2021 Reconstruction Sector Giants: Top architecture, engineering, and construction firms in the U.S. building reconstruction and renovation sector

STO Building Group, Alfa Tech Consulting Engineers, Gensler, and Stantec top BD+C's rankings of the nation's largest reconstruction sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Top 180 Reconstruction Sector Architecture and AE Firms for 2021
	FIRM	2020 REVENUE
1	Gensler	$354,321,703
2	Stantec	$310,038,312
3	HDR	$204,890,000
4	Corgan	$149,650,755
5	Nelson Worldwide	$146,472,297
6	HOK	$111,750,000
7	CannonDesign	$110,000,000
8	HGA	$100,752,541
9	CallisonRTKL	$94,794,664
10	ZGF Architects	$93,468,392
11	DLR Group	$92,250,000
12	HKS	$86,010,784
13	Interior Architects	$81,946,428
14	Perkins Eastman	$79,200,000
15	RSP Architects	$69,829,000
16	Ware Malcomb	$69,158,536
17	HED	$63,637,000
18	Flad Architects	$58,158,000
19	HMC Architects	$51,481,933
20	LEO A DALY	$50,690,264
21	SLAM	$45,309,635
22	Quinn Evans	$43,979,781
23	EwingCole	$43,400,000
24	NORR	$43,098,599
25	DGA Planning \| Architecture \| Interiors	$42,896,286
26	PBK	$40,170,000
27	Wold Architects and Engineers	$39,630,000
28	HNTB	$39,446,657
29	EYP	$37,432,582
30	SmithGroup	$37,403,595
31	Huckabee	$36,746,119
32	RS&H	$34,100,000
33	Ted Moudis Associates	$32,500,000
34	Eppstein Uhen Architects	$31,320,000
35	WATG	$28,898,000
36	E4H Environments for Health Architecture	$28,200,000
37	VLK Architects	$27,450,000
38	H2M Architects + Engineers	$27,141,964
39	Alliiance	$26,062,303
40	LPA	$25,807,698
41	MBH Architects	$25,476,000
42	Little Diversified Architectural Consulting	$25,411,233
43	LaBella Associates	$24,978,000
44	Diamond Schmitt Architects	$24,441,516
45	Dattner Architects	$24,389,684
46	Vocon	$24,214,600
47	Shepley Bulfinch	$23,921,539
48	Clark Nexsen	$23,839,200
49	Ayers Saint Gross	$23,650,872
50	Cooper Carry	$23,428,825
51	TreanorHL	$23,068,637
52	Elkus Manfredi Architects	$21,800,000
53	Bergmann	$21,549,000
54	Hord Coplan Macht	$20,906,269
55	BSA LifeStructures	$20,400,745
56	Lawrence Group	$20,381,789
57	WD Partners	$20,300,000
58	Cuningham	$19,297,308
59	Ratio Design	$18,533,134
60	NAC Architecture	$17,882,668
61	Moseley Architects	$17,453,734
62	FCA	$17,276,187
63	Moody Nolan	$16,958,591
64	Zyscovich	$16,101,784
65	Becker Morgan Group	$16,063,771
66	GBBN	$15,600,000
67	Quattrocchi Kwok Architects	$15,196,029
68	KZF Design	$15,107,343
69	Woolpert	$14,663,081
70	Array Architects	$14,643,800
71	CBT	$14,241,135
72	Legat Architects	$13,893,600
73	Huntsman Architectural Group	$13,619,591
74	Larson Design Group	$13,597,917
75	Hollis + Miller Architects	$13,490,449
76	Baskervill	$13,250,017
77	CTA Architects	$13,035,934
78	AHL	$12,893,424
79	Solomon Cordwell Buenz	$12,508,796
80	Cromwell Architects Engineers	$12,498,737
81	TETER	$12,140,445
82	Spiezle Architectural Group	$12,000,000
83	FXCollaborative	$11,928,974
84	Plunkett Raysich Architects	$11,621,786
85	Fanning Howey Associates	$11,261,445
86	GMB Architecture + Engineering	$10,924,794
87	JCJ Architecture	$10,504,205
88	Payette	$10,258,710
89	BCA Architects & Engineers	$10,000,000
90	BBS Architects	$9,780,249
91	CSArch	$9,675,207
92	Clark & Enersen	$9,608,737
93	AO	$9,200,000
94	AE Works Ltd.	$9,100,000
95	SEI Design Group Architects	$8,636,179
96	RRMM Architects	$8,634,600
97	GWWO Architects	$8,506,523
98	Fogarty Finger	$8,246,700
99	TRIA	$8,174,650
100	Kahler Slater	$8,020,000
101	RDC-S111	$7,977,303
102	RDG Planning & Design	$7,814,495
103	Architecture, Incorporated	$7,800,000
104	Ashley McGraw Architects	$7,795,726
105	Sheehan Nagle Hartray Architects	$7,593,576
106	KCCT	$7,028,520
107	SHP	$7,000,000
108	STR Partners	$6,739,841
109	Taylor Design	$6,642,000
110	Ennead Architects	$6,636,841
111	Nehmer	$6,600,000
112	DLZ Corp.	$6,429,042
113	DLA Architects	$6,258,374
114	Steelman Partners	$6,125,000.00
115	Massa Multimedia Architecture	$5,953,174
116	BLDD Architects	$5,807,190
117	RKTB Architects	$5,673,113
118	Eckenhoff Saunders Architects	$5,600,000
119	Barge Design Solutions	$5,567,243
120	Sasaki	$5,470,785
121	Kirksey Architecture	$5,461,092
122	CO Architects	$5,326,857
123	Huitt-Zollars	$5,312,940
124	Urbahn Architects	$5,299,850
125	Jackson \| Main Architecture	$5,185,267
126	REES	$5,012,142
127	Finegold Alexander Architects	$4,856,000
128	Miller Dunwiddie	$4,453,336
129	Dyer Brown & Associates	$4,196,603
130	Garmann Miller & Associates	$4,135,800
131	Glenn\|Partners	$3,894,918
132	Mascari Warner Dinh Architects	$3,800,000
133	Grimm + Parker Architects	$3,738,246
134	Curtis + Ginsberg Architects	$3,550,000
135	Method Architecture	$3,426,050
136	Hanbury	$3,297,742
137	PF&A Design	$3,288,613
138	CetraRuddy Architecture	$3,262,308
139	Davis Brody Bond	$3,118,815
140	SLCE Architects, LLP	$2,938,000
141	Studio+	$2,918,827
142	Hoefer Welker	$2,889,000
143	Bermello Ajamil & Partners	$2,800,214
144	JRS Architect	$2,750,000
145	Hastings+Chivetta Architects	$2,587,965
146	Performa	$2,420,600
147	Emersion Design	$2,415,197
148	G70	$2,274,414
149	Dahlin Group Architecture Planning	$2,255,000
150	PCA	$2,251,556
151	GRW	$2,240,094
152	H. Hendy Associates	$2,226,796
153	Architectural Design Consultants	$2,075,465
154	Goettsch Partners	$1,840,000
155	SGA \| NarmourWright Design	$1,830,555
156	Osports	$1,793,930
157	Cooper Robertson	$1,481,818
158	ThenDesign Architetcure	$1,470,000
159	GGLO	$1,436,350
160	FitzGerald	$1,400,000
161	Architecture Design Collaborative	$1,375,000
162	Rule Joy Trammell + Rubio	$1,314,120
163	HBG Design	$1,308,000
164	Kitchen & Associates	$1,232,385
165	EDI International	$1,062,683
166	ATA Beilharz Architects	$1,000,000
167	AG Architecture	$858,212
168	AE Design Group	$829,000
169	Handel Architects	$770,799
170	Skidmore, Owings & Merrill	$760,109
171	Guide Architecture	$736,713
172	DMS Design	$700,000
173	GreenbergFarrow	$580,000
174	HMFH Architects	$550,265
175	Body Lawson Associates	$522,654
176	Adache Group Architects	$500,000
177	RGA Architects	$492,157
178	Line Scale Form	$479,330
179	Randall-Paulson Architects	$444,817
180	Niles Bolton Associates	$346,905
181	KGD Architecture	$308,056
182	Scientia Architects	$300,000
183	RQAW	$195,036
184	Macgregor Associates Architects	$176,727
185	Hill West Architects	$167,000
186	Sebree Architects	$100,000

SOURCE: 2021 Giants 400 Report

Top 80 Reconstruction Sector Engineering and EA Firms for 2021
	FIRM	2020 REVENUE
1	Alfa Tech Consulting Engineers	$600,000,000
2	IPS-Integrated Project Services	$450,913,314
3	EXP	$227,507,738
4	WSP USA	$182,533,765
5	SSOE Group	$160,860,323
6	IMEG Corp.	$143,200,000
7	Arup	$141,991,462
8	Salas O'Brien	$130,307,886
9	Henderson Engineers	$124,288,494
10	STV	$116,861,700
11	CMTA	$109,663,092
12	NV5 Global	$106,519,000
13	CRB	$101,330,000
14	Wiss, Janney, Elstner Associates	$95,620,000
15	CHA Consulting	$83,940,000
16	Epstein	$75,022,800
17	Thornton Tomasetti	$66,694,691
18	Burns & McDonnell	$65,652,150
19	Morrison Hershfield	$49,932,966
20	BRPH	$48,718,656
21	Syska Hennessy Group	$47,665,504
22	Dewberry	$47,279,978
23	Jaros, Baum & Bolles	$44,038,616
24	KPFF Consulting Engineers	$39,273,000
25	AKF Group	$38,900,000
26	Arora Engineers	$35,546,511
27	KCI Technologies	$30,129,200
28	ESD	$29,840,529
29	Ghafari Associates	$28,000,000
30	RMF Engineering	$25,000,000
31	TLC Engineering Solutions	$24,375,302
32	Vanderweil Engineers	$24,152,500
33	Walter P Moore	$23,470,607
34	HEAPY	$19,440,812
35	P2S	$18,147,796
36	Apogee Consulting Group	$18,088,558
37	Osborn Engineering	$17,600,000
38	Newcomb & Boyd	$16,977,224
39	TEECOM	$16,701,237
40	Dunham Associates	$16,070,000
41	I.C. Thomasson Associates	$16,035,210
42	French & Parrello Associates	$15,537,636
43	Highland Associates	$15,200,000
44	Bala Consulting Engineers	$15,129,000
45	Affiliated Engineers Inc.	$13,476,325
46	DeSimone Consulting Engineers	$13,183,894
47	H.F. Lenz	$11,982,000
48	Black & Veatch Corp.	$11,770,000
49	ME Engineers	$11,510,000
50	M/E Engineering	$11,386,000
51	Bridgers & Paxton Consulting Engineers	$10,531,933
52	Halff Associates	$10,134,000
53	PS&S	$9,633,425
54	Karpinski Engineering	$9,600,500
55	Kohler Ronan	$8,986,352
56	Martin/Martin Consulting Engineers	$8,057,172
57	GRAEF	$7,048,157
58	Swanson Rink	$7,000,000
59	Olsson	$6,931,969
60	Weitz Company, The	$6,486,800
61	PBS Engineers	$6,203,000
62	Spectrum Engineers	$6,088,188
63	Specialized Engineering Solutions	$6,040,143
64	SchraderGroup	$5,691,643
65	MHP Structural Engineers	$5,548,541
66	Architectural Engineers	$5,055,330
67	DHE Engineering	$4,756,603
68	Wick Fisher White	$4,331,000
69	SSC Engineering	$4,040,720
70	Primera Engineers	$3,910,847
71	Galloway & Company	$3,297,443
72	Davis, Bowen & Friedel	$3,292,179
73	JQ Engineering	$3,281,861
74	KCL Engineering	$3,050,309
75	Allen + Shariff	$2,837,725
76	EYP Mission Critical Facilities	$1,800,000
77	Stanley Consultants	$1,529,174
78	Paradigm Structural Engineers	$1,313,958
79	Structured Engineering Solutions	$1,300,000
80	LBYD	$1,228,159
81	JALRW Engineering Group	$609,000
82	Magnusson Klemencic Associates	$548,553
83	G2 Consulting Group	$450,000
84	Schaefer	$305,034

SOURCE: 2021 Giants 400 Report

Top 100 Reconstruction Sector Contractors and CM Firms for 2021
	FIRM	2020 REVENUE
1	STO Building Group	$3,592,119,841
2	Turner Construction	$2,908,033,885
3	Gilbane Building Company	$2,847,313,000
4	Whiting-Turner Contracting Co., The	$1,847,259,084
5	Hensel Phelps	$1,716,537,460
6	HITT Contracting	$1,703,404,485
7	PCL Construction	$1,478,800,980
8	Clune Construction	$1,163,512,647
9	Skanska USA	$1,068,826,802
10	J.T. Magen	$973,785,387
11	Shawmut Design and Construction	$962,489,654
12	Balfour Beatty US	$847,338,250
13	DPR Construction	$836,379,000
14	JE Dunn	$722,837,753
15	Messer Construction	$681,146,096
16	Pepper Construction	$640,469,932
17	Swinerton	$572,487,789
18	BartonMalow	$542,249,459
19	McCarthy Holdings	$518,401,181
20	IPS-Integrated Project Services	$450,913,314
21	James G. Davis Construction	$438,132,336
22	Mortenson	$400,811,000
23	ARCO Construction Companies	$376,857,036
24	Manhattan Construction Group	$362,143,740
25	Yates Companies, The	$357,149,000
26	Hill International	$354,204,430
27	Walsh Group, The	$340,630,014
28	Robins & Morton	$338,968,186
29	Lendlease	$337,512,188
30	Nabholz	$328,230,625
31	LeChase Construction Services	$291,340,978
32	Schimenti Construction	$282,000,000
33	Ryan Companies US / Ryan A+E	$267,465,447
34	Skender	$266,045,656
35	Level 10	$257,380,782
36	CORE Construction Group	$250,495,393
37	Executive Construction	$250,000,000
38	C.W. Driver Companies	$230,760,421
39	Suffolk Construction	$230,049,891
40	Columbia	$229,800,000
41	Hunter Roberts Construction	$225,512,000
42	Walbridge	$210,721,763
43	Power Construction	$209,000,000
44	Kraus-Anderson Construction	$208,000,000
45	Holder Construction	$199,044,270
46	Archstone Builders	$196,935,705
47	Choate Construction	$193,332,429
48	Saunders Construction	$189,550,901
49	McShane Companies, The	$189,538,850
50	W.E. O'Neil Construction	$172,705,344
51	Fortis Construction	$168,979,629
52	Boldt Company, The	$160,761,000
53	Hagerman Group, The	$158,000,000
54	Andersen Construction	$140,000,000
55	Beck Group, The	$139,796,216
56	McCownGordon Construction	$139,023,973
57	Sachse Construction	$123,000,000
58	Adolfson & Peterson Construction	$121,203,546
59	Doster Construction	$118,640,737
60	Lease Crutcher Lewis	$109,669,008
61	CMTA	$109,663,092
62	Hill & Wilkinson General Contractors	$107,990,562
63	W. M. Jordan Company	$107,375,130
64	Hoar Construction	$102,457,000
65	Cortland Build	$101,873,266
66	Russell Construction	$92,000,000
67	Bette Companies, The	$90,041,182
68	Landry/French Construction	$82,555,000
69	Wohlsen Construction Company	$74,650,000
70	Millie and Severson General Contractors	$73,250,611
71	Dickinson Cameron Construction	$70,000,000
72	Hoffman Construction	$67,413,704
73	Haselden Construction	$64,989,420
74	Blach Construction	$62,000,000
75	Paric Holdings	$60,000,000
76	McKinstry	$59,000,000
77	KBE Building Corp.	$54,127,320
78	Benchmark Construction	$51,349,333
79	VCC	$48,937,237
80	Donohoe Construction	$48,793,845
81	BRPH	$48,718,656
82	Austin Industries	$45,677,238
83	S. M. Wilson & Co.	$43,989,181
84	Batson-Cook	$41,079,716
85	Webcor	$35,000,079
86	James McHugh Construction	$33,516,110
87	DeAngelis Diamond	$32,685,400
88	VRH Construction	$27,400,000
89	Weis Builders	$25,782,205
90	Harkins Builders	$25,000,000
91	CSI Construction	$24,021,145
92	Rogers-O'Brien Construction	$23,718,116
93	Kaufman Lynn Construction	$22,948,215
94	Arc Building Partners	$21,242,452
95	Campus Construction Management Group	$13,100,000
96	Bozzuto Construction	$12,315,661
97	New South Construction	$10,355,000
98	Cotter Consulting	$4,304,444
99	Juneau Construction	$3,808,606
100	EBCO General Contractor	$2,564,780
101	McAlpine Contracting Co.	$1,833,050
102	Brownstone	$727,950
103	HPM	$186,000

SOURCE: 2021 Giants 400 Report

BACK TO THE 2021 GIANTS 400 LANDING PAGE

Building Design+Construction's annual Giants 400 Report ranks the nation's top architecture, architecture/engineering (AE), engineering/architecture (EA), general contractors, and fee-based construction management (CM) firms, by revenue. You’ll want to be sure your firm is on the Giants 400 lists, as potential clients look to these rankings for prospective firms to design and construct their future projects.

BD+C Giants 400 Rankings photo by Bruce Damonte, courtesy MBH Architects

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