Top 45 industrial engineering firms
| TOP 45 INDUSTRIAL ENGINEERING FIRMS | ||
| RANK | COMPANY | 2016 INDUSTRIAL REVENUE | 
| 1 | AECOM | $238,800,000 | 
| 2 | Fluor | $228,230,000 | 
| 3 | CRB | $143,366,625 | 
| 4 | SSOE Group | $108,760,000 | 
| 5 | IPS-Integrated Project Services | $105,612,657 | 
| 6 | Burns & McDonnell | $35,168,414 | 
| 7 | Ghafari Associates | $33,100,000 | 
| 8 | Hixson | $12,000,000 | 
| 9 | Barge, Waggoner, Sumner and Cannon | $11,500,000 | 
| 10 | Jensen Hughes | $10,960,043 | 
| 11 | ThermalTech Engineering | $10,820,000 | 
| 12 | Coffman Engineers | $10,805,813 | 
| 13 | Epstein | $10,469,801 | 
| 14 | Arup | $8,130,903 | 
| 15 | I. C. Thomasson Associates | $7,521,000 | 
| 16 | Shive-Hattery | $6,364,546 | 
| 17 | NV5 Global | $6,080,179 | 
| 18 | Affiliated Engineers | $5,895,000 | 
| 19 | Martin/Martin | $5,849,593 | 
| 20 | Guernsey | $5,592,623 | 
| 21 | Cardno | $5,395,552 | 
| 22 | Simpson Gumpertz & Heger | $4,900,000 | 
| 23 | Wiss, Janney, Elstner | $4,200,000 | 
| 24 | Woolpert | $3,650,678 | 
| 25 | WSP | $3,430,000 | 
| 26 | P2S | $3,403,926 | 
| 27 | STV | $3,099,629 | 
| 28 | Graef | $2,708,174 | 
| 29 | Walter P Moore | $2,639,188 | 
| 30 | M/E Engineering | $2,501,563 | 
| 31 | Pedco E&A Services | $2,500,000 | 
| 32 | Smith Seckman Reid | $2,484,488 | 
| 33 | Barton Malow | $2,190,000 | 
| 34 | Stanley Consultants | $1,836,304 | 
| 35 | LaBella Associates | $1,575,798 | 
| 36 | Interface Engineering | $1,440,809 | 
| 37 | Glumac | $1,372,218 | 
| 38 | Rock Brook Consulting Group, The | $1,350,000 | 
| 39 | Vanderweil Engineers | $1,290,800 | 
| 40 | KCI Technologies | $1,200,000 | 
| 41 | Bala Consulting Engineers | $1,140,000 | 
| 42 | Henderson Engineers | $1,035,814 | 
| 43 | RDK Engineers | $1,001,000 | 
| 44 | RMF Engineering | $975,000 | 
| 45 | Thornton Tomasetti | $939,923 | 
