| TOP 70 OFFICE ENGINEERING FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | Jacobs | $438,700,000 |
| 2 | AECOM | $285,000,000 |
| 3 | Thornton Tomasetti | $108,284,346 |
| 4 | WSP | Parsons Brinckerhoff | $93,672,000 |
| 5 | Burns & McDonnell | $59,216,746 |
| 6 | Arup | $55,609,224 |
| 7 | Syska Hennessy Group | $35,568,928 |
| 8 | Dewberry | $29,285,538 |
| 9 | Hankins and Anderson | $25,877,629 |
| 10 | Benham Design | $18,638,864 |
| 11 | Environmental Systems Design | $18,338,134 |
| 12 | Glumac | $16,815,183 |
| 13 | KJWW / TTG | $15,501,754 |
| 14 | Wiss, Janney, Elstner Associates | $15,350,000 |
| 15 | Magnusson Klemencic Associates | $12,831,847 |
| 16 | RDK Engineers | $12,490,393 |
| 17 | Vanderweil Engineers | $11,744,500 |
| 18 | Simpson Gumpertz & Heger | $11,031,000 |
| 19 | Jensen Hughes | $10,470,936 |
| 20 | GHT Limited | $10,470,000 |
| 21 | ME Engineers | $7,790,000 |
| 22 | Henderson Engineers | $7,090,542 |
| 23 | Bridgers & Paxton Consulting Engineers | $6,544,088 |
| 24 | H.F. Lenz Company | $6,466,407 |
| 25 | CJL Engineering, Inc. | $6,266,850 |
| 26 | Bala Consulting Engineers | $5,875,000 |
| 27 | Highland Associates | $5,600,000 |
| 28 | Shive-Hattery | $5,393,049 |
| 29 | Walter P Moore | $5,365,243 |
| 30 | Cardno Haynes Whaley | $5,210,293 |
| 31 | Hixson Architecture, Engineering, Interiors | $5,200,000 |
| 32 | Newcomb & Boyd | $4,875,555 |
| 33 | KCI Technologies | $4,700,000 |
| 34 | Pedco E & A Services | $4,250,000 |
| 35 | Ghafari Associates | $4,000,000 |
| 36 | KZF Design | $3,837,266 |
| 37 | Interface Engineering | $3,625,951 |
| 38 | Heapy Engineering | $3,312,190 |
| 39 | Loring Consulting Engineers | $3,300,000 |
| 40 | Wendel | $3,288,770 |
| 41 | Dunham Associates | $3,250,000 |
| 42 | TLC Engineering for Architecture | $3,193,435 |
| 43 | Luckett & Farley | $3,082,431 |
| 44 | DeSimone Consulting Engineers | $3,052,614 |
| 45 | Spectrum Engineers | $2,951,130 |
| 46 | OLA Consulting Engineers | $2,730,338 |
| 47 | Smith Seckman Reid | $2,629,255 |
| 48 | ThermalTech Engineering | $2,500,000 |
| 49 | Walker Parking Consultants | $2,495,000 |
| 50 | Primera Engineers | $2,390,551 |
| 51 | Affiliated Engineers | $2,360,000 |
| 52 | Coffman Engineers | $2,315,629 |
| 53 | KLH Engineers | $2,313,645 |
| 54 | I. C. Thomasson Associates | $2,177,000 |
| 55 | Baird, Hampton & Brown | $2,141,785 |
| 56 | Wick Fisher White | $2,120,000 |
| 57 | Kamm Consulting | $2,090,195 |
| 58 | Karpinski Engineering | $2,000,000 |
| 59 | Core States Group | $1,964,317 |
| 60 | CTLGroup | $1,900,000 |
| 61 | Mazzetti | $1,624,541 |
| 62 | JQ Engineering | $1,575,300 |
| 63 | SSOE Group | $1,450,000 |
| 64 | Graef | $1,355,627 |
| 65 | Davis, Bowen & Friedel | $1,296,783 |
| 66 | Peter Basso Associates | $1,231,603 |
| 67 | M/E Engineering | $1,172,089 |
| 68 | William Tao & Associates | $1,072,324 |
| 69 | Rist-Frost-Shumway Engineering | $1,000,000 |
| 70 | RMF Engineering | $921,800 |
| 71 | JBA Consulting Engineers | $865,525 |
| 72 | Stanley Consultants | $768,109 |
| 73 | dbHMS | $768,000 |
| 74 | G & W Engineering Corp. | $650,167 |
| 75 | Wallace Engineering | $600,000 |
| 76 | BR+A Consulting Engineers | $600,000 |
RETURN TO THE GIANTS 300 LANDING PAGE
Related Stories
| Jul 15, 2014
AECOM to buy URS Corporation in $6 billion deal
Together, the firms will form a massive global giant with more than $19 billion in revenue and 95,000 employees in 150 countries.
| Jul 15, 2014
Trade groups form task force to further transparency and optimization of building product ingredients
The Harmonization Task Group will offer marketplace benefits including consistent messaging, simplification, elimination of redundancies, and creation of more accurate, faster and less costly assessments.
| Jul 14, 2014
Meet the bamboo-tent hotel that can grow
Beijing-based design cooperative Penda designed a bamboo hotel that can easily expand vertically or horizontally.
| Jul 11, 2014
First look: Jeanne Gang reinterprets San Francisco Bay windows in new skyscraper scheme
Chicago architect Jeanne Gang has designed a 40-story residential building in San Francisco that is inspired by the city's omnipresent bay windows.
| Jul 11, 2014
Are these LEGO-like blocks the future of construction?
Kite Bricks proposes a more efficient way of building with its newly developed Smart Bricks system.
| Jul 10, 2014
Unique design of Toronto's townhome The Tree House
Plans for a new Toronto townhome brings cutting-edge design.
| Jul 10, 2014
Berkeley Lab opens 'world's most comprehensive building efficiency simulator'
DOE’s new FLEXLAB is a first-of-its-kind simulator that lets users test energy-efficient building systems individually or as an integrated system, under real-world conditions.
| Jul 9, 2014
Dragon-inspired hotel conveys Vietnamese hospitality [2014 Building Team Awards]
An international Building Team unites to create Vietnam’s first JW Marriott luxury property.
| Jul 9, 2014
The one misstep that could be slowing your company’s growth
Change. It’s inevitable. And success for any professional may very well depend on how well we adapt to it. SPONSORED CONTENT
| Jul 8, 2014
Frank Lloyd Wright's posthumous gas station opens in Buffalo
Eighty-seven years after Frank Lloyd Wright designed an ornamental gas station for the city of Buffalo, the structure has been built and opened to the public—inside an auto museum.
