| Rank | Company | 2012 Healthcare Revenue ($) |
| 1 | AECOM Technology Corp. | $180,210,000 |
| 2 | Jacobs Engineering Group | $77,100,000 |
| 3 | URS Corp. | $43,327,332 |
| 4 | Smith Seckman Reid | $40,105,600 |
| 5 | KPFF Consulting Engineers | $30,000,000 |
| 6 | Affiliated Engineers | $28,217,000 |
| 7 | TTG | $24,719,905 |
| 8 | Parsons Brinckerhoff | $22,700,000 |
| 9 | Dewberry | $21,226,702 |
| 10 | Allen & Shariff | $20,300,000 |
| 11 | Bard, Rao + Athanas Consulting Engineers | $19,000,000 |
| 12 | KJWW Engineering Consultants | $18,937,680 |
| 13 | Mazzetti | $18,293,579 |
| 14 | Degenkolb Engineers | $18,070,782 |
| 15 | CCRD Partners | $18,000,000 |
| 16 | Burns & McDonnell | $16,375,000 |
| 17 | TLC Engineering for Architecture | $13,500,933 |
| 18 | Syska Hennessy Group | $11,495,282 |
| 19 | AKF Group | $10,770,000 |
| 20 | Arup | $9,244,250 |
| 21 | Shive-Hattery | $8,381,840 |
| 22 | Heapy Engineering | $8,159,633 |
| 23 | Zak Companies | $7,640,496 |
| 24 | M-E Engineers | $7,200,000 |
| 24 | RMF Engineering Design | $7,200,000 |
| 26 | Thornton Tomasetti | $6,858,953 |
| 27 | Sparling | $6,768,165 |
| 28 | Buro Happold Consulting Engineers | $6,520,000 |
| 29 | Rolf Jensen & Associates | $6,400,000 |
| 30 | Walter P Moore | $6,232,472 |
| 31 | Michael Baker Jr. | $6,200,000 |
| 32 | SSOE Group | $6,192,909 |
| 33 | Simpson Gumpertz & Heger | $5,700,000 |
| 34 | M/E Engineering | $5,671,750 |
| 35 | Wiss, Janney, Elstner Associates | $5,390,000 |
| 36 | Dunham Associates | $5,000,000 |
| 37 | Vanderweil Engineers | $4,846,600 |
| 38 | Interface Engineering | $4,633,068 |
| 39 | RDK Engineers | $4,572,000 |
| 40 | Karpinski Engineering | $4,438,224 |
| 41 | Clark Nexsen | $4,167,051 |
| 42 | Peter Basso Associates | $4,066,000 |
| 43 | Aon Fire Protection Engineering | $4,000,728 |
| 44 | H.F. Lenz | $3,983,000 |
| 45 | Newcomb & Boyd | $3,942,400 |
| 46 | Bridgers & Paxton Consulting Engineers | $3,879,844 |
| 47 | STV | $3,735,000 |
| 48 | Walker Parking Consultants | $3,719,693 |
| 49 | Science Applications International Corp. | $3,621,708 |
| 50 | Eaton Energy Solutions | $3,502,239 |
| 51 | KCI Technologies | $3,500,000 |
| 52 | Coffman Engineers | $3,350,000 |
| 53 | Spectrum Engineers | $3,338,950 |
| 54 | Glumac | $3,296,000 |
| 55 | WSP USA | $2,411,684 |
| 56 | CJL Engineering | $2,390,686 |
| 57 | Environmental Systems Design | $2,383,822 |
| 58 | KLH Engineers | $2,100,000 |
| 59 | Rist-Frost-Shumway Engineering | $2,000,000 |
| 60 | Apogee Consulting Group | $1,582,000 |
| 61 | Ross & Baruzzini | $1,505,511 |
| 62 | Henderson Engineers | $1,469,261 |
| 63 | Brinjac Engineering | $1,367,836 |
| 64 | GRAEF | $1,335,473 |
| 65 | ThermalTech Engineering | $1,300,000 |
| 66 | Haynes Whaley Associates | $1,226,927 |
| 67 | Bergmann Associates | $1,177,000 |
| 68 | Wick Fisher White | $1,137,773 |
| 69 | Magnusson Klemencic Associates | $1,053,699 |
| 70 | Bala Consulting Engineers | $850,000 |
| 71 | OLA Consulting Engineers | $750,000 |
| 72 | CTLGroup | $700,000 |
| 72 | French & Parrello Associates | $700,000 |
| 74 | Primera Engineers | $620,000 |
| 75 | FBA Engineering | $400,000 |
| 76 | Joseph R. Loring & Associates | $280,000 |
| 77 | G&W Engineering | $232,000 |
| 78 | Wallace Engineering | $225,000 |
| 79 | Stanley Consultants | $219,880 |
| 80 | Davis, Bowen & Friedel | $187,632 |
| 81 | Paulus, Sokolowski and Sartor | $150,000 |
| 82 | P2S Engineering | $76,079 |
| 83 | Total Building Commissioning | $46,144 |
| 84 | Kamm Consulting | $21,025 |
| 85 | Guernsey | $11,668 |
Read the Healthcare Giants article
Read BD+C's full Giants 300 Report
Related Stories
| Jul 18, 2014
Engineering firms look to bolster growth through new services, technology [2014 Giants 300 Report]
Following solid revenue growth in 2013, the majority of U.S.-based engineering and engineering/architecture firms expect more of the same this year, according to BD+C’s 2014 Giants 300 report.
| Jul 18, 2014
Top Engineering/Architecture Firms [2014 Giants 300 Report]
Jacobs, AECOM, Parsons Brinckerhoff top Building Design+Construction's 2014 ranking of the largest engineering/architecture firms in the United States.
| Jul 18, 2014
Top Engineering Firms [2014 Giants 300 Report]
Fluor, Arup, Day & Zimmermann top Building Design+Construction's 2014 ranking of the largest engineering firms in the United States.
| Jul 18, 2014
Top Architecture Firms [2014 Giants 300 Report]
Gensler, Perkins+Will, NBBJ top Building Design+Construction's 2014 ranking of the largest architecture firms in the United States.
| Jul 18, 2014
2014 Giants 300 Report
Building Design+Construction magazine's annual ranking the nation's largest architecture, engineering, and construction firms in the U.S.
| Jul 17, 2014
A new, vibrant waterfront for the capital
Plans to improve Washington D.C.'s Potomac River waterfront by Maine Ave. have been discussed for years. Finally, The Wharf has started its first phase of construction.
| Jul 17, 2014
A harmful trade-off many U.S. green buildings make
The Urban Green Council addresses a concern that many "green" buildings in the U.S. have: poor insulation.
| Jul 17, 2014
A high-rise with outdoor, vertical community space? It's possible! [slideshow]
Danish design firm C.F. Møller has developed a novel way to increase community space without compromising privacy or indoor space.
| Jul 17, 2014
How the 'pop-up' retail concept can be applied to workplace design
“Pop-up” has rapidly become one of the most pervasive design trends in recent years. It has given us pop-up shops and pop-up restaurants, but can it be applied to the professional work environment?
Sponsored | | Jul 17, 2014
A major hop forward
The construction of efficient metal buildings has helped Perrault Farms expand its hops-harvesting business.
