| TOP 50 DATA CENTER ENGINEERING FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | Vanderweil Engineers | $41,247,200 |
| 2 | Jacobs | $40,110,000 |
| 3 | Syska Hennessy Group | $38,578,562 |
| 4 | Environmental Systems Design | $14,670,507 |
| 5 | Highland Associates | $9,100,000 |
| 6 | Dewberry | $8,997,875 |
| 7 | Newcomb & Boyd | $4,683,201 |
| 8 | Ghafari Associates | $4,000,000 |
| 9 | Arup | $3,727,928 |
| 10 | Glumac | $2,971,198 |
| 11 | H.F. Lenz Company | $2,728,653 |
| 12 | Affiliated Engineers | $2,714,000 |
| 13 | Burns & McDonnell | $2,500,000 |
| 14 | KZF Design | $2,197,624 |
| 15 | Zak Companies | $2,001,673 |
| 16 | Bala Consulting Engineers | $1,880,000 |
| 17 | Ross & Baruzzini | $1,831,648 |
| 18 | Wick Fisher White | $1,720,000 |
| 19 | Core States Group | $1,640,527 |
| 20 | Cardno Haynes Whaley | $1,357,825 |
| 21 | RMF Engineering | $1,257,000 |
| 22 | Magnusson Klemencic Associates | $1,255,913 |
| 23 | WSP | Parsons Brinckerhoff | $1,238,000 |
| 24 | Dunham Associates | $1,050,000 |
| 25 | KJWW / TTG | $1,049,086 |
| 26 | Wendel | $1,005,965 |
| 27 | SSOE Group | $980,000 |
| 28 | Bridgers & Paxton Consulting Engineers | $900,406 |
| 29 | Thornton Tomasetti | $833,542 |
| 30 | JBA Consulting Engineers | $816,632 |
| 31 | Henderson Engineers | $793,735 |
| 32 | Heapy Engineering | $689,595 |
| 33 | RDK Engineers | $646,020 |
| 34 | TLC Engineering for Architecture | $629,411 |
| 35 | Apogee Consulting Group | $592,000 |
| 36 | CRB | $520,000 |
| 37 | William Tao & Associates | $504,623 |
| 38 | Jensen Hughes | $393,599 |
| 39 | I. C. Thomasson Associates | $373,200 |
| 40 | Mazzetti | $346,401 |
| 41 | Pedco E & A Services | $317,000 |
| 42 | Wiss, Janney, Elstner Associates | $250,000 |
| 43 | Karpinski Engineering | $250,000 |
| 44 | GHT Limited | $225,000 |
| 45 | Hankins and Anderson | $206,415 |
| 46 | Spectrum Engineers | $194,055 |
| 47 | Smith Seckman Reid | $183,242 |
| 48 | ThermalTech Engineering | $150,000 |
| 49 | CJL Engineering, Inc. | $122,099 |
| 50 | Interface Engineering | $121,130 |
| 51 | KCI Technologies | $100,000 |
RETURN TO THE GIANTS 300 LANDING PAGE
Related Stories
Giants 400 | Jan 11, 2024
Top 30 Convention Center Engineering Firm for 2023
Walter P Moore, KPFF Consulting Engineers, AECOM, Tetra Tech, and ESD head BD+C's ranking of the nation's largest convention center and event facility engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Designers | Jan 8, 2024
DLR Group adds executive leaders
DLR Group Chief Executive Officer Steven McKay, AIA, RIBA, announced new executive leaders for the 100% employee-owned, globally integrated design firm.
AEC Tech | Jan 8, 2024
What's driving the surge of digital transformation in AEC today?
For centuries, the AEC industry has clung to traditional methods and legacy processes—seated patterns that have bred resistance to change. This has made the adoption of new technologies a slow and hesitant process.
Giants 400 | Jan 8, 2024
Top 40 Senior Living Facility Engineering Firms for 2023
Kimley-Horn, Olsson, Tetra Tech, EXP, and IMEG head BD+C's ranking of the nation's largest senior living facility engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
K-12 Schools | Jan 8, 2024
Video: Learn how DLR Group converted two big-box stores into an early education center
Learn how the North Kansas City (Mo.) School District and DLR Group adapted two big-box stores into a 115,000-sf early education center offering services for children with special needs.
Green | Jan 8, 2024
DOE releases RFI on developing national definition for a Zero Emissions Building
The Department of Energy released a Request for Information (RFI) for feedback from industry, academia, research laboratories, government agencies, and other stakeholders on a draft national definition for a Zero Emissions Building.
Codes and Standards | Jan 8, 2024
Australia to be first country to ban engineered stone countertops
In 2024, Australia will be the first country to ban engineered stone countertops. The ban came after a years-long campaign supported by doctors, trade unions, and workers over concerns that the material was causing increased silicosis cases among workers cutting and handling it.
Roofing | Jan 8, 2024
Researchers devise adaptive roof tile concept that adjusts to ambient temperatures
Scientists at the University of California Santa Barbara published a paper that proposes adaptive roof tile technology that can adjust to ambient temperatures. Using a wax motor, tiles could switch from a heating or cooling state enabling savings on heating and cooling costs.
MFPRO+ Special Reports | Jan 4, 2024
Top 10 trends in multifamily rental housing
Demographic and economic shifts, along with work and lifestyle changes, have made apartment living preferable for a wider range of buyers and renters. These top 10 trends in multifamily housing come from BD+C's 2023 Multifamily Annual Report.
Giants 400 | Jan 3, 2024
Top 70 Reconstruction Engineering Firms for 2023
Integrated Project Services, Alfa Tech, WSP, CRB Group, and McKinstry head BD+C's ranking of the nation's largest building reconstruction/renovation engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
