2020 Office Sector Giants: Top architecture, engineering, and construction firms in the U.S. office building sector

Gensler, Jacobs, and STO Building Group head BD+C's rankings of the nation's largest office building sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.

Top 190 Office Sector Architecture and AE Firms for 2020
	FIRM	2019 REVENUE
1	Gensler	$868,807,631
2	Perkins and Will	$172,726,630
3	HOK	$165,571,000
4	Stantec	$158,997,330
5	Interior Architects	$145,320,509
6	Nelson Worldwide	$109,122,000
7	Skidmore, Owings & Merrill	$94,244,051
8	SmithGroup	$80,060,328
9	ZGF Architects	$64,087,622
10	NBBJ	$60,500,000
11	CallisonRTKL	$53,130,028
12	HKS	$53,024,537
13	TPG Architecture	$47,710,000
14	Ware Malcomb	$41,292,378
15	HGA	$41,047,749
16	DLR Group	$40,938,000
17	Corgan	$38,302,926
18	HLW	$37,400,000
19	Ted Moudis Associates	$36,000,000
20	LPA	$35,465,043
21	Page	$35,250,000
22	HDR	$32,881,189
23	RSP Architects	$32,701,000
24	Perkins Eastman	$32,320,000
25	Elkus Manfredi Architects	$30,586,000
26	Kirksey Architecture	$27,587,660
27	BHDP Architecture	$25,053,843
28	Goettsch Partners	$24,500,000
29	CannonDesign	$24,000,000
30	Whitman Requardt and Associates	$23,881,726
31	CBT	$23,257,492
32	EYP Architecture & Engineering	$21,204,244
33	Vocon	$19,600,000
34	Little Diversified Architectural Consulting	$19,131,589
35	LMN Architects	$17,970,000
36	Quinn Evans	$15,911,436
37	EXP	$15,304,234
38	Clark Nexsen	$15,094,000
39	Leo A Daly	$14,636,761
40	Partners by Design	$14,250,000
41	Huntsman Architectural Group	$13,901,623
42	Solomon Cordwell Buenz (SCB)	$12,649,638
43	LS3P	$12,637,725
44	Cooper Carry	$12,059,200
45	Sasaki	$11,971,104
46	Fogarty Finger Architecture	$10,903,750
47	RS&H	$10,400,000
48	Flad Architects	$10,240,000
49	Marmon Mok Architecture	$10,234,572
50	Eppstein Uhen Architects (EUA)	$10,065,000
51	PGAL	$9,895,000
52	FXCollaborative	$9,684,285
53	Cuningham Group Architecture	$9,240,014
54	H. Hendy Associates	$9,187,183
55	MBH Architects	$8,866,000
56	Smallwood	$8,791,063
57	Ennead Architects	$8,638,827
58	Bergmann	$8,530,000
59	Wright Heerema Architects	$8,514,977
60	Adrian Smith + Gordon Gill Architecture	$8,398,778
61	HED	$8,000,000
62	Ratio Architects	$7,861,870
63	FCA	$7,321,311
64	REES	$7,316,178
65	Dyer Brown Architects	$7,259,472
66	AHL	$6,895,871
67	Margulies Perruzzi	$6,461,535
68	Handel Architects	$6,112,668
69	Mithun	$5,737,410
70	Moody Nolan	$5,589,630
71	Baskervill	$5,454,025
72	GBBN	$5,453,000
73	S/L/A/M Collaborative, The	$5,447,000
74	GFF	$5,335,306
75	Montroy DeMarco Architecture	$5,221,000
76	Rule Joy Trammell + Rubio	$5,200,429
77	Wendel	$5,030,994
78	Taylor Design	$5,026,000
79	BWBR	$4,994,000
80	Ballinger	$4,918,570
81	DGA	$4,880,870
82	Davis Brody Bond	$4,729,651
83	Hoefer Wysocki	$4,491,000
84	Clark Enersen Partners, The	$4,326,738
85	Goodwyn, Mills and Cawood	$4,300,687
86	M+A Architects	$4,269,145
87	Wold Architects and Engineers	$4,000,000
88	Barge Design Solutions	$3,993,154
89	CO Architects	$3,820,600
90	Carrier Johnson + Culture	$3,544,275
91	RDG Planning & Design	$3,405,144
92	WDG Architecture	$3,400,000
93	G70	$3,378,000
94	HuntonBrady Architects	$3,304,349
95	Progressive AE	$3,294,454
96	YGH Architecture	$3,236,980
97	Stevens & Wilkinson	$3,100,000
98	Fentress Architects	$3,000,000
99	EwingCole	$3,000,000
100	Champlin Architecture	$2,950,597
101	KGD Architecture	$2,937,873
102	Kahler Slater	$2,905,759
103	JRS Architect	$2,625,000
104	Architecture, Incorporated	$2,614,500
105	CPL	$2,487,186
106	Alliiance	$2,472,244
107	HNTB Corporation	$2,417,321
108	Diamond Schmitt Architects	$2,313,619
109	RDC / Studio One Eleven	$2,178,294
110	Lawrence Group	$2,136,800
111	Emersion Design	$2,136,612
112	Ayers Saint Gross	$1,969,302
113	DLZ Corporation	$1,938,600
114	AE7	$1,643,800
115	Eckenhoff Saunders Architects	$1,520,000
116	Weber Thompson	$1,437,252
117	TRIA	$1,407,750
118	JLG Architects	$1,391,173
119	HMC Architects	$1,311,205
120	AE Works Ltd.	$1,185,000
121	FitzGerald	$1,145,000
122	Populous	$1,127,938
123	Randall-Paulson Architects	$1,049,642
124	H2M Architects + Engineers	$1,035,437
125	BSA LifeStructures	$1,007,212
126	Dattner Architects	$995,686
127	Larson Design Group	$987,285
128	TETER	$973,396
129	Crawford Architects	$964,100
130	Method Architecture	$956,797
131	Spiezle Group	$916,000
132	WATG	$866,365
133	Kitchen & Associates	$840,000
134	Garmann/Miller Architects-Engineers	$835,759
135	Hussey Gay Bell	$817,879
136	DLA+ Architecture & Interior Design	$815,053
137	Urbahn Architects	$752,958
138	SWBR Architecture, Engineering & Landscape Architecture	$712,102
139	Design 3 International (D3i)	$700,000
140	TreanorHL	$650,000
141	BLDD Architects	$630,000
142	WD Partners	$600,000
143	SHP	$600,000
144	VLK Architects	$595,980
145	SchenkelShultz Architecture	$568,322
146	Shepley Bulfinch	$552,472
147	Fugleberg Koch	$550,000
148	Niles Bolton Associates	$506,136
149	Fennick McCredie Architecture	$470,340
150	Legat Architects	$463,000
151	FGM Architects	$449,558
152	HBG Design	$426,000
153	Prellwitz Chilinski Associates (PCA)	$422,769
154	BBGM	$420,000
155	Caldwell Associates Architects	$407,554
156	Harvard Jolly Architecture	$394,173
157	KCCT	$354,695
158	Architectural Design Consultants	$330,000
159	Architecture Design Collaborative	$325,000
160	TEG Architects	$305,835
161	GSB	$302,750
162	Huitt-Zollars, Inc.	$287,000
163	NAC Architecture	$273,416
164	GreenbergFarrow	$268,611
165	BLT Architects	$267,293
166	Premier Project Management	$250,000
167	BKV Group	$243,563
168	NSPJ Architects	$238,656
169	Architectural Resources Cambridge (ARC)	$224,460
170	CESO	$219,879
171	WLC Architects	$213,373
172	JN+A	$200,000
173	Cuhaci & Peterson	$156,558
174	3877 Design	$150,731
175	ATA Beilharz Architects	$150,000
176	Bostwick Design Partnership	$145,000
177	Humphreys & Partners Architects	$130,455
178	Miller Dunwiddie	$121,591
179	Ayres	$111,000
180	4240 Architecture	$110,000
181	GRW	$109,361
182	Holst Architecture	$103,065
183	Sheehan Nagle Hartray Architects (SNHA)	$100,000
184	RGA Architects	$89,482
185	Core States Group	$87,910
186	Onyx Creative	$75,000
187	Finegold Alexander Architects	$69,383
188	Sebree Architects	$50,000
189	DLA Architects	$47,100
190	Line Scale Form Architects	$45,490
191	KTGY Architecture + Planning	$45,001
192	45 Architecture	$32,236
193	Ashley McGraw Architects	$25,592
194	Payette	$23,161

BD+C 2020 Giants 400 Report

Top 85 Office Sector Engineering and EA Firms for 2020
	FIRM	2019 REVENUE
1	Jacobs	$678,000,000
2	AECOM	$143,500,000
3	Burns & McDonnell	$130,906,515
4	Thornton Tomasetti	$95,406,501
5	WSP	$87,097,217
6	NV5 Global	$47,429,000
7	Dewberry	$45,519,892
8	Syska Hennessy Group	$39,125,876
9	Arup	$35,698,993
10	Jaros, Baum & Bolles	$32,999,161
11	AKF Group	$27,420,000
12	Kimley-Horn	$24,082,352
13	ESD	$22,807,806
14	Bala Consulting Engineers	$21,152,000
15	Wiley\|Wilson	$19,605,200
16	Ghafari Associates	$18,000,000
17	BRPH Architects Engineers	$17,153,065
18	Cushing Terrell (formerly CTA Architects Engineers)	$15,926,808
19	IMEG Corp.	$15,297,186
20	Salas O'Brien	$13,600,852
21	French & Parrello Associates	$13,282,009
22	Vanderweil Engineers	$12,943,700
23	ME Engineers	$12,630,000
24	KPFF Consulting Engineers	$11,800,000
25	Shive-Hattery	$10,966,706
26	Morrison Hershfield	$9,781,569
27	Henderson Engineers	$8,876,124
28	Jensen Hughes	$8,651,245
29	Walter P Moore	$7,569,073
30	Martin/Martin	$7,507,240
31	Highland Associates	$7,500,000
32	Newcomb & Boyd	$7,124,854
33	Halff Associates	$6,722,000
34	Affiliated Engineers	$6,205,261
35	RTM Engineering Consultants	$5,372,148
36	KZF Design	$5,259,585
37	PS&S	$5,206,000
38	TLC Engineering Solutions	$5,015,186
39	CDM Smith	$4,949,164
40	Bridgers & Paxton Consulting Engineers	$4,457,791
41	RMF Engineering	$4,380,000
42	Epstein	$3,926,000
43	Stanley Consultants	$3,652,946
44	H.F. Lenz	$3,525,000
45	Dunham Associates	$3,500,000
46	KCI Technologies	$3,500,000
47	Pedco E & A Services	$3,315,000
48	HEAPY	$2,765,137
49	ThermalTech Engineering	$2,500,000
50	Hixson Architecture, Engineering, Interiors	$2,500,000
51	SSOE Group	$2,496,623
52	Allen & Shariff	$2,435,230
53	DeSimone Consulting Engineers	$2,423,123
54	Osborn Engineering	$2,210,000
55	Peter Basso Associates	$2,050,000
56	Bernhard	$2,000,000
57	OLA Consulting Engineers	$1,950,000
58	GRAEF	$1,931,155
59	EAPC Architects Engineers	$1,851,622
60	Kohler Ronan	$1,828,055
61	Sherlock, Smith & Adams	$1,700,000
62	Paradigm Structural Engineers	$1,621,779
63	Wick Fisher White	$1,620,000
64	M/E Engineering	$1,436,365
65	Wallace Engineering	$1,400,000
66	JQ Engineering	$1,316,344
67	LaBella Associates	$1,275,138
68	Milhouse Engineering and Construction	$1,267,560
69	Primera Engineers	$1,155,913
70	KCL Engineering	$1,102,005
71	Karpinski Engineering	$989,440
72	KLH Engineers	$964,778
73	Tec Inc. Engineering & Design	$796,653
74	LBYD Engineers	$788,124
75	Spectrum Engineers	$762,318
76	Architectural Engineers Inc.	$746,656
77	Schaefer	$703,733
78	SSC Engineering	$626,375
79	Smith Seckman Reid	$618,672
80	Apogee Consulting Group	$600,000
81	P2S	$546,621
82	PBS Engineers	$464,000
83	Woolpert	$433,822
84	Arora Engineers	$416,266
85	Davis, Bowen & Friedel	$392,998
86	RMH Group, The	$298,303
87	RWB Consulting Engineers	$135,000
88	Marque Engineering	$108,975

BD+C 2020 Giants 400 Report

Top 105 Office Sector Contractors and CM Firms for 2020
	FIRM	2019 REVENUE
1	STO Building Group	$3,526,000,000
2	Turner Construction Company	$3,513,982,346
3	AECOM	$2,127,500,000
4	DPR Construction	$1,550,217,000
5	Hathaway Dinwiddie Construction	$1,465,823,000
6	Gilbane Building Company	$1,453,351,000
7	Clark Group	$1,320,248,708
8	Clayco	$1,203,000,000
9	Balfour Beatty US	$1,144,504,247
10	Whiting-Turner Contracting Company, The	$1,059,214,111
11	Clune Construction	$980,723,825
12	Hensel Phelps	$900,226,210
13	J.T. Magen and Company	$855,382,915
14	James G. Davis Construction	$734,569,011
15	Swinerton	$729,000,000
16	Brasfield & Gorrie	$659,107,031
17	Level 10 Construction	$644,598,587
18	PCL Construction Enterprises	$625,234,697
19	Webcor	$585,517,601
20	JE Dunn Construction	$582,295,220
21	Skanska USA	$562,573,964
22	Holder Construction	$559,000,000
23	Austin Industries	$467,099,463
24	Mortenson	$430,361,000
25	Jacobs	$352,023,000
26	Choate Construction	$334,110,892
27	Executive Construction	$324,000,000
28	Ryan Companies US	$310,940,560
29	Skender	$243,235,078
30	Shawmut Design and Construction	$214,083,373
31	McCarthy Holdings	$209,060,557
32	Manhattan Construction Group	$192,238,409
33	Columbia	$191,000,000
34	Power Construction	$182,000,000
35	Adolfson & Peterson Construction	$178,343,247
36	Pepper Construction	$170,170,593
37	Walbridge	$168,568,377
38	Sundt Construction	$167,671,276
39	Lendlease	$163,984,753
40	Barton Malow	$146,500,000
41	Suffolk Construction	$142,082,063
42	Hunter Roberts Construction	$141,000,000
43	Crossland Construction	$131,547,552
44	JLL	$129,958,880
45	Hoffman Construction	$129,735,048
46	New South Construction	$128,741,000
47	Walsh Group, The	$121,864,925
48	Nabholz Corporation	$119,025,185
49	Rogers-O'Brien Construction	$117,837,464
50	Burns & McDonnell	$104,667,925
51	Andersen Construction	$94,800,000
52	C.W. Driver Companies	$89,884,883
53	Haskell	$88,121,904
54	Hill & Wilkinson General Contractors	$87,643,759
55	Joeris General Contractors	$81,800,279
56	DeAngelis Diamond	$81,289,136
57	Messer Construction	$74,523,805
58	Yates Companies, The	$74,452,000
59	McCownGordon Construction, LLC	$72,655,071
60	Paric Holdings	$67,000,000
61	Clancy & Theys Construction	$63,872,523
62	Batson-Cook Construction	$61,647,414
63	CORE Construction Group	$56,093,504
64	Hoar Construction	$55,071,000
65	Millie and Severson General Contractors	$53,396,093
66	Kaufman Lynn Construction	$52,829,079
67	LeChase Construction Services	$50,339,400
68	Russell Construction	$49,000,000
69	Schimenti Construction Company	$49,000,000
70	BL Harbert International	$48,205,756
71	W. M. Jordan Company	$46,268,941
72	McShane Companies, The	$46,159,719
73	Wohlsen Construction	$36,786,000
74	Haselden Construction	$36,560,175
75	Fortis Construction	$34,409,154
76	W.E. O'Neil Construction	$34,174,807
77	Elford	$30,000,000
78	CG Schmidt	$28,300,000
79	Bette Companies, The	$26,775,310
80	Robins & Morton	$20,989,859
81	Cumming	$20,063,000
82	Kraus-Anderson Construction	$19,000,000
83	Donohoe Construction	$18,042,552
84	Harkins Builders	$18,000,000
85	Boldt Company, The	$16,558,000
86	Sachse Construction	$15,000,000
87	BlueScope Construction	$10,875,850
88	KBE Building Corporation	$9,912,292
89	S. M. Wilson	$8,122,762
90	Hill International	$6,196,131
91	UrbanBuilt	$5,836,965
92	Hagerman Group, The	$5,000,000
93	Weis Builders	$3,974,236
94	Lawrence Group	$3,447,600
95	Juneau Construction Company	$3,200,000
96	VJS Construction Services	$2,531,856
97	Benchmark Construction	$2,377,816
98	CSI Construction	$2,000,000
99	Progressive AE	$1,987,128
100	JLG Architects	$1,695,382
101	KCI Technologies	$1,500,000
102	Graycor	$1,273,968
103	STV	$1,192,172
104	BRPH Architects Engineers	$906,483
105	Montroy DeMarco Architecture	$875,000
106	Henderson Engineers	$662,241
107	S/L/A/M Collaborative, The	$595,000
108	Cotter Consulting	$335,763
109	Premier Project Management	$250,000