| 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
Architects | Aug 10, 2015
HDR expands its Canadian presence through merger with CEI Architecture
Public-private partnerships are expected to be one of the combined entity’s strengths.
Retail Centers | Aug 10, 2015
Walgreens’ flagship in Hawaii harkens back to the island’s fishing culture
A house where canoes were made served as the model for this drug superstore’s design.
Giants 400 | Aug 7, 2015
GOVERNMENT SECTOR GIANTS: Public sector spending even more cautiously on buildings
AEC firms that do government work say their public-sector clients have been going smaller to save money on construction projects, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
K-12 SCHOOL SECTOR GIANTS: To succeed, school design must replicate real-world environments
Whether new or reconstructed, schools must meet new demands that emanate from the real world and rapidly adapt to different instructional and learning modes, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
MULTIFAMILY AEC GIANTS: Slowdown prompts developers to ask: Will the luxury rentals boom hold?
For the last three years, rental apartments have occupied the hot corner in residential construction, as younger people gravitated toward renting to be closer to urban centers and jobs. But at around 360,000 annual starts, multifamily might be peaking, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
UNIVERSITY SECTOR GIANTS: Collaboration, creativity, technology—hallmarks of today’s campus facilities
At a time when competition for the cream of the student/faculty crop is intensifying, colleges and universities must recognize that students and parents are coming to expect an education environment that foments collaboration, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
RECONSTRUCTION AEC GIANTS: Restorations breathe new life into valuable older buildings
AEC Giants discuss opportunities and complications associated with renovation, restoration, and adaptive reuse construction work.
BIM and Information Technology | Aug 6, 2015
After refueling its capital tank, WeWork acquires BIM consultant Case
The merger is expected to help standardize how WeWork designs and builds out office space.
Giants 400 | Aug 6, 2015
BIM GIANTS: Robotic reality capture, gaming systems, virtual reality—AEC Giants continue tech frenzy
Given their size, AEC Giants possess the resources and scale to research and test the bevy of software and hardware solutions on the market. Some have created internal innovation labs and fabrication shops to tinker with emerging technologies and create custom software tools. Others have formed R&D teams to test tech tools on the job site.
Giants 400 | Aug 6, 2015
GIANTS 300 REPORT: Top 115 Healthcare Architecture Firms
HDR, Stantec, and Perkins+Will top Building Design+Construction's 2015 ranking of the largest healthcare architecture and architecture/engineering firms in the U.S.
