TOP 40 ELECTRICAL DESIGN FIRMS 2021 Ranking 2020 Ranking Company Location Revenue Specifically Related to Electrical Design Work in 2020 (millions) % Change (2019 to 2020) Kansas City, Mo. $583.7 7.0% 1 1 Burns & McDonnell 2 2 Stantec, Inc. Edmonton, Alberta, Canada $290.4 5.6% 3 3 Tetra Tech, Inc. Pasadena, Calif. $207.0 7.8% 4 4 Mott MacDonald Iselin, N.J. $180.0 -0.4% 5 5 Mesa Associates, Inc. Madison, Ala. $126.3 20.3% 6 9 Ulteig Engineers, Inc. Fargo, N.D. $79.6 83.4% 7 7 Stanley Consultants Muscatine, Iowa $63.9 -4.8% 8 8 Carollo Engineers, Inc. Phoenix $59.5 -4.3% 9 NL Santa Ana, Calif. $49.4 NA Salas O’Brien 10 6 Henderson Engineers Lenexa, Kan. $47.6 -40.5% 11 12 Burns Engineering, Inc. Philadelphia $41.8 4.0% 12 10 Syska Hennessy Group New York $41.4 -2.4% 13 11 Gannett Fleming Camp Hill, Pa. $40.2 -4.3% 14 13 Commonwealth Associates, Inc. Jackson, Mich. $39.0 3.7% 15 NL M.C. Dean 16 14 Affiliated Engineers, Inc. 17 18 CHA Consulting, Inc. 18 19 Faith Technologies, Inc. 19 16 Brown and Caldwell Engineering 20 21 TLC Engineering Solutions, Inc. 21 20 Jaros, Baum & Bolles 22 28 CannonDesign 23 33 Arora Engineers, Inc. 24 26 RMF Engineering, Inc. 25 30 NEI Electric Power Engineering 26 22 P2S, Inc. 27 31 28 35 29 28 Concord Engineering Group, Inc. 30 25 HED (Harley Ellis Devereaux) 31 27 CDM Smith 32 NL Spectrum Engineers 33 NL Newcomb & Boyd 34 NL 35 32 36 35 37 24 Smith Seckman Reid, Inc. 38 39 Core States Group 39 34 Mazetti Tysons, Va. $38.9 NA Madison, Wis. $38.0 4.1% Albany, N.Y. $34.9 15.9% Menasha, Wis. $33.3 18.1% Walnut Creek, Calif. $32.1 -6.7% Orlando, Fla. $27.9 17.7% New York $22.7 -14.7% New York $18.0 28.6% Chadds Ford, Pa. $17.7 78.8% Baltimore, Md. $17.0 10.4% Lakewood, Colo. $16.0 23.1% Long Beach, Calif. $14.5 -23.3% Mason & Hanger Lexington, Ky. $10.1 -20.5% Heapy Dayton, Ohio $12.1 31.5% Voorhees, N.J. $12.0 -14.3% Southfield, Mich. $11.4 -26.9% Boston $11.3 -25.7% Salt Lake City $10.8 NA Atlanta $10.3 NA Power Design St. Petersburg, Fla. $10.0 NA Interstates, Inc. Sioux Center, Iowa $9.8 -5.8% Bridgers & Paxton Consulting Engineers, Inc. Albuquerque, N.M. $9.3 1.1% Nashville, Tenn. $9.0 -48.0% Duluth, Ga. $8.72 8.8% San Francisco $8.7 -10.3% 40 37 PBS Engineers, Inc. Glendora, Calif. $7.2 -21.7% Notes: List based on proprietary survey. To get on the list to receive the survey for next year, please contact Editor-in-Chief Ellen Parson at eparson@ endeavorb2b.com or call (816) 560-6448. NL - Not listed. This company did not appear in last year’s electrical design services revenue listing. NA - Not available.