Rank
Firm Name
Location
Gross Revenue
($ US)
Gross MEP Design Revenue ($ US)
Total MEP Revenue %
U.S. Projects MEP Revenue %
Total MEP/FP Engineers
1
Jacobs
Pasadena, CA, U.S.
$12,695,157,000
$1,946,496,649
15%
15%
4,245
2
Black & Veatch
Overland Park, KS, U.S.
$3,000,000,000
$987,000,000
33%
32%
1,137
3
AECOM
Los Angeles, CA, U.S.
$10,300,000,000
$721,000,000
7%
7%
2,463
4
Burns & McDonnell
Kansas City, MO, U.S.
$2,473,197,355
$194,785,772
8%
90%
1,441
5
Stantec Inc.
Edmonton, AB, Canada
$2,290,347,752
$124,289,551
5%
32%
385
6
WSP | Parsons Brinckerhoff in the USA
New York, NY, U.S.
$1,093,770,000
$111,385,585
10%
89%
610
7
HDR
Omaha, NE, U.S.
$1,941,903,711
$107,134,704
6%
18%
393
8
Syska Hennessy Group
New York, NY, U.S.
$100,406,189
$100,406,189
100%
92%
302
9
Affiliated Engineers Inc.
Madison, WI, U.S.
$101,735,000
$96,138,000
94%
96%
269
10
Arup
New York, NY, U.S.
$274,845,290
$95,593,417
35%
35%
277
11
Vanderweil Engineers
Boston, MA, U.S.
$110,079,949
$86,672,574
79%
93%
264
12
CRB Consulting Engineers Inc.
Kansas City, MO, U.S.
$109,062,166
$86,387,024
79%
90%
167
13
JENSEN HUGHES
Baltimore, MD, U.S.
$114,000,000
$80,000,000
70%
90%
157
14
exp
Brampton, ON, Canada
$333,577,240
$78,082,313
23%
66%
257
15
Henderson Engineers Inc.
Lenexa, KS, U.S.
$80,000,000
$71,000,000
89%
88%
302
16
Mesa Assocs. Inc.
Madison, AL, U.S.
$68,500,000
$61,000,000
89%
95%
64
17
Smith Seckman Reid Inc.
Nashville, TN, U.S.
$67,098,516
$57,033,738
85%
99%
97
18
AKF Group LLC
New York, NY, U.S.
$60,000,000
$54,300,000
91%
99%
214
19
Glumac
San Francisco, CA, U.S.
$52,722,746
$52,722,746
100%
99%
71
20
Jaros, Baum & Bolles
New York, NY, U.S.
$51,900,000
$51,900,000
100%
90%
156
21
M-E Engineers Inc.
Wheat Ridge, CO, U.S.
$51,637,000
$51,637,000
100%
84%
179
22
Bury
Austin, TX, U.S.
$53,500,000
$47,101,830
88%
94%
16
23
CannonDesign
Grand Island, NY, U.S.
$183,000,000
$44,000,000
24%
24%
106
24
KJWW Engineering Consultants
Rock Island, IL, U.S.
$54,769,918
$43,121,567
79%
99%
180
25
LEO A DALY
Omaha, NE, U.S.
$142,000,000
$43,000,000
30%
98%
70
26
Aon Fire Protection Engineering Corp.
Lincolnshire, IL, U.S.
$40,306,732
$40,306,732
100%
80%
113
27
Optimation Technology Inc.
Rush, NY, U.S.
$47,810,605
$38,317,703
80%
80%
95
28
SmithGroupJJR
Detroit, MI, U.S.
$197,158,405
$36,753,123
19%
19%
99
29
Page
Washington, D.C., U.S.
$121,980,000
$36,594,000
30%
70%
39
30
TLC Engineering for Architecture Inc.
Orlando, FL, U.S.
$38,178,868
$35,618,795
93%
95%
70
31
TTG Engineers
Pasadena, CA, U.S.
$51,216,502
$33,598,485
66%
98%
167
32
HGA Architects and Engineers
Minneapolis, MN, U.S.
$123,900,000
$33,400,000
27%
99%
87
33
RDK Engineers
Andover, MA, U.S.
$33,000,000
$33,000,000
100%
100%
125
34
DLR Group
Minneapolis, MN, U.S.
$130,000,000
$32,500,000
25%
98%
92
35
EYP Inc.
Albany, NY, U.S.
$138,184,652
$32,000,000
23%
100%
59
35
Robert Derector Assocs.
New York, NY, U.S.
$35,700,000
$32,000,000
90%
95%
93
37
ESD (Environmental Systems Design Inc.)
Chicago, IL, U.S.
$39,300,000
$31,868,387
81%
83%
165
38
Stanley Consultants
Muscatine, IA, U.S.
$165,247,375
$30,716,371
19%
83%
158
39
STV
New York, NY, U.S.
$411,851,000
$30,358,735
7%
100%
127
40
Ghafari Assocs. LLC
Dearborn, MI, U.S.
$173,800,000
$30,000,000
17%
70%
68
41
RMF Engineering Inc.
Baltimore, MD, U.S.
$33,044,000
$29,740,000
90%
100%
88
42
Sebesta
St. Paul, MN, U.S.
$29,349,330
$29,349,330
100%
90%
113
43
JBA Consulting Engineers
Las Vegas, NV, U.S.
$34,400,000
$27,700,000
81%
82%
24
44
Interface Engineering
Portland, OR, U.S.
$28,065,931
$27,424,128
98%
83%
50
45
Jordan & Skala Engineers Inc.
Norcross, GA, U.S.
$28,600,000
$26,800,000
94%
94%
43
46
I. C. Thomasson Assocs. Inc.
Nashville, TN, U.S.
$26,400,000
$24,700,000
94%
100%
55
47
Gannett Fleming
Camp Hill, PA, U.S.
$327,470,000
$23,800,000
7%
7%
115
48
Heapy Engineering
Dayton, OH, U.S.
$23,132,853
$23,132,853
100%
100%
80
49
CDM Smith
Boston, MA, U.S.
$1,262,000,000
$22,033,189
2%
2%
205
50
M/E Engineering PC
Rochester, NY, U.S.
$21,610,000
$21,610,000
100%
100%
126
51
Loring Consulting Engineers Inc.
New York, NY, U.S.
$20,900,000
$20,900,000
100%
100%
84
52
Alfa Tech
San Jose, CA, U.S.
$25,890,000
$20,712,000
80%
85%
36
53
CMTA Consulting Engineers
Prospect, KY, U.S.
$27,400,000
$20,700,000
76%
98%
90
54
Triad Consulting Engineers Inc.
Morris Plains, NJ, U.S.
$22,861,715
$19,970,400
87%
75%
30
55
H.F. Lenz Co.
Johnstown, PA, U.S.
$23,536,000
$19,860,000
84%
100%
36
56
Salas O'Brien
San Jose, CA, U.S.
$24,294,892
$19,754,416
81%
82%
90
57
Newcomb & Boyd
Atlanta, GA, U.S.
$22,664,513
$18,981,241
84%
99%
107
58
Highland Assocs. Ltd. Architecture Engineering Interior Design
Clarks Summit, PA, U.S.
$29,200,000
$18,900,000
65%
18%
73
59
P2S Engineering Inc.
Long Beach, CA, U.S.
$21,402,520
$18,791,590
88%
99%
89
60
Southland Engineering
Garden Grove, CA, U.S.
$534,801,217
$18,150,000
3%
100%
113
61
Burns Engineering Inc.
Philadelphia, PA, U.S.
$29,370,000
$18,030,000
61%
61%
61
62
Michaud Cooley Erickson
Minneapolis, MN, U.S.
$18,000,000
$18,000,000
100%
100%
104
63
Bala Consulting Engineers Inc.
King of Prussia, PA, U.S.
$19,500,000
$17,700,000
91%
91%
65
64
AHA Consulting Engineers Inc.
Lexington, MA, U.S.
$19,000,000
$17,500,000
92%
100%
28
65
Bridgers & Paxton Consulting Engineers Inc.
Albuquerque, NM, U.S.
$17,361,991
$17,361,991
100%
100%
36
66
Matrix Technologies Inc.
Maumee, OH, U.S.
$42,948,438
$17,341,944
40%
40%
166
67
GPI/Greenman-Pedersen Inc.
Babylon, NY, U.S.
$221,000,000
$16,600,000
8%
100%
79
68
Kohrs Lonnemann Heil Engineers PSC (dba KLH Engineers)
Ft. Thomas, KY, U.S.
$16,177,264
$16,177,264
100%
100%
87
69
CTA Architects Engineers
Billings, MT, U.S.
$47,802,084
$15,234,821
32%
95%
42
70
TME LLC
Little Rock, AR, U.S.
$23,000,000
$15,000,000
65%
100%
43
71
Morrison Hershfield
Atlanta, GA, U.S.
$139,946,788
$14,897,685
11%
51%
37
72
ThermalTech Engineering Inc.
Cincinnati, OH, U.S.
$25,038,000
$14,350,000
57%
95%
56
73
Karpinski Engineering
Cleveland, OH, U.S.
$14,679,572
$13,652,002
93%
100%
75
74
BSA LifeStructures
Indianapolis, IN, U.S.
$37,784,798
$13,069,734
35%
100%
27
75
WD Partners
Dublin, OH, U.S.
$51,880,000
$13,000,000
25%
69%
36
76
Skidmore, Owings & Merrill LLP
Chicago, IL, U.S.
$323,700,000
$12,995,297
4%
19%
47
77
Harley Ellis Devereaux
Southfield, MI, U.S.
$48,300,000
$12,600,000
26%
92%
44
78
Setty
Fairfax, VA, U.S.
$12,231,458
$12,231,458
100%
95%
39
79
Lizardos Engineering Assocs. PC
Mineola, NY, U.S.
$12,227,731
$12,227,731
100%
100%
67
80
GHT Ltd.
Arlington, VA, U.S.
$12,188,605
$12,188,605
100%
100%
53
81
CJL Engineering Inc.
Moon Township, PA, U.S.
$12,102,135
$12,102,135
100%
99%
33
82
Global Engineering Solutions
Bethesda, MD, U.S.
$12,100,000
$12,100,000
100%
100%
41
83
SSOE Group
Toledo, OH, U.S.
$137,370,000
$11,670,000
8%
9%
215
84
Spectrum Engineers
Salt Lake City, UT, U.S.
$11,471,935
$11,471,935
100%
99%
22
85
BRPH
Melbourne, FL, U.S.
$56,321,064
$11,224,742
20%
97%
66
86
Wiley|Wilson
Lynchburg, VA, U.S.
$22,689,000
$10,664,000
47%
47%
43
87
RTM Engineering Consultants LLC
South Barrington, IL, U.S.
$11,217,300
$10,535,340
94%
100%
47
88
Allen & Shariff Engineering LLC
Columbia, MD, U.S.
$43,683,283
$10,530,558
24%
100%
60
89
Peter Basso Assocs. Inc.
Troy, MI, U.S.
$12,000,000
$10,500,000
88%
98%
46
90
Arora Engineers Inc.
Chadds Ford, PA, U.S.
$13,447,171
$10,381,500
77%
100%
31
91
Dynamix Engineering Ltd.
Columbus, OH, U.S.
$10,371,351
$10,371,351
100%
100%
37
92
EEA Consulting Engineers
Austin, TX, U.S.
$10,223,292
$10,223,292
100%
100%
28
93
Wood Harbinger
Bellevue, WA, U.S.
$10,187,000
$10,187,000
100%
100%
47
94
Fishbeck, Thompson, Carr & Huber Inc.
Grand Rapids, MI, U.S.
$51,800,000
$10,100,000
19%
100%
23
95
MKK Consulting Engineers Inc.
Greenwood Village, CO, U.S.
$11,100,000
$10,000,000
90%
90%
37
96
Brinjac Engineering
Harrisburg, PA, U.S.
$10,446,141
$9,527,173
91%
86%
47
97
Rist-Frost-Shumway Engineering PC
Laconia, NH, U.S.
$10,000,000
$9,400,000
94%
100%
27
98
KCI Technologies Inc.
Sparks, MD, U.S.
$163,000,000
$8,886,000
5%
100%
37
99
MEP Assocs. LLC
Eau Claire, WI, U.S.
$8,686,313
$8,686,313
100%
100%
40
100
Ross & Baruzzini Inc.
St. Louis, MO, U.S.
$29,170,726
$8,517,376
29%
23%
29

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