1,080,000 |
| 61 | Primera Engineers | $1,006,823 |
| 62 | KCI Technologies | $1,000,000 |
| 63 | RMF Engineering | $1,000,000 |
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