2021 Science and Technology Sector Giants: Top architecture, engineering, and construction firms in the U.S. S+T facilities sector

HDR, CRB, Jacobs, Skanska USA, and Whiting-Turner Contracting Co. top the rankings of the nation's largest science and technology (S+T) sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Top 80 Science and Technology Facility Architecture and AE Firms for 2021 (ALL S+T WORK)
Top 65 Science and Technology Facility Engineering and EA Firms for 2021 (ALL S+T WORK)
Top 45 Science and Technology Facility Contractors and CM Firms for 2021 (ALL S+T WORK)
Top 60 Laboratory Facility Architecture and AE Firms for 2021 (LAB-RELATED WORK ONLY)
Top 50 Laboratory Facility Engineering and EA Firms for 2021 (LAB-RELATED WORK ONLY)
Top 25 Laboratory Facility Contractors and CM Firms for 2021 (LAB-RELATED WORK ONLY)

Top 80 Science and Technology Facility Architecture and AE Firms for 2021
	FIRM	2020 REVENUE
1	HDR	$144,862,468
2	Perkins and Will	$73,807,000
3	DGA Planning \| Architecture \| Interiors	$53,931,599
4	HOK	$48,270,000
5	Payette	$46,554,425
6	Flad Architects	$37,760,000
7	SmithGroup	$37,268,154
8	Gensler	$35,938,984
9	EwingCole	$33,500,000
10	ZGF Architects	$30,313,020
11	CannonDesign	$30,000,000
12	Stantec	$28,832,096
13	Elkus Manfredi Architects	$26,275,000
14	Ennead Architects	$23,970,694
15	Skidmore, Owings & Merrill	$21,226,412
16	Page	$15,797,000
17	HGA	$13,374,375
18	BSA LifeStructures	$12,417,441
19	TRIA	$11,222,200
20	Perkins Eastman	$10,088,635
21	McFarlane Architects	$8,700,000
22	RS&H	$8,600,000
23	Garmann Miller & Associates	$8,520,400
24	HED	$8,122,000
25	Clark & Enersen	$7,784,556
26	Cooper Carry	$7,074,863
27	Moody Nolan	$6,593,480
28	Bergmann	$6,416,000
29	Ayers Saint Gross	$6,284,203
30	EYP	$5,467,571
31	Hanbury	$5,322,349
32	Clark Nexsen	$4,802,000
33	Eppstein Uhen Architects	$3,562,000
34	SLAM	$3,261,677
35	BWBR	$3,059,784
36	Kirksey Architecture	$2,729,410
37	E4H Environments for Health Architecture	$2,350,000
38	NBBJ	$2,100,000
39	MBH Architects	$1,987,500
40	KZF Design	$1,946,193
41	Diamond Schmitt Architects	$1,853,948
42	TreanorHL	$1,581,338
43	KGD Architecture	$1,525,217
44	Ware Malcomb	$1,504,894
45	Mithun	$1,418,383
46	LaBella Associates	$1,374,000
47	Emersion Design	$1,344,562
48	NORR	$1,333,813
49	Hastings+Chivetta Architects	$1,242,759
50	H. Hendy Associates	$1,157,291
51	AE Works Ltd.	$1,106,526
52	Ratio Design	$976,404
53	BHDP Architecture	$932,768
54	RBB Architects	$856,400
55	AE Design Group	$620,000
56	CSArch	$610,197
57	Urbahn Architects	$579,671
58	Architecture, Incorporated	$578,200
59	AHL	$502,096
60	Scientia Architects	$500,000
61	AO	$475,000
62	CBRE	$458,115
63	Studio+	$445,196
64	Crawford Architects	$434,000
65	Davis Brody Bond	$427,290
66	FCA	$356,149
67	Cromwell Architects Engineers	$336,724
68	CO Architects	$317,031
69	NAC Architecture	$282,256
70	Taylor Design	$276,000
71	CallisonRTKL	$270,075
72	Blair + Mui Dowd Architects	$244,444
73	CPL	$199,954
74	Álvarez-Díaz & Villalón \| Architecture & Interior Design	$195,026
75	RDG Planning & Design	$186,699
76	Little Diversified Architectural Consulting	$182,552
77	LEO A DALY	$172,242
78	PGAL	$59,000
79	Shepley Bulfinch	$34,968
80	Plunkett Raysich Architects	$18,632
81	Carrier Johnson + Culture	$13,473
82	Hafer	$7,020
83	LS3P Associates	$2,125

SOURCE: 2021 Giants 400 Report

Top 65 Science and Technology Facility Engineering and EA Firms for 2021
	FIRM	2020 REVENUE
1	Jacobs	$418,290,000
2	CRB	$132,170,000
3	Affiliated Engineers Inc.	$55,542,687
4	Burns & McDonnell	$43,779,473
5	BRPH	$38,063,890
6	WSP USA	$21,713,559
7	Vanderweil Engineers	$16,651,900
8	Alfa Tech Consulting Engineers	$15,000,000
9	EXP	$14,258,687
10	RMF Engineering	$14,000,000
11	KPFF Consulting Engineers	$13,016,000
12	Buro Happold	$12,100,000
13	Salas O'Brien	$11,926,440
14	IMEG Corp.	$6,725,000
15	CDM Smith	$6,291,049
16	NV5 Global	$5,387,000
17	AKF Group	$3,950,000
18	Newcomb & Boyd	$3,712,790
19	Jensen Hughes	$3,540,131
20	Bridgers & Paxton Consulting Engineers	$2,909,093
21	Syska Hennessy Group	$2,883,364
22	M/E Engineering	$2,846,500
23	RMH Group, The	$2,773,374
24	STV	$2,575,676
25	Langan	$2,000,000
26	Dewberry	$1,921,814
27	Bala Consulting Engineers	$1,845,000
28	Highland Associates	$1,800,000
29	Paradigm Structural Engineers	$1,684,194
30	Dunham Associates	$1,400,000
31	SSC Engineering	$1,310,896
32	P2S	$1,304,367
33	Jaros, Baum & Bolles	$1,249,907
34	Farnsworth Group	$1,223,137
35	Wiss, Janney, Elstner Associates	$1,200,000
36	PS&S	$1,148,340
37	Smith Seckman Reid	$846,581
38	Ross & Baruzzini	$800,000
39	DHE Engineering	$617,512
40	MHP Structural Engineers	$582,776
41	Spectrum Engineers	$490,195
42	Osborn Engineering	$475,000
43	HEAPY	$468,940
44	KCI Technologies	$462,700
45	ME Engineers	$450,000
46	EAPC Architects Engineers	$421,873
47	Architectural Engineers	$406,402
48	Magnusson Klemencic Associates	$393,996
49	G2 Consulting Group	$375,000
50	Mazzetti	$367,220
51	TEECOM	$353,942
52	SSOE Group	$287,065
53	Arora Engineers	$279,343
54	Henderson Engineers	$256,860
55	Peter Basso Associates	$250,000
56	Wick Fisher White	$215,000
57	Allen + Shariff	$145,446
58	JQ Engineering	$130,451
59	Davis, Bowen & Friedel	$123,512
60	Wallace Design Collective	$100,000
61	ESD	$66,244
62	Walter P Moore	$48,070
63	H.F. Lenz	$42,000
64	Kohrs Lonnemann Heil Engineers	$38,569
65	French & Parrello Associates	$37,045
66	LBYD	$6,300

SOURCE: 2021 Giants 400 Report

Top 45 Science and Technology Facility Contractors and CM Firms for 2021
	FIRM	2020 REVENUE
1	Skanska USA	$971,988,650
2	Whiting-Turner Contracting Co., The	$695,084,089
3	CRB	$620,910,000
4	DPR Construction	$598,099,000
5	Gilbane Building Company	$333,290,000
6	McCarthy Holdings	$325,401,717
7	Turner Construction	$320,072,281
8	Lendlease	$314,392,573
9	JE Dunn	$280,940,564
10	STO Building Group	$202,000,000
11	Walbridge	$196,888,458
12	Jacobs	$172,086,000
13	CBRE	$144,630,713
14	Mortenson	$110,315,000
15	LeChase Construction Services	$100,156,714
16	Messer Construction	$64,134,713
17	Landry/French Construction	$59,300,000
18	Hensel Phelps	$56,845,678
19	Columbia	$55,800,000
20	Miron Construction	$54,989,208
21	McKinstry	$45,000,000
22	Lease Crutcher Lewis	$39,752,963
23	McCownGordon Construction	$39,684,403
24	Brasfield & Gorrie	$35,768,240
25	Manhattan Construction Group	$35,101,860
26	BartonMalow	$26,683,269
27	Burns & McDonnell	$26,683,176
28	Shawmut Design and Construction	$25,874,137
29	Hoar Construction	$20,430,000
30	Fortis Construction	$15,781,137
31	Hagerman Group, The	$15,000,000
32	Power Construction	$12,000,000
33	Joeris General Contractors	$10,898,630
34	Robins & Morton	$10,758,604
35	JLL	$9,370,021
36	Donohoe Construction	$5,186,812
37	HITT Contracting	$5,021,299
38	STV	$3,484,653
39	Hill International	$3,416,524
40	Saunders Construction	$2,432,085
41	Suffolk Construction	$1,382,514
42	Skender	$1,258,114
43	BRPH	$1,235,031
44	Lawrence Group	$922,440
45	McDonough Bolyard Peck	$620,776
46	JLG Architects	$134,279
47	Crossland Construction	$32,999

SOURCE: 2021 Giants 400 Report

Top 60 Laboratory Facility Architecture and AE Firms for 2021
	FIRM	2020 REVENUE
1	HDR	$76,242,244
2	Payette	$46,554,425
3	DGA Planning \| Architecture \| Interiors	$39,239,697
4	Flad Architects	$32,096,000
5	ZGF Architects	$30,313,020
6	Elkus Manfredi Architects	$26,275,000
7	Ennead Architects	$23,970,694
8	Gensler	$20,109,329
9	HOK	$19,290,000
10	EwingCole	$16,000,000
11	HGA	$10,030,781
12	Page	$9,551,000
13	McFarlane Architects	$8,700,000
14	RS&H	$8,600,000
15	Garmann Miller & Associates	$8,520,400
16	Perkins and Will	$7,207,000
17	Cooper Carry	$6,382,554
18	HED	$4,872,000
19	E4H Environments for Health Architecture	$2,350,000
20	Kirksey Architecture	$2,261,497
21	MBH Architects	$1,987,500
22	KZF Design	$1,946,193
23	Diamond Schmitt Architects	$1,853,948
24	SLAM	$1,826,557
25	Bergmann	$1,750,000
26	LaBella Associates	$1,374,000
27	Emersion Design	$1,344,562
28	BWBR	$1,341,200
29	NORR	$1,333,813
30	BSA LifeStructures	$1,245,796
31	TRIA	$1,168,200
32	EYP	$1,112,930
33	AE Works Ltd.	$1,106,526
34	Ayers Saint Gross	$1,060,873
35	Ratio Design	$976,404
36	BHDP Architecture	$932,768
37	RBB Architects	$856,400
38	Clark Nexsen	$800,000
39	Eppstein Uhen Architects	$659,000
40	AE Design Group	$620,000
41	Architecture, Incorporated	$578,200
42	Scientia Architects	$500,000
43	CBRE	$458,115
44	Studio+	$445,196
45	Cromwell Architects Engineers	$336,724
46	Ware Malcomb	$325,512
47	CO Architects	$317,031
48	NAC Architecture	$282,256
49	Davis Brody Bond	$258,664
50	Blair + Mui Dowd Architects	$244,444
51	FCA	$215,499
52	CPL	$199,954
53	Álvarez-Díaz & Villalón \| Architecture & Interior Design	$195,026
54	RDG Planning & Design	$186,699
55	Little Diversified Architectural Consulting	$182,552
56	AHL	$174,775
57	TreanorHL	$89,497
58	PGAL	$59,000
59	Plunkett Raysich Architects	$18,632
60	Carrier Johnson + Culture	$13,473
61	LS3P Associates	$2,125

SOURCE: 2021 Giants 400 Report

Top 50 Laboratory Facility Engineering and EA Firms for 2021
	FIRM	2020 REVENUE
1	Jacobs	$197,916,000
2	CRB	$132,170,000
3	Affiliated Engineers Inc.	$55,542,687
4	Burns & McDonnell	$43,779,473
5	WSP USA	$21,713,559
6	Vanderweil Engineers	$14,388,400
7	Salas O'Brien	$11,926,440
8	Alfa Tech Consulting Engineers	$10,000,000
9	RMF Engineering	$10,000,000
10	Buro Happold	$9,092,000
11	KPFF Consulting Engineers	$6,508,000
12	NV5 Global	$5,333,000
13	Newcomb & Boyd	$3,712,790
14	CDM Smith	$3,669,778
15	AKF Group	$3,320,000
16	Bridgers & Paxton Consulting Engineers	$2,909,093
17	Syska Hennessy Group	$2,883,364
18	Jensen Hughes	$2,530,095
19	Langan	$2,000,000
20	Dewberry	$1,921,814
21	Bala Consulting Engineers	$1,845,000
22	M/E Engineering	$1,423,250
23	SSC Engineering	$1,310,896
24	P2S	$1,304,367
25	Farnsworth Group	$1,223,137
26	EXP	$1,053,754
27	Jaros, Baum & Bolles	$866,968
28	Smith Seckman Reid	$846,581
29	Ross & Baruzzini	$600,000
30	PS&S	$585,340
31	HEAPY	$468,940
32	KCI Technologies	$462,700
33	EAPC Architects Engineers	$421,873
34	Architectural Engineers	$406,402
35	Magnusson Klemencic Associates	$393,996
36	TEECOM	$353,942
37	DHE Engineering	$330,378
38	SSOE Group	$287,065
39	Henderson Engineers	$256,860
40	Osborn Engineering	$250,000
41	Peter Basso Associates	$250,000
42	Wick Fisher White	$215,000
43	Wiss, Janney, Elstner Associates	$200,000
44	Allen + Shariff	$145,446
45	JQ Engineering	$130,451
46	Davis, Bowen & Friedel	$123,512
47	G2 Consulting Group	$75,000
48	MHP Structural Engineers	$73,193
49	ESD	$66,244
50	H.F. Lenz	$42,000
51	Arora Engineers	$41,627
52	French & Parrello Associates	$37,045
53	Spectrum Engineers	$8,635
54	LBYD	$6,300

SOURCE: 2021 Giants 400 Report

Top 25 Laboratory Facility Contractors and CM Firms for 2021
	FIRM	2020 REVENUE
1	CRB	$620,910,000
2	Whiting-Turner Contracting Co., The	$478,083,371
3	Skanska USA	$469,497,013
4	McCarthy Holdings	$325,401,717
5	Lendlease	$314,392,573
6	JE Dunn	$280,940,564
7	STO Building Group	$202,000,000
8	Walbridge	$196,888,458
9	Gilbane Building Company	$173,025,000
10	Mortenson	$110,315,000
11	Landry/French Construction	$59,300,000
12	Hensel Phelps	$56,845,678
13	McKinstry	$45,000,000
14	CBRE	$38,613,963
15	Manhattan Construction Group	$35,101,860
16	Burns & McDonnell	$26,683,176
17	Shawmut Design and Construction	$25,874,137
18	BartonMalow	$14,968,565
19	McCownGordon Construction	$12,869,722
20	Joeris General Contractors	$10,153,072
21	Messer Construction	$5,506,178
22	Hill International	$2,921,470
23	Saunders Construction	$2,432,085
24	Suffolk Construction	$1,382,514
25	Skender	$1,258,114
26	Lawrence Group	$922,440
27	Jacobs	$56,000

SOURCE: 2021 Giants 400 Report

BACK TO THE 2021 GIANTS 400 LANDING PAGE

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