| TOP 80 HEALTHCARE ENGINEERING FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | AECOM | $90,000,000 |
| 2 | Jacobs | $78,010,000 |
| 3 | WSP | Parsons Brinckerhoff | $55,480,000 |
| 4 | BR+A Consulting Engineers | $46,000,000 |
| 5 | KJWW / TTG | $39,820,000 |
| 6 | Smith Seckman Reid | $38,668,017 |
| 7 | Affiliated Engineers | $36,208,000 |
| 8 | BSA LifeStructures | $31,488,415 |
| 9 | Mazzetti | $25,966,258 |
| 10 | TLC Engineering for Architecture | $21,012,432 |
| 11 | Dewberry | $18,208,638 |
| 12 | Syska Hennessy Group | $15,471,354 |
| 13 | I. C. Thomasson Associates | $13,995,000 |
| 14 | Sherlock, Smith & Adams | $13,358,000 |
| 15 | Arup | $12,904,050 |
| 16 | Thornton Tomasetti | $11,837,829 |
| 17 | Walter P Moore | $11,439,122 |
| 18 | STV | $10,189,664 |
| 19 | Shive-Hattery | $9,959,412 |
| 20 | Heapy Engineering | $9,822,814 |
| 21 | Jensen Hughes | $9,796,428 |
| 22 | Dunham Associates | $8,500,000 |
| 23 | ME Engineers | $8,450,000 |
| 24 | Environmental Systems Design | $8,383,147 |
| 25 | Vanderweil Engineers | $8,377,000 |
| 26 | RMF Engineering | $6,704,000 |
| 27 | SSOE Group | $6,440,000 |
| 28 | Glumac | $6,339,303 |
| 29 | Karpinski Engineering | $5,865,667 |
| 30 | Henderson Engineers | $5,491,789 |
| 31 | Zak Companies | $5,259,660 |
| 32 | Interface Engineering | $5,092,848 |
| 33 | Wiss, Janney, Elstner Associates | $5,090,000 |
| 34 | RDK Engineers | $5,028,815 |
| 35 | Simpson Gumpertz & Heger | $4,927,000 |
| 36 | M/E Engineering | $4,688,355 |
| 37 | CJL Engineering, Inc. | $4,407,523 |
| 38 | Ross & Baruzzini | $4,132,292 |
| 39 | Apogee Consulting Group | $3,987,400 |
| 40 | Coffman Engineers | $3,734,604 |
| 41 | Global Engineering Solutions | $3,275,000 |
| 42 | Spectrum Engineers | $3,134,694 |
| 43 | KLH Engineers | $3,069,611 |
| 44 | Cardno Haynes Whaley | $3,016,576 |
| 45 | Graef | $2,967,659 |
| 46 | Newcomb & Boyd | $2,933,965 |
| 47 | Highland Associates | $2,900,000 |
| 48 | Bridgers & Paxton Consulting Engineers | $2,882,838 |
| 49 | H.F. Lenz Company | $2,832,583 |
| 50 | P2S Engineering | $2,596,735 |
| 51 | William Tao & Associates | $2,523,115 |
| 52 | DeSimone Consulting Engineers | $2,205,646 |
| 53 | Magnusson Klemencic Associates | $2,031,457 |
| 54 | KCI Technologies | $2,000,000 |
| 55 | Peter Basso Associates | $1,712,060 |
| 56 | Fishbeck, Thompson, Carr & Huber | $1,600,000 |
| 57 | Burns & McDonnell | $1,537,182 |
| 58 | OLA Consulting Engineers | $1,194,200 |
| 59 | Ghafari Associates | $1,150,000 |
| 60 | Loring Consulting Engineers | $1,000,000 |
| 61 | Luckett & Farley | $851,219 |
| 62 | Wick Fisher White | $804,000 |
| 63 | Bala Consulting Engineers | $705,000 |
| 64 | Stanley Consultants | $646,564 |
| 65 | JQ Engineering | $629,300 |
| 66 | G & W Engineering Corp. | $600,154 |
| 67 | Pedco E & A Services | $578,000 |
| 68 | JBA Consulting Engineers | $565,560 |
| 69 | Baird, Hampton & Brown | $564,032 |
| 70 | Primera Engineers | $557,865 |
| 71 | ThermalTech Engineering | $500,000 |
| 72 | Wallace Engineering | $500,000 |
| 73 | Davis, Bowen & Friedel | $474,250 |
| 74 | CTLGroup | $400,000 |
| 75 | dbHMS | $384,000 |
| 76 | Rist-Frost-Shumway Engineering | $300,000 |
| 77 | Yates Companies, The | $300,000 |
| 78 | Architectural Engineers | $297,491 |
| 79 | Kamm Consulting | $233,620 |
| 80 | Wendel | $218,557 |
| 81 | Woolpert | $218,243 |
| 82 | GHT Limited | $100,000 |
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