| Rank | Company | 2013 Healthcare Revenue |
| 1 | AECOM Technology Corp. | 180,760,000 |
| 2 | Jacobs | 87,770,000 |
| 3 | URS Corp. | 45,036,525 |
| 4 | Smith Seckman Reid | 40,105,600 |
| 5 | KPFF Consulting Engineers | 38,000,000 |
| 6 | Allen & Shariff | 36,000,000 |
| 7 | BR+A Consulting Engineers | 29,900,000 |
| 8 | Affiliated Engineers | 27,947,000 |
| 9 | CCRD Partners | 23,760,000 |
| 10 | Burns & McDonnell | 19,810,000 |
| 11 | Parsons Brinckerhoff | 17,950,364 |
| 12 | KJWW Engineering Consultants | 17,848,081 |
| 13 | Mazzetti | 16,963,459 |
| 14 | AKF Group | 16,432,000 |
| 15 | STV | 16,419,000 |
| 16 | TTG | 15,224,500 |
| 17 | Dewberry | 15,179,608 |
| 18 | Degenkolb Engineers | 12,635,148 |
| 19 | TLC Engineering for Architecture | 11,667,359 |
| 20 | Zak Companies | 11,620,500 |
| 21 | Syska Hennessy Group | 10,910,770 |
| 22 | Arup | 10,609,311 |
| 23 | Heapy Engineering | 10,211,094 |
| 24 | M-E Engineers | 9,657,000 |
| 25 | I. C. Thomasson Associates | 9,400,000 |
| 26 | Thornton Tomasetti | 7,774,388 |
| 27 | Shive-Hattery | 7,686,286 |
| 28 | RMF Engineering | 7,100,000 |
| 29 | Sparling | 6,566,306 |
| 30 | Wiss, Janney, Elstner Associates | 6,240,000 |
| 31 | RDK Engineers | 5,500,000 |
| 32 | Dunham Associates | 5,500,000 |
| 33 | Karpinski Engineering | 5,307,808 |
| 34 | M/E Engineering | 5,163,876 |
| 35 | SSOE Group | 5,111,297 |
| 36 | Simpson Gumpertz & Heger | 5,110,000 |
| 37 | Highland Associates | 4,900,000 |
| 38 | Vanderweil Engineers | 4,566,200 |
| 39 | KCI Technologies | 4,500,000 |
| 40 | Coffman Engineers | 4,202,872 |
| 41 | Environmental Systems Design | 4,142,911 |
| 42 | H.F. Lenz | 4,050,740 |
| 43 | Ross & Baruzzini | 3,980,169 |
| 44 | Interface Engineering | 3,888,841 |
| 45 | Newcomb & Boyd | 3,651,012 |
| 46 | Glumac | 3,605,075 |
| 47 | WSP Group | 3,490,000 |
| 48 | Bridgers & Paxton Consulting Engineers | 3,326,881 |
| 49 | CJL Engineering | 3,093,720 |
| 50 | Henderson Engineers | 3,042,727 |
| 51 | Aon Fire Protection Engineering Corp. | 3,000,000 |
| 52 | KLH Engineers | 2,168,871 |
| 53 | Graef | 2,092,951 |
| 54 | Apogee Consulting Group | 2,080,275 |
| 55 | Primera Engineers | 2,032,000 |
| 56 | Martin/Martin | 1,693,693 |
| 57 | DeSimone Consulting Engineers | 1,693,478 |
| 58 | Spectrum Engineers | 1,664,669 |
| 59 | Brinjac Engineering | 1,299,629 |
| 60 | Wick Fisher White | 1,027,071 |
| 61 | Wallace Engineering | 853,000 |
| 62 | Magnusson Klemencic Associates | 809,347 |
| 63 | Bala Consulting Engineers | 687,000 |
| 64 | Walter P Moore and Associates | 683,315 |
| 65 | Fishbeck, Thompson, Carr & Huber | 600,000 |
| 66 | Davis, Bowen & Friedel | 590,125 |
| 67 | P2S Engineering | 557,346 |
| 68 | OLA Consulting Engineers | 492,000 |
| 69 | Joseph R. Loring & Associates | 480,000 |
| 70 | CTLGroup | 410,000 |
| 71 | Rist-Frost-Shumway Engineering | 400,000 |
| 72 | French & Parrello Associates | 385,000 |
| 73 | ThermalTech Engineering | 350,000 |
| 74 | G&W Engineering Corp. | 191,800 |
| 75 | Paulus, Sokolowski and Sartor | 180,000 |
| 76 | Leidos | 170,000 |
| 77 | Stanley Consultants | 157,889 |
| 78 | Total Building Commissioning | 135,837 |
| 79 | GHT Limited | 100,000 |
| 80 | H&A Architects & Engineers | 75,000 |
| 81 | GRW | 53,200 |
| 82 | Kamm Consulting | 51,660 |
| 83 | Guernsey | 5,361 |
Read the Healthcare Giants article
Read BD+C's full 2014 Giants 300 Report
Related Stories
Healthcare Facilities | Jul 20, 2016
Process mapping simplifies healthcare design
Charting procedures and highlighting improvement opportunities can lead to developing effective design strategy simulations. GS&P’s Ray Wong writes that process mapping adds value to a project and bolsters team and stakeholder collaboration.
Architects | Jul 20, 2016
AIA: Architecture Billings Index remains on solid footing
The June ABI score was down from May, but the figure was positive for the fifth consecutive month.
| Jul 19, 2016
2016 GIANTS 300 REPORT: Ranking the nation's largest architecture, engineering, and construction firms
Now in its 40th year, BD+C’s annual Giants 300 report ranks AEC firms by discipline and across more than 20 building sectors and specialty services.
Architects | Jul 18, 2016
17 buildings designed by Le Corbusier added to UNESCO World Heritage List
The sites are spread across seven counties and were built over the course of 50 years. Le Corbusier, an architect, designer, and urban planner, was a founder of modern architecture.
Multifamily Housing | Jul 18, 2016
Four residential projects named winners of the 2016 AIA/HUD Secretary Awards
Affordable housing, specialized housing, and accessible housing projects were honored.
Sports and Recreational Facilities | Jul 18, 2016
Turner and AECOM will build the Los Angeles Rams’ new multi-billion dollar stadium project
The 70,000-seat stadium will be ready by the 2019 NFL season. The surrounding mixed-use development includes space for retail, hotels, and public parks.
High-rise Construction | Jul 15, 2016
Zaha Hadid designs geometric flower-shaped tower for sustainable Qatar city
The 38-story building will have a mashrabiya latticed facade with hotel and residential space inside.
Building Team | Jul 11, 2016
Design-assist: The way to really fly [AIA course]
Experts explain the benefits of DA, a process where the subcontractors are retained to assist other Building Team members in the development of a design. Earn 1.0 AIA CES learning units by reading and taking the exam.
Building Team | Jul 11, 2016
Addressing client concerns about design-assist
Common concerns about DA include lack of familiarity, obtaining competitive pricing, and design liability.
Sponsored | Building Team | Jul 11, 2016
Construction Disruption at AECX: Technology, hackathons and the promise of change in LA
The lead up to AECX featured a discussion providing insight into the current state of the AEC technological revolution by exploring opportunities, challenges and choices AEC pros face.
