| Rank | Company | 2012 Data Center Revenue ($) |
| 1 | Fluor | $235,678,900 |
| 2 | Syska Hennessy Group | $36,735,434 |
| 3 | Jacobs Engineering Group | $36,700,000 |
| 4 | H&A Architects & Engineers | $35,427,599 |
| 5 | URS Corp. | $26,229,049 |
| 6 | Environmental Systems Design | $10,575,892 |
| 7 | Parsons Brinckerhoff | $10,300,000 |
| 8 | H.F. Lenz | $7,357,000 |
| 9 | Science Applications International Corp. | $6,760,598 |
| 10 | AKF Group | $6,602,000 |
| 11 | Clark Nexsen | $5,166,474 |
| 12 | Arup | $4,562,202 |
| 13 | KPFF Consulting Engineers | $4,000,000 |
| 14 | Michael Baker Jr. | $3,840,000 |
| 15 | Vanderweil Engineers | $3,761,500 |
| 16 | Bala Consulting Engineers | $3,630,000 |
| 17 | Glumac | $3,142,000 |
| 18 | Zak Companies | $2,648,017 |
| 19 | RMF Engineering Design | $2,500,000 |
| 20 | Guernsey | $2,450,838 |
| 21 | GHT Limited | $2,400,000 |
| 22 | Degenkolb Engineers | $2,156,452 |
| 23 | Ross & Baruzzini | $2,120,725 |
| 24 | Sparling | $1,930,962 |
| 25 | Wick Fisher White | $1,706,660 |
| 26 | Thornton Tomasetti | $1,517,448 |
| 27 | CCRD Partners | $1,400,000 |
| 28 | Bridgers & Paxton Consulting Engineers | $1,349,511 |
| 29 | RDK Engineers | $1,116,000 |
| 30 | ThermalTech Engineering | $1,000,000 |
| 31 | Affiliated Engineers | $971,000 |
| 32 | Henderson Engineers | $944,577 |
| 33 | Joseph R. Loring & Associates | $915,000 |
| 34 | Haynes Whaley Associates | $698,598 |
| 35 | CJL Engineering | $649,643 |
| 36 | TLC Engineering for Architecture | $641,335 |
| 37 | Mazzetti | $636,626 |
| 38 | WSP USA | $556,800 |
| 39 | Aon Fire Protection Engineering | $500,000 |
| 39 | Dewberry | $500,000 |
| 39 | Dunham Associates | $500,000 |
| 39 | KCI Technologies | $500,000 |
| 39 | TTG | $500,000 |
| 44 | M-E Engineers | $300,000 |
| 44 | Paulus, Sokolowski and Sartor | $300,000 |
| 46 | Interface Engineering | $252,504 |
| 47 | Barge, Waggoner, Sumner and Cannon | $200,000 |
| 47 | OLA Consulting Engineers | $200,000 |
| 47 | Rolf Jensen & Associates | $200,000 |
| 50 | Karpinski Engineering | $177,164 |
| 51 | Apogee Consulting Group | $158,000 |
| 52 | Magnusson Klemencic Associates | $156,304 |
| 53 | Total Building Commissioning | $146,395 |
| 54 | SSOE Group | $123,314 |
| 55 | GRW | $121,135 |
| 56 | Newcomb & Boyd | $95,355 |
| 57 | Allen & Shariff | $65,000 |
| 58 | Brinjac Engineering | $58,971 |
| 59 | CTLGroup | $50,000 |
| 60 | Spectrum Engineers | $49,934 |
| 61 | Eaton Energy Solutions | $46,204 |
| 62 | P2S Engineering | $45,830 |
| 63 | Kamm Consulting | $29,084 |
Read the Data Center Giants article
Read BD+C's full Giants 300 Report
Related Stories
| Jun 13, 2017
Accelerate Live! talk: The future of computational design, Ben Juckes, Yazdani Studio of CannonDesign
Yazdani’s Ben Juckes discusses the firm’s tech-centric culture, where scripting has become an every-project occurrence and each designer regularly works with computational tools as part of their basic toolset.
Architects | Jun 7, 2017
Build your very own version of Frank Lloyd Wright’s Guggenheim Museum with this new LEGO set
744 LEGO bricks are used to recreate the famous Wright design, including the 1992 addition.
Multifamily Housing | Jun 7, 2017
Multifamily visionary: The life and work of architect David Baker
For 35 years, architect David Baker has been a spirited voice for affordable housing, in San Francisco and beyond.
| Jun 2, 2017
Accelerate Live! talk: How maker culture is transforming Sasaki’s design practice
Sasaki’s Pablo Savid-Buteler and Brad Prestbo talk about how the firm’s maker initiatives are changing the way Sasaki goes to market, and how they are helping the firm win new business.
Higher Education | May 31, 2017
Space utilization in higher education: more than sf per student
There’s more to space utilization than how often a room is occupied. What happens inside an occupied room is just as important.
| May 30, 2017
Accelerate Live! talk: The ROI of innovation culture, Russ Sykes, SmithGroupJJR
Russ Sykes discusses SmithGroupJJR’s ongoing journey to create a firm culture that ignites innovation and propels change across all levels of the organization.
| May 30, 2017
Accelerate Live! talk: Finding the money for your clients' projects, Paul Westlake, Jr., DLR Group|WRL
Architect Paul Westlake, Jr., shares his methods for adding value to projects through creative financing.
| May 30, 2017
Accelerate Live! talk: Health-generating buildings, Marcene Kinney, Angela Mazzi, GBBN Architects
Architects Marcene Kinney and Angela Mazzi share design hacks pinpointing specific aspects of the built environment that affect behavior, well-being, and performance.
![Sun, sky brightness, and glow: Making the most of daylight [AIA course]](/sites/default/files/styles/list_big/public/datylight.jpg?itok=akEDpIQ8 "Sun, sky brightness, and glow: Making the most of daylight [AIA course]")
Daylighting | May 30, 2017
Sun, sky brightness, and glow: Making the most of daylight [AIA course]
To some project teams, “daylighting” means using glass area to admit direct sunlight, period.
![Security begins when you close the door [AIA course]](/sites/default/files/styles/list_big/public/security.jpg?itok=NVwecLpz "Security begins when you close the door [AIA course]")
Security/Fire Protection | May 30, 2017
Security begins when you close the door [AIA course]
Selecting door and window systems for any building project demands a complete articulation of safety and security concerns.
