2021 Data Center Giants: Top architecture, engineering, and construction firms in the U.S. data center facilities sector

Corgan, Holder Construction, Jacobs, and Whiting-Turner top BD+C's rankings of the nation's largest data center facilities sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

• Top 30 Data Center Sector Architecture and AE Firms for 2021
• Top 55 Data Center Sector Engineering and EA Firms for 2021
• Top 45 Data Center Sector Contractors and CM Firms for 2021

Top 30 Data Center Sector Architecture and AE Firms for 2021
	FIRM	2020 REVENUE
1	Corgan	$66,713,848
2	Gensler	$28,769,904
3	Sheehan Nagle Hartray Architects	$24,843,756
4	Page	$19,752,373
5	HED	$10,100,000
6	HKS	$6,169,849
7	Wendel	$3,386,675
8	DGA Planning \| Architecture \| Interiors	$3,378,495
9	Macgregor Associates Architects	$2,534,893
10	Stantec	$2,509,019
11	CallisonRTKL	$2,332,108
12	Barge Design Solutions	$2,036,000
13	LaBella Associates	$1,250,000
14	GreenbergFarrow	$1,116,200
15	Warner Nease Bost Architects	$751,000
16	HGA	$662,565
17	Line Scale Form	$376,180
18	CBRE	$340,111
19	Eppstein Uhen Architects	$253,000
20	Gresham Smith	$234,422
21	Walbridge	$183,289
22	Jackson \| Main Architecture	$159,285
23	RSP Architects	$109,000
24	Randall-Paulson Architects	$90,577
25	Performa	$77,000
—	Architectural Design Consultants	$77,000
27	Interior Architects	$68,156
28	Champlin Architecture	$60,284
29	Hafer	$22,815
30	RDG Planning & Design	$15,685
31	Clark Nexsen	$11,700
32	Becker Morgan Group	$7,157
33	Ratio Design	$4,375
34	HOK	$2,000

SOURCE: 2021 Giants 400 Report

Top 55 Data Center Sector Engineering and EA Firms for 2021
	FIRM	2020 REVENUE
1	Jacobs	$211,400,000
2	Burns & McDonnell	$65,517,695
3	ESD	$57,091,521
4	WSP USA	$54,717,636
5	Alfa Tech Consulting Engineers	$50,000,000
6	Black & Veatch Corp.	$37,630,000
7	HPE Data Center Technologies Services (Facilities Consulting)	$33,700,000
8	Vanderweil Engineers	$32,952,900
9	AECOM	$28,300,000
10	Syska Hennessy Group	$26,652,448
11	Kimley-Horn	$24,909,794
12	Morrison Hershfield	$20,288,575
13	EYP Mission Critical Facilities	$16,700,000
14	Salas O'Brien	$14,861,646
15	EXP	$14,594,086
16	M.C. Dean	$13,842,728
17	Arup	$10,821,880
18	Highland Associates	$10,100,000
19	Olsson	$9,749,035
20	Swanson Rink	$9,297,289
21	TAS Energy	$7,125,000
22	TEECOM	$6,617,457
23	Newcomb & Boyd	$4,533,432
24	H.F. Lenz	$4,484,619
25	Affiliated Engineers Inc.	$4,244,126
26	DeSimone Consulting Engineers	$4,227,324
27	Paradigm Structural Engineers	$3,493,421
28	Bala Consulting Engineers	$3,100,000
29	Ross & Baruzzini	$3,000,000
30	Dewberry	$2,608,371
31	CRB	$2,500,000
32	Cushing Terrell	$2,317,994
33	Wick Fisher White	$2,316,000
34	Langan	$2,300,000
35	RMF Engineering	$2,000,000
36	Mazzetti	$1,704,900
37	Thornton Tomasetti	$1,050,216
38	KPFF Consulting Engineers	$981,000
39	Bridgers & Paxton Consulting Engineers	$772,570
40	KCI Technologies	$525,600
41	Wiss, Janney, Elstner Associates	$500,000
42	Dunham Associates	$460,000
43	Osborn Engineering	$450,000
44	IMEG Corp.	$443,000
45	Jaros, Baum & Bolles	$284,672
46	HEAPY	$249,343
47	Walter P Moore	$213,933
48	Martin/Martin Consulting Engineers	$186,903
49	SSOE Group	$159,952
50	McKinstry	$150,000
51	Farnsworth Group	$145,737
52	Spectrum Engineers	$137,529
53	Peter Basso Associates	$100,000
54	P2S	$77,019
55	French & Parrello Associates	$25,157
56	Karpinski Engineering	$25,000
57	SSC Engineering	$19,350

SOURCE: 2021 Giants 400 Report

Top 45 Data Center Sector Contractors and CM Firms for 2021
	FIRM	2020 REVENUE
1	Holder Construction	$2,593,000,000
2	Whiting-Turner Contracting Co., The	$1,775,279,988
3	DPR Construction	$1,565,877,000
4	Turner Construction	$1,510,898,975
5	HITT Contracting	$1,053,798,171
6	Fluor Corp.	$909,670,000
7	Fortis Construction	$860,372,727
8	Mortenson	$558,592,000
9	STO Building Group	$529,000,000
10	JE Dunn	$528,970,119
11	Clayco	$507,000,000
12	Clune Construction	$400,033,000
13	Weitz Company, The	$214,102,100
14	Gray Construction	$205,878,352
15	Brasfield & Gorrie	$202,130,191
16	Balfour Beatty US	$194,479,754
17	M.C. Dean	$175,207,846
18	Hensel Phelps	$174,703,875
19	AECOM	$148,900,000
20	Walbridge	$148,110,450
21	J.T. Magen	$127,662,679
22	Gilbane Building Company	$116,047,000
23	CBRE	$111,741,247
24	Sundt Construction	$109,161,137
25	Jacobs	$96,351,000
26	McCarthy Holdings	$95,594,062
27	Skanska USA	$84,634,739
28	Rogers-O'Brien Construction	$63,159,185
29	Walsh Group, The	$51,323,316
30	BlueScope Construction	$43,070,641
31	Hoffman Construction	$36,114,179
32	T5 Construction Services	$33,774,900
33	McKinstry	$31,000,000
34	Suffolk Construction	$28,843,468
35	Executive Construction	$17,700,000
36	Nabholz	$10,669,485
37	Pepper Construction	$10,485,433
38	Granger Construction	$8,600,738
39	Black & Veatch Corp.	$8,270,000
40	Saunders Construction	$7,583,443
41	ARCO Construction Companies	$4,688,004
42	Robins & Morton	$840,405
43	Messer Construction	$786,990
44	Hill International	$470,691
45	James McHugh Construction	$42,675
46	KCI Technologies	$10,000