| 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
Sponsored | | Nov 19, 2014
Long-life coatings vs. long-life screws
Are you concerned with the long-life protection of your metal building project? SPONSORED CONTENT
Sponsored | | Nov 19, 2014
Fire resistive, blast-resistant glazing: Where security, safety, and transparency converge
Security, safety and transparency don’t have to be mutually exclusive thanks to new glazing technology designed to support blast and fire-resistant secure buildings. SPONSORED CONTENT
| Nov 19, 2014
Must see: Arup, Damian Rogers propose urban surf park in Melbourne
The surfing pool would offer 98-foot-wide waves that would run the length of the 500-foot-long enclave.
| Nov 18, 2014
Architecture Billings Index dips in October, still shows positive outlook design services
Headed by the continued strength in the multifamily residential market and the emerging growth for institutional projects, demand for design services continues to be healthy, as exhibited in the latest Architecture Billings Index.
| Nov 18, 2014
New tool helps developers, contractors identify geographic risk for construction
The new interactive tool from Aon Risk Solutions provides real-time updates pertaining to the risk climate of municipalities across the U.S.
| Nov 18, 2014
Grimshaw releases newest designs for world’s largest airport
The airport is expected to serve 90 million passengers a year on the opening of the first phase, and more than 150 million annually after project completion in 2018.
| Nov 17, 2014
Nearly two years after Sandy Hook, the bloodshed continues
It’s been almost two years since 20 first-graders were shot and killed at Sandy Hook Elementary School in Newtown, Conn., but these incidents, both planned and random, keep occurring, writes BD+C's Robert Cassidy.
| Nov 17, 2014
Hospitality at the workplace: 5 ways hotels are transforming the office
During the past five years, the worlds of hospitality and corporate real estate have undergone an incredible transformation. The traditional approach toward real estate asset management has shifted to a focus on offerings that accommodate mobility, changing demographics, and technology, writes HOK's Eva Garza.
| Nov 17, 2014
Developments in 3D printing can assist architecture in the smallest details
Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) have developed a way for 3D printed metals to be produced with an unprecedented degree of precision.
| Nov 17, 2014
A new BSL-3 public-safety lab debuts in Vermont
The laboratory will be used to perform a wide range of analyses to detect biological, toxicological, chemical, and radiological threats to the health of the population, from testing for rabies, West Nile, pertussis and salmonella to water and food contaminants.
