Rank Company 2012 Hospitality Revenue ($) 1 AECOM Technology Corp. $100,190,000 2 Parsons Brinckerhoff $28,900,000 3 Buro Happold Consulting Engineers $16,165,000 4 Rolf Jensen & Associates $7,600,000 5 Thornton Tomasetti $7,218,731 6 KPFF Consulting Engineers $6,000,000 7 Arup $5,527,371 8 Michael Baker Jr. $4,340,000 9 Wiss, Janney, Elstner Associates $2,880,000 10 WSP USA $2,696,642 11 Simpson Gumpertz & Heger $2,200,000 11 Aon Fire Protection Engineering $2,000,000 13 Clark Nexsen $1,450,223 14 Vanderweil Engineers $1,272,800 15 Glumac $1,252,000 16 Magnusson Klemencic Associates $1,239,089 17 Bala Consulting Engineers $1,200,000 18 M/E Engineering $1,134,350 19 TLC Engineering for Architecture $973,982 20 Environmental Systems Design $971,399 21 M-E Engineers $900,000 22 H&A Architects & Engineers $863,474 23 Paulus, Sokolowski and Sartor $750,000 24 AKF Group $739,000 25 KJWW Engineering Consultants $651,984 26 KLH Engineers $524,215 27 Walter P Moore $495,971 28 GHT Limited $450,000 29 Science Applications International Corp. $426,888 30 Interface Engineering $425,984 31 Allen & Shariff $400,000 32 Walker Parking Consultants $360,240 33 Bridgers & Paxton Consulting Engineers $337,378 34 Haynes Whaley Associates $301,003 35 CTLGroup $300,000 36 RDK Engineers $281,000 37 Henderson Engineers $272,858 38 H.F. Lenz $272,000 39 Smith Seckman Reid $270,470 40 Syska Hennessy Group $265,788 41 Primera Engineers $211,000 42 Coffman Engineers $200,000 43 Joseph R. Loring & Associates $155,000 44 Wallace Engineering $150,000 45 GRAEF $143,034 46 Dunham Associates $125,000 47 Karpinski Engineering $109,499 48 Barge, Waggoner, Sumner and Cannon $100,000 48 ThermalTech Engineering $100,000 50 Heapy Engineering $96,897 51 Spectrum Engineers $89,390 52 Newcomb & Boyd $87,850 53 TTG $85,000 54 Mazzetti $57,094 55 Sparling $40,399 56 Dewberry $33,605 57 FBA Engineering $30,000 58 Degenkolb Engineers $14,192 59 Davis, Bowen & Friedel $10,521 60 Kamm Consulting $3,500 61 Shive-Hattery $3,055 62 French & Parrello Associates $3,000

 

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