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Top 160 Workplace Interior Architecture Firms for 2023

Giants 400

Top 160 Workplace Interior Architecture Firms for 2023

Gensler, Interior Architects, HOK, SmithGroup, and Perkins&Will top BD+C's ranking of the nation's largest workplace interior and interior fitout architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report.


By BD+C Staff | January 29, 2024
Top 160 Workplace Interior Architecture Firms for 2023 Photo © Evan Joseph Foley Hoag, a leading international law firm, engaged Elkus Manfredi Architects to design its new workspace in Boston
Foley Hoag, a leading international law firm, engaged Elkus Manfredi Architects to design its new workspace in Boston to create an inspiring and welcoming experience for employees and guests. Designers leveraged the existing stair structure near reception and reclad it to create a two-story conference center offering sweeping views from the top floor and a warm, welcoming arrival experience on the reception floor. Photo © Evan Joseph

Gensler, Interior Architects, HOK, SmithGroup, and Perkins&Will top BD+C's ranking of the nation's largest workplace interior and interior fitout architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report.

 

Top 160 Workplace Interior Architecture Firms for 2023
 FIRM2022 REVENUE
1Gensler$422,788,310
2Interior Architects$139,060,869
3HOK$127,891,632
4SmithGroup$55,162,040
5Perkins&Will$51,590,311
6Stantec$47,390,248
7Michael Baker Intl.$44,304,956
8DLR Group$43,892,000
9TPG Architecture$41,937,000
10Skidmore, Owings & Merrill$38,375,000
11Ted Moudis Associates$34,000,000
12Ware Malcomb$32,613,595
13Corgan$32,460,339
14Nelson Worldwide$27,500,000
15Page Southerland Page$27,108,900
16NORR$24,108,214
17ZGF$23,757,087
18Whitman, Requardt & Associates$22,495,065
19LEO A DALY$22,392,183
20Vocon$21,335,582
21CannonDesign$17,000,000
22Huntsman Architectural Group$16,821,986
23Arcadis North America$16,550,445
24Little Diversified Architectural Consulting$16,361,900
25Perkins Eastman$16,053,149
26HGA$12,070,282
27Fogarty Finger$11,770,000
28LMN Architects$11,388,000
29LPA$11,291,463
30EUA$10,900,000
31BHDP Architecture$10,753,096
32Cushing Terrell$9,890,650
33RS&H$9,500,000
34RSP Architects$8,981,000
35HDR$8,700,000
36Kirksey Architecture$7,717,293
37LS3P Associates$7,115,682
38Dyer Brown & Associates$6,961,772
39Hendy$6,152,233
40SGA$6,061,365
41Gresham Smith$5,531,623
42Flad Architects$5,382,000
43Quinn Evans$5,258,538
44Elkus Manfredi Architects$5,255,410
45Margulies Perruzzi$5,004,921
46Sasaki$4,925,002
47Ballinger$4,824,638
48HED$4,760,000
49Kahler Slater$4,500,000
50Baskervill$4,343,191
51HuntonBrady Architects$4,338,585
52Goodwyn Mills Cawood$4,171,842
53Montroy DeMarco Architecture$4,130,000
54Kohn Pedersen Fox$4,035,983
55H2M Architects + Engineers$3,721,654
56Solomon Cordwell Buenz (SCB)$3,634,947
57RDG Planning & Design$3,551,357
58TVS$3,551,171
59REES$3,541,000
60FCArchitects$3,434,459
61Moody Nolan$3,232,250
62Alliiance$3,161,401
63Design Collaborative$2,993,267
64Cuningham$2,909,050
65Champlin Architecture$2,898,842
66AE Works$2,825,000
67FSB Architects + Engineers$2,608,115
68Bergmeyer$2,512,212
69Mithun$2,357,966
70GPD Group$2,300,000
71RATIO Design$2,248,376
72FitzGerald$2,200,000
73Core States Group$2,199,143
74Miller Dunwiddie$2,184,720
75Luminaut$2,182,000
76Smallwood$2,174,834
77SMMA$1,986,330
78BWBR$1,618,796
79JRS Architect$1,575,000
80MA Design$1,512,570
81GBBN$1,480,000
82DGA$1,430,156
83Architecture, Inc.$1,296,840
84PGAL$1,241,000
85FGM Architects$1,201,328
86BSB Design$1,191,237
87Randall-Paulson Architects$1,163,413
88Dattner Architects$1,158,838
89GFF$1,115,118
90Diamond Schmitt Architects$1,073,297
91Urbahn Architects$950,000
92SHP$937,171
93Oculus$907,992
94Hoefer Welker$900,000
95Marmon Mok$841,594
96//3877$835,000
97HBG Design$809,000
98KSS Architects$808,580
99S/L/A/M Collaborative, The$803,115
100Niles Bolton Associates$786,822
101LaBella Associates$750,000
102Eckenhoff Saunders Architects$700,000
103AE7$663,496
104Zimmerman Architectural Studios$601,781
105IKM Architecture$600,000
106MBH Architects$584,000
107GMB Architecture + Engineering$571,095
108Cooper Carry$565,848
109WDG$565,000
110LHB$564,036
111Onyx Creative$560,000
112Method Architecture$559,170
113Hafer$530,058
114HNTB$525,662
115LRK$513,000
116Davis Brody Bond$511,539
117SAS Architects & Planners$505,554
118Legat Architects$484,000
119AO$462,000
120McMillan Pazdan Smith$405,824
121McKinley Architecture and Engineering$385,584
122Clark & Enersen$372,615
123Spiezle Architectural Group$372,000
124TreanorHL$341,623
125MS Consultants$340,000
126GGLO$333,666
127MSA Design + MSA Sport$320,825
128CSO$268,341
129KTGY$267,576
130RRMM Architects$262,340
131Bray Architects$245,569
132Greenberg Farrow$245,000
133bKL Architecture$240,000
134Studio+$229,894
135TowerPinkster$219,489
136Elevatus Architecture$215,000
137Dahlin Architecture | Planning | Interiors$215,000
138MKM Architecture + Design$205,693
139Tricarico Architecture and Design$201,000
140FXCollaborative$200,822
141TETER$188,173
142DLA Architects$186,421
143Nadel Architecture + Planning$172,295
144NAC Architecture$171,295
145Fennick McCredie Architecture$170,551
146DLA+ Architecture & Interior Design$159,246
147Finegold Alexander Architects$149,443
148Álvarez-Díaz & Villalón$145,000
149DesignGroup$140,000
150Hanbury$131,027
151Rule Joy Trammell Rubio$130,000
152BKV Group$123,000
15345 Architecture$114,700
154BBS Architects, Landscape Architects & Engineers$103,461
155Thriven Design$96,690
156Diekema Hamann Architecture$90,794
157ATA Beilharz Architects$87,701
158INVISION Architecture$80,683
159Aria Group Architects$80,282
160AHL$65,784
161BSA LifeStructures$61,561
162Robert Siegel Architects$59,871
163CosciaMoos Architecture$51,843
164Garmann Miller$45,620
165Cromwell Architects Engineers$30,986
166Hill West Architects$27,000
167HMFH Architects$23,143
168Becker Morgan Group$22,656
169CPL Architecture, Engineering, Planning$19,097
170Reztark Design Studio$6,632
171Lord Aeck Sargent Planning & Design$1,880
 

Source: 2023 Giants 400 Report

 

2023 GIANTS 400 REPORT - TOP ARCHITECTURE FIRMS, ENGINEERING FIRMS, AND CONSTRUCTION COMPANIES

A. Top 175 Architecture Firms 
B. Top 115 Architecture/Engineering (AE) Firms 
C. Top 75 Engineering Firms 
D. Top 35 Engineering/Architecture (EA) Firms 
E. Top 150 Contractors                 
F. Top 80 Construction Management Firms                

 

2023 GIANTS 400 REPORT - TOP AEC FIRMS BY BUILDING SECTOR AND SPECIALTY RANKINGS                 

Note: All categories below except for 08 and 23 include multiple rankings for the sector: Top Architecture+AE Firms; Top Engineering+EA Firms; and Top Contractors+CM Firms.

01. Airport Terminals 
• Top 65 Airport Terminal Architecture and AE Firms 
• Top 65 Airport Terminal Engineering and EA Firms 
• Top 60 Airport Terminal Contractors and CM Firms 

02. Convention Centers/Conference Centers 
• Top 40 Convention Center Architecture + AE Firms
• Top 30 Convention Center Engineering + EA Firms 
• Top 20 Convention Center Contractors + CM Firms

03. Cultural Facilities – All Cultural Facilities Work    
• Top 110 Cultural Facilities Architecture and AE Firms – All Cultural Facilities Work 
• Top 60 Cultural Facilities Engineering and EA Firms – All Cultural Facilities Work 
• Top 65 Cultural Facilities Contractors and CM Firms – All Cultural Facilities Work 

04. Cultural Facilities – Museums and Galleries 
• Top 70 Cultural Facilities Architecture and AE Firms – Museums and Galleries 
• Top 40 Cultural Facilities Engineering and EA Firms – Museums and Galleries 
• Top 40 Cultural Facilities Contractors and CM Firms – Museums and Galleries

05. Cultural Facilities – Performing Arts and Concert Venues 
• Top 60 Cultural Facilities Architecture and AE Firms – Performing Arts and Concert Venues 
• Top 40 Cultural Facilities Engineering and EA Firms – Performing Arts and Concert Venues 
• Top 35 Cultural Facilities Contractors and CM Firms – Performing Arts and Concert Venues

06. Cultural Facilities – Public Libraries 
• Top 50 Cultural Facilities Architecture and AE Firms – Public Libraries 
• Top 30 Cultural Facilities Engineering and EA Firms – Public Libraries 
• Top 20 Cultural Facilities Contractors and CM Firms – Public Libraries

07. Data Centers         
• Top 30 Data Center Sector Architecture and AE Firms 
• Top 60 Data Center Sector Engineering and EA Firms 
• Top 50 Data Center Sector Contractors and CM Firms

08. Design-Build Work 
• Top 90 Design-Build Construction Firms

09. Government - All Government Buildings Work 
• Top 170 Government Sector Architecture + AE Firms - All Government Work 
• Top 90 Government Sector Engineering + EA Firms - All Government Work 
• Top 100 Government Sector Contractors + CM Firms - All Government Work

10. Government - Federal Civilian Government 
• Top 70 Federal Government Architecture + AE Firms  
• Top 60 Federal Government Engineering + EA Firms  
• Top 50 Federal Government Contractors + CM Firms 

11. Government - Local Government Buildings 
• Top 150 Local Government Architecture + AE Firms  
• Top 80 Local Government Engineering + EA Firms  
• Top 80 Local Government Contractors + CM Firms 

12. Government - State Government Buildings 
• Top 90 State Government Architecture + AE Firms  
• Top 50 State Government Engineering + EA Firms  
• Top 50 State Government Contractors + CM Firms

13. Government - Military 
• Top 40 Military Facility Architecture + AE Firms  
• Top 50 Military Facility Engineering + EA Firms  
• Top 35 Military Facility Contractors + CM Firms 

14. Government - Veterans Administration Facilities 
• Top 35 Veterans Affairs (VA) Facility Architecture + AE Firms  
• Top 20 Veterans Affairs (VA) Facility Engineering + EA Firms  
• Top 15 Veterans Affairs (VA) Facility Contractors + CM Firms

15. Healthcare – All Healthcare Facilities Work 
Top 175 Healthcare Sector Architecture and AE Firms 
Top 90 Healthcare Sector Engineering and EA Firms 
Top 115 Healthcare Sector Contractors and CM Firms       

16. Healthcare – Hospitals 
Top 130 Hospital Facility Architecture and AE Firms 
Top 80 Hospital Facility Engineering and EA Firms 
Top 90 Hospital Facility Contractors and CM Firms 

17. Healthcare – Medical Office Buildings, Dental Offices 
Top 110 Medical Office Building Architecture and AE Firms 
Top 50 Medical Office Building Engineering and EA Firms 
Top 70 Medical Office Building Contractors and CM Firms

18. Healthcare – Outpatient Facilities  
Top 100 Outpatient Facility Architecture and AE Firms 
Top 40 Outpatient Facility Engineering and EA Firms 
Top 60 Outpatient Facility Contractors and CM Firms

19. Hospitality – All Hospitality Facilities Work (Hotels, Resorts, Casinos) 
Top 130 Hospitality Facility Sector Architecture and AE Firms 
Top 75 Hospitality Facility Engineering and EA Firms 
Top 80 Hospitality Facility Contractors and CM Firms

20. Hospitality — Hotel, Resorts 
Top 120 Hotel Sector Architecture and AE Firms
Top 70 Hotel and Resort Engineering and EA Firms 
Top 80 Hotel and Resort Contractors and CM Firms

21. Hospitality — Casinos 
Top 10 Casino Architecture and AE Firms 
Top 25 Casino Engineering and EA Firms 
Top 25 Casino Contractors and CM Firms 

22. Industrial Buildings — Manufacturing Plants, Warehouses 
Top 100 Industrial Facility Architecture and AE Firms 
Top 90 Industrial Facility Engineering and EA Firms 
Top 100 Industrial Facility Contractors and CM Firms 
        
23. Integrated Project Delivery (IPD) 
Top 20 Integrated Project Delivery (IPD) Construction Firms

24. Multifamily — All Multifamily Facilities Work 
Top 190 Multifamily Sector Architecture and AE Firms — All Multifamily Facilities Work 
Top 75 Multifamily Sector Engineering and EA Firms — All Multifamily Facilities Work 
Top 115 Multifamily Sector Contractors and CM Firms — All Multifamily Facilities Work

25. Multifamily — Apartments, Condominiums 
Top 160 Multifamily Sector Architecture and AE Firms — Apartments, Condominiums Work 
Top 70 Multifamily Sector Engineering and EA Firms — Apartments, Condominiums Work 
Top 100 Multifamily Sector Contractors and CM Firms — Apartments, Condominiums Work

26. Multifamily — Senior Living Facilities 
Top 80 Multifamily Sector Architecture and AE Firms — Senior Living Facilities 
Top 40 Multifamily Sector Engineering and EA Firms — Senior Living Facilities 
Top 60 Multifamily Sector Contractors and CM Firms — Senior Living Facilities

27. Multifamily — Student Housing Facilities 
Top 90 Multifamily Sector Architecture and AE Firms — Student Housing Facilities 
Top 30 Multifamily Sector Engineering and EA Firms — Student Housing Facilities 
Top 40 Multifamily Sector Contractors and CM Firms — Student Housing Facilities

28. Office — All Office Building Work                 
Top 200 Office Sector Architecture and AE Firms 
Top 90 Office Sector Engineering and EA Firms 
Top 120 Office Sector Contractors and CM Firms

29. Office — Buildings/Core+Shell  
Top 140 Office Building Core+Shell Architecture + AE Firms  
Top 80 Office Building Core+Shell Engineering + EA Firms 
Top 100 Office Building Core+Shell Contractors and CM Firms

30. Office — Workplace/Interior Fitouts  
Top 160 Workplace/Interior Fitout Architecture and AE Firms 
Top 50 Workplace/Interior Fitout Engineering and EA Firms 
Top 80 Workplace/Interior Fitout Contractors and CM Firms

31. Parking Structures 
Top 60 Parking Structure Architecture and AE Firms  
Top 45 Parking Structure Engineering and EA Firms 
Top 55 Parking Structure Contractors + CM Firms 

32. Public Safety/Justice Facilities 
Top 90 Justice Facility/Public Safety Sector Architecture and AE Firms 
Top 60 Justice Facility/Public Safety Sector Engineering and EA Firms 
Top 50 Justice Facility/Public Safety Contractors + CM Firms

33. Reconstruction Work 
Top 200 Reconstruction Sector Architecture and AE Firms 
Top 70 Reconstruction Sector Engineering and EA Firms 
Top 140 Reconstruction Sector Contractors + CM Firms

34. Religious Structures/Places of Worship 
Top 80 Religious Facility Architecture and AE Firms 
Top 50 Religious Facility Engineering and EA Firms 
Top 40 Religious Facility Contractors + CM Firms 

35. Retail — All Retail Buildings Work                
Top 140 Retail Sector Architecture and AE Firms — All Retail Buildings Work 
Top 75 Retail Sector Engineering and EA Firms — All Retail Buildings Work 
Top 80 Retail Sector Contractors and CM Firms — All Retail Buildings Work

36. Retail — Entertainment Centers, Cineplexes, Theme Parks 
Top 30 Retail Architecture and AE Firms — Entertainment Centers, Cineplexes, Theme Parks 
Top 40 Retail Engineering and EA Firms — Entertainment Centers, Cineplexes, Theme Parks 
Top 40 Retail Contractors and CM Firms — Entertainment Centers, Cineplexes, Theme Parks

37. Retail — Malls, Big Box Stores, Strip Centers 
Top 90 Retail Architecture and AE Firms - Malls, Big Box Stores, Strip Centers 
Top 60 Retail Engineering and EA Firms — Malls, Big Box Stores, Strip Centers 
Top 60 Retail Contractors and CM Firms — Malls, Big Box Stores, Strip Centers

38. Retail — Restaurants 
Top 90 Retail Architecture and AE Firms — Restaurants 
Top 40 Retail Engineering and EA Firms — Restaurants 
Top 40 Retail Contractors and CM Firms — Restaurants

39. Science & Technology (S+T) Facilities - All S+T Buildings Work 
Top 100 Science + Technology Facility Architecture and AE Firms 
Top 70 Science + Technology Facility Engineering and EA Firms 
Top of 80 Science + Technology Facility Contractors and CM Firms 
           
40. Science & Technology — Laboratories 
Top 100 Laboratory Facility Architecture and AE Firms 
Top 60 Laboratory Facility Engineering and EA Firms 
Top 55 Laboratory Facility Contractors and CM Firms              

41. Schools — PK-12, Public, Private, Charter, Military 
Top 170 K-12 School Sector Architecture and AE Firms 
Top 80 K-12 School Sector Engineering and EA Firms 
Top 100 K-12 School Sector Contractors and CM Firms

42. Sports Facilities/Stadiums/Recreation Facilities  
Top 130 Sports Facility Architecture and AE Firms 
Top 70 Sports Facility Engineering and EA Firms 
Top 70 Sports Facility Contractors and CM Firms      

43. Telecommunications Buildings 
Top 10 Telecommunications Facility Sector Architecture and AE Firms 
Top 25 Telecommunications Facility Sector Engineering and EA Firms 
Top 10 Telecommunications Facilities Contractors + CM Firms

44. Transit Facilities — Bus/Rail Terminals and Stations 
Top 40 Transit Facility Architecture and AE Firms 
Top 40 Transit Facility Engineering and EA Firms 
Top 25 Transit Facilities Contractors + CM Firms

45. University / College Facilities  
• Top 170 University Sector Architecture and AE Firms 
• Top 80 University Sector Engineering and EA Firms 
• Top 100 University Sector Contractors and CM Firms

 

PAST GIANTS 400 REPORTS

2022 Giants 400 Report
2021 Giants 400 Report 
2020 Giants 400 Report 
2019 Giants 300 Report 
2018 Giants 300 Report 
2017 Giants 300 Report

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