| Rank | Company | 2013 EA Revenue ($) |
| 1 | Jacobs | 3,684,260,000 |
| 2 | AECOM Technology Corp. | 1,769,120,000 |
| 3 | Parsons Brinckerhoff | 316,350,284 |
| 4 | URS Corp. | 280,333,336 |
| 5 | Burns & McDonnell | 160,922,332 |
| 6 | Thornton Tomasetti | 145,038,225 |
| 7 | SSOE Group | 114,501,762 |
| 8 | CRB | 96,860,000 |
| 9 | Wiss, Janney, Elstner Associates | 88,887,000 |
| 10 | Dewberry | 78,770,181 |
| 11 | Leidos | 68,080,000 |
| 12 | STV | 64,756,000 |
| 13 | Walker Parking Consultants | 41,278,930 |
| 14 | H&A Architects & Engineers | 40,275,000 |
| 15 | Shive-Hattery | 35,354,309 |
| 16 | RMF Engineering | 33,375,000 |
| 17 | Highland Associates | 33,200,000 |
| 18 | Ross & Baruzzini | 28,125,074 |
| 19 | Barge Waggoner Sumner & Cannon | 24,655,000 |
| 20 | H.F. Lenz | 22,481,858 |
| 21 | Hixson Architecture, Engineering, Interiors | 22,100,000 |
| 22 | Fishbeck, Thompson, Carr & Huber | 20,400,000 |
| 23 | Newcomb & Boyd | 19,686,317 |
| 24 | Gray Construction | 18,720,000 |
| 25 | Paulus, Sokolowski and Sartor | 17,600,000 |
| 26 | Guernsey | 15,463,071 |
| 27 | Graef | 15,396,626 |
| 28 | Integrated Design Group | 13,711,800 |
| 29 | Rist-Frost-Shumway Engineering | 10,250,000 |
| 30 | Stanley Consultants | 7,925,565 |
| 31 | Davis, Bowen & Friedel | 7,150,059 |
| 32 | CTLGroup | 6,270,000 |
| 33 | Primera Engineers | 5,900,000 |
| 34 | Carlson Design Construct | 5,070,000 |
| 35 | Apogee Consulting Group | 4,068,954 |
| 36 | GRW | 3,753,047 |
| 37 | Boldt Company, The | 3,750,000 |
Read the Engineering Giants article
Read BD+C's full 2014 Giants 300 Report
Related Stories
| Feb 6, 2014
First look: Gensler ups the ante on airport design with new SFO boarding area
The new terminal features a yoga room, award-winning arts program, and an interactive play area for kids.
| Jan 28, 2014
16 awe-inspiring interior designs from around the world [slideshow]
The International Interior Design Association released the winners of its 4th Annual Global Excellence Awards. Here's a recap of the winning projects.
| Jan 13, 2014
Custom exterior fabricator A. Zahner unveils free façade design software for architects
The web-based tool uses the company's factory floor like "a massive rapid prototype machine,” allowing designers to manipulate designs on the fly based on cost and other factors, according to CEO/President Bill Zahner.
| Jan 11, 2014
Getting to net-zero energy with brick masonry construction [AIA course]
When targeting net-zero energy performance, AEC professionals are advised to tackle energy demand first. This AIA course covers brick masonry's role in reducing energy consumption in buildings.
| Dec 13, 2013
Safe and sound: 10 solutions for fire and life safety
From a dual fire-CO detector to an aspiration-sensing fire alarm, BD+C editors present a roundup of new fire and life safety products and technologies.
| Dec 10, 2013
16 great solutions for architects, engineers, and contractors
From a crowd-funded smart shovel to a why-didn’t-someone-do-this-sooner scheme for managing traffic in public restrooms, these ideas are noteworthy for creative problem-solving. Here are some of the most intriguing innovations the BD+C community has brought to our attention this year.
| Nov 27, 2013
Wonder walls: 13 choices for the building envelope
BD+C editors present a roundup of the latest technologies and applications in exterior wall systems, from a tapered metal wall installation in Oklahoma to a textured precast concrete solution in North Carolina.
| Nov 26, 2013
Construction costs rise for 22nd straight month in November
Construction costs in North America rose for the 22nd consecutive month in November as labor costs continued to increase, amid growing industry concern over the tight availability of skilled workers.
| Nov 25, 2013
Building Teams need to help owners avoid 'operational stray'
"Operational stray" occurs when a building’s MEP systems don’t work the way they should. Even the most well-designed and constructed building can stray from perfection—and that can cost the owner a ton in unnecessary utility costs. But help is on the way.
| Nov 19, 2013
Top 10 green building products for 2014
Assa Abloy's power-over-ethernet access-control locks and Schüco's retrofit façade system are among the products to make BuildingGreen Inc.'s annual Top-10 Green Building Products list.
