| TOP 50 SCIENCE + TECHNOLOGY ENGINEERING FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | Jacobs | $51,420,000 |
| 2 | Affiliated Engineers | $29,447,000 |
| 3 | Vanderweil Engineers | $21,653,900 |
| 4 | CRB | $10,200,000 |
| 5 | RMF Engineering | $6,285,000 |
| 6 | Mazzetti | $5,199,075 |
| 7 | Thornton Tomasetti | $4,686,534 |
| 8 | Newcomb & Boyd | $3,466,430 |
| 9 | Rist-Frost-Shumway Engineering | $3,335,000 |
| 10 | Global Engineering Solutions | $3,275,000 |
| 11 | BR+A Consulting Engineers | $3,000,000 |
| 12 | Arup | $2,352,966 |
| 13 | Ghafari Associates | $2,000,000 |
| 14 | BSA LifeStructures | $1,969,607 |
| 15 | Syska Hennessy Group | $1,750,876 |
| 16 | Bridgers & Paxton Consulting Engineers | $1,667,247 |
| 17 | Environmental Systems Design | $1,571,840 |
| 18 | Jensen Hughes | $1,555,972 |
| 19 | STV | $1,378,299 |
| 20 | KJWW / TTG | $1,365,000 |
| 21 | RDK Engineers | $1,323,231 |
| 22 | Spectrum Engineers | $1,288,746 |
| 23 | Ross & Baruzzini | $1,284,549 |
| 24 | ThermalTech Engineering | $1,250,000 |
| 25 | Hankins and Anderson | $1,230,980 |
| 26 | Karpinski Engineering | $1,100,000 |
| 27 | Sherlock, Smith & Adams | $1,014,000 |
| 28 | ME Engineers | $1,000,000 |
| 29 | Cardno Haynes Whaley | $820,511 |
| 30 | Pedco E & A Services | $765,000 |
| 31 | Coffman Engineers | $698,634 |
| 32 | I. C. Thomasson Associates | $622,000 |
| 33 | Smith Seckman Reid | $511,913 |
| 34 | P2S Engineering | $504,514 |
| 35 | Glumac | $494,360 |
| 36 | Peter Basso Associates | $474,636 |
| 37 | Bala Consulting Engineers | $450,000 |
| 38 | SSOE Group | $390,000 |
| 39 | dbHMS | $384,000 |
| 40 | Henderson Engineers | $326,842 |
| 41 | William Tao & Associates | $315,389 |
| 42 | Walter P Moore | $315,202 |
| 43 | Stanley Consultants | $290,773 |
| 44 | Highland Associates | $220,000 |
| 45 | KZF Design | $216,000 |
| 46 | JBA Consulting Engineers | $131,855 |
| 47 | H.F. Lenz Company | $131,000 |
| 48 | Wiss, Janney, Elstner Associates | $100,000 |
| 49 | CTLGroup | $100,000 |
| 50 | Architectural Engineers | $79,964 |
| 51 | G & W Engineering Corp. | $50,013 |
| 52 | Dunham Associates | $50,000 |
RETURN TO THE GIANTS 300 LANDING PAGE
Related Stories
Religious Facilities | Feb 6, 2024
Top 50 Religious Facility Engineering Firms for 2023
KPFF Consulting Engineers, Wiss, Janney, Elstner Associates, Langan, Kimley-Horn, and Morrison Hershfield top BD+C's ranking of the nation's largest religious facility engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Giants 400 | Feb 5, 2024
Top 40 Entertainment Center, Cineplex, and Theme Park Engineering Firms for 2023
Kimley-Horn, EXP, BRPH Companies, and Alfa Tech Consulting Engineers top BD+C's ranking of the nation's largest entertainment center, cineplex, and theme park engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Giants 400 | Feb 5, 2024
Top 60 Shopping Mall, Big Box Store, and Strip Center Engineering Firms for 2023
Kimley-Horn, Henderson Engineers, Jacobs, WSP, and Wallace Design Collective top BD+C's ranking of the nation's largest shopping mall, big box store, and strip center engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Giants 400 | Feb 1, 2024
Top 40 Restaurant Engineering Firms for 2023
Kimley-Horn, NV5 Global, Langan, RTM Engineering Consultants, and Henderson Engineers top BD+C's ranking of the nation's largest restaurant engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Standards | Feb 1, 2024
Prioritizing water quality with the WELL Building Standard
In this edition of Building WELLness, DC WELL Accredited Professionals Hannah Arthur and Alex Kircher highlight an important item of the WELL Building Standard: water.
Giants 400 | Jan 29, 2024
Top 80 Office Core and Shell Engineering Firms for 2023
Jacobs, WSP, Alfa Tech Consulting Engineers, Thornton Tomasetti, and Burns & McDonnell top BD+C's ranking of the nation's largest office core and shell engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Giants 400 | Jan 29, 2024
Top 50 Workplace Interior Engineering Firms for 2023
AECOM, Jacobs, Alfa Tech Consulting Engineers, Tetra Tech High Performance Buildings Group, and IMEG top BD+C's ranking of the nation's largest workplace interior and interior fitout engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
Mixed-Use | Jan 29, 2024
12 U.S. markets where entertainment districts are under consideration or construction
The Pomp, a 223-acre district located 10 miles north of Fort Lauderdale, Fla., and The Armory, a 225,000-sf dining and entertainment venue on six acres in St Louis, are among the top entertainment districts in the works across the U.S.
AEC Tech | Jan 24, 2024
4 ways AEC firms can benefit from digital transformation
While going digital might seem like a playground solely for industry giants, the truth is that any company can benefit from the power of technology.
Giants 400 | Jan 23, 2024
Top 45 Parking Structure Engineering Firms for 2023
Walker Consultants, Kimley-Horn, Wiss, Janney, Elstner Associates, KPFF Consulting Engineers, and Walter P Moore head BD+C's ranking of the nation's largest parking structure engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report.
