Top Workplace/Interior Fitout Architecture, Engineering, and Construction Firms for 2022

Gensler, Interior Architects, AECOM, STO Building Group, and CBRE top the ranking of the nation's largest workplace/interior fitout architecture, engineering, and construction firms, as reported in Building Design+Construction's 2022 Giants 400 Report.

Top 165 Workplace/Interior Fitout Architecture and AE Firms
Top 50 Workplace/Interior Fitout Engineering and EA Firms
Top 90 Workplace/Interior Fitout Contractors and CM Firms

Top 165 Workplace/Interior Fitout Architecture and AE Firms for 2022 - BD+C Giants 400 Rankings FIRM 2021 REVENUE 1 Gensler $310,342,541 2 Interior Architects $119,322,998 3 HOK $101,105,729 4 Perkins and Will $63,403,675 5 SmithGroup $61,959,770 6 Skidmore, Owings & Merrill $40,167,000 7 Stantec $38,566,929 8 CallisonRTKL $34,334,825 9 Ted Moudis Associates $32,500,000 10 DLR Group $31,750,000 11 TPG Architecture $30,692,000 12 Whitman, Requardt & Associates $25,431,500 13 Corgan $24,787,575 14 Nelson Worldwide $24,573,045 15 ZGF Architects $23,859,632 16 Ware Malcomb $22,363,375 17 CannonDesign $20,000,000 18 Page $17,141,534 19 Vocon $16,725,600 20 NORR $16,053,128 21 Little Diversified Architectural Consulting $14,207,411 22 RSP Architects $13,533,000 23 Huntsman Architectural Group $13,328,464 24 Perkins Eastman $13,300,000 25 Cushing Terrell $12,062,436 26 Kohn Pederesen Fox Associates $10,392,758 27 LPA $10,362,135 28 Fogarty Finger $9,570,000 29 HGA $9,438,536 30 EUA $8,865,000 31 BHDP Architecture $7,837,866 32 CBT $6,796,112 33 H. Hendy Associates $6,493,633 34 HDR $6,364,125 35 Elkus Manfredi Architects $6,153,784 36 Dyer Brown & Associates $6,125,102 37 Kirksey Architecture $6,109,638 38 RS&H $6,100,000 39 Sasaki Associates $6,086,465 40 EYP $5,364,679 41 CBRE $5,324,866 42 Progressive AE $5,125,550 43 Moody Nolan $4,885,786 44 Flad Architects $4,780,800 45 REES $4,755,000 46 LMN Architects $4,591,232 47 Symmes Maini & McKee Associates (SMMA) $4,567,000 48 HED $4,397,711 49 Margulies Perruzzi $4,233,037 50 KZF Design $4,142,032 51 Montroy DeMarco Architecture $4,100,000 52 Leo A Daly $4,085,007 53 FCArchitects $3,974,125 54 H2M architects + engineers $3,807,459 55 Mithun $3,018,985 56 Cuningham $2,979,897 57 Core States Group $2,906,448 58 AE Works $2,733,873 59 RDG Planning & Design $2,704,574 60 PGAL $2,481,000 61 Smallwood $2,351,100 62 Clark Nexsen $2,333,500 63 Solomon Cordwell Buenz $2,328,656 64 GPD Group $2,300,000 65 Champlin Architecture $2,152,084 66 DGA planning | architecture | interiors $2,134,373 67 FitzGerald $1,913,000 68 Alliiance $1,799,830 69 Zyscovich $1,750,000 70 Dattner Architects $1,604,293 71 JRS Architect $1,600,000 72 CSO Architects $1,500,570 73 SLAM Collaborative, The $1,487,779 74 Bailey Edward Design $1,382,084 75 Luminaut $1,309,801 76 Baskervill $1,276,098 77 AE7 $1,246,522 78 TVS $1,226,014 79 Hoefer Welker $1,223,000 80 Ryan Companies US / Ryan A+E $1,215,722 81 Lawrence Group/Integrate Construction Partners $1,170,740 82 SHP $1,154,253 83 Colliers Engineering & Design $1,079,998 84 Legat Architects $1,073,000 85 Kahler Slater $1,050,000 86 Carrier Johnson + Culture $1,033,770 87 MA Design $1,026,863 88 Design Collaborative $1,013,681 89 Fentress Architects $1,000,000 -- TowerPinkster $1,000,000 -- MSA Design $1,000,000 92 Wendel $999,770 93 MBH Architects $991,000 94 Architecture Inc. $975,600 95 FGM Architects $947,447 96 AO $900,000 97 Niles Bolton Associates $886,951 98 Bray Associates Architects $883,755 99 Architecture Design Collaborative $750,000 100 KGD Architecture $733,375 101 LRK $709,000 102 Randall-Paulson Architects $708,890 103 Cooper Carry $705,864 104 FXCollaborative Architects $691,261 105 Hafer $664,461 106 Eckenhoff Saunders Architects $650,000 107 WDG $600,000 108 BWBR $575,595 109 BLDD Architects $575,000 110 Spiezle Architectural Group $563,000 111 Cromwell Architects Engineers $545,326 112 HBG Design $528,005 113 Epstein $525,000 114 BSA LifeStructures $522,259 115 RSC Architects $500,000 116 LHB $473,968 117 JLL $459,109 118 AHL $398,732 119 Pfluger Architects $390,197 120 KG+D Architects $361,395 121 McMillan Pazdan Smith $353,688 122 RGA Architects $347,920 123 Huitt-Zollars $345,132 124 Urbahn Architects $334,800 125 TreanorHL $326,216 126 Elevatus Architecture $311,400 127 BSB Design $309,767 128 Rule Joy Trammell Rubio $285,785 129 LS3P Associates $271,073 130 Method Architecture $238,130 131 GGLO $217,672 132 Miller Dunwiddie $200,000 133 //3877 $185,731 134 RRMM Architects $172,550 135 IKM Architecture $160,000 136 HNTB Corporation $146,179 137 VLK Architects $138,200 138 Kitchen & Associates $129,800 139 MKM architecture + design $129,070 140 CosciaMoos Architecture $128,035 141 BKV Group $126,000 142 Steinberg Hart $125,264 143 Fifth Dimension Architecture & Interiors $125,000 144 Clark & Enersen $110,940 145 45 Architecture $103,000 146 Grace Hebert Curtis Architects $99,751 147 DLA Architects, Ltd. $87,979 148 KCBA Architects $85,000 149 Stengel Hill Architecture $78,157 150 DLA+ Architecture & Interior Design $76,158 151 Orcutt | Winslow $71,870 152 Manning $69,951 153 GFF $69,037 154 BKSK Architects $62,000 155 CetraRuddy Architecture $61,390 156 Studio 3 Design $56,285 157 Hanbury $55,630 158 CSArch $49,401 159 Larson Design Group $46,492 160 Álvarez-Díaz & Villalón Architecture & Interior Design $42,578 161 Dahlin Group Architecture | Planning $38,641 162 Garmann Miller $32,860 163 CPL Architecture, Engineering, Planning $17,673 164 Finegold Alexander Architects $17,526 165 Sheehan Nagle Hartray Architects $16,000 166 V Squared Workshop $9,000 167 JCJ Architecture $7,155 168 Handel Architects $4,960 169 CO Architects $4,202 170 Davis Brody Bond $1,121

Source: 2022 Giants 400 Report

Top 50 Workplace/Interior Fitout Engineering and EA Firms for 2022 - BD+C Giants 400 Rankings FIRM 2021 REVENUE 1 AECOM $117,000,000 2 Jacobs $94,520,000 3 EXP $56,442,614 4 Alfa Tech Consulting Engineers $28,000,000 5 Jaros, Baum & Bolles $23,127,226 6 IMEG Corp. $18,300,000 7 AKF $17,284,209 8 Syska Hennessy Group $15,243,332 9 ESD $14,934,172 10 Salas O'Brien $12,286,624 11 CMTA $8,658,937 12 WSP $8,277,517 13 FSB Architects + Engineers $7,366,255 14 Shive-Hattery $6,879,839 15 TEECOM $6,811,664 16 Ghafari Associates $6,200,000 17 Bala Consulting Engineers $5,900,800 18 Langan $5,000,000 19 Henderson Engineers $4,157,288 20 Gresham Smith $3,806,294 21 KPFF Consulting Engineers $3,733,305 22 Highland Associates $3,100,000 23 Hixson Architecture, Engineering, Interiors $3,000,000 24 Heapy $2,811,961 25 CDM Smith $2,614,515 26 Bridgers & Paxton Consulting Engineers $2,613,060 27 TLC Engineering Solutions $2,570,133 28 Vanderweil Engineers $2,516,900 29 ME Engineers $2,500,000 30 Newcomb & Boyd $2,125,517 31 LaBella Associates $2,035,000 32 Prime AE Group $2,000,437 33 Dunham Associates $2,000,000 -- Karpinski Engineering $2,000,000 35 Wick Fisher White $1,881,407 36 Affiliated Engineers Inc. $1,635,890 37 Davis, Bowen & Friedel $1,129,945 38 PBS Engineers $750,000 39 M/E Engineering $664,275 40 Magnusson Klemencic Associates $609,277 41 Kohrs Lonnemann Heil Engineers (KLH) $605,300 42 Osborn Engineering $600,000 -- McKinstry $600,000 44 PS&S $300,000 45 Becker Morgan Group $298,623 46 I. C. Thomasson Associates $256,000 47 SSC Engineering $250,000 48 Evstudio $200,000 49 Arora Engineers $151,263 50 MHP $101,313 51 JQ Engineering $37,101

Source: 2022 Giants 400 Report

Top 90 Workplace/Interior Fitout Contractors and CM Firms for 2022 - BD+C Giants 400 Rankings FIRM 2021 REVENUE 1 STO Building Group $2,969,000,000 2 CBRE $1,211,015,031 3 HITT Contracting $1,024,288,783 4 J.T. Magen & Company $944,017,347 5 Clune Construction $627,230,913 6 Balfour Beatty US $399,155,624 7 PCL Construction Enterprises $384,191,647 8 DPR Construction $381,158,000 9 JRM Construction Management $380,000,000 10 Skyline Construction $377,488,333 11 Hensel Phelps $338,711,290 12 James G. Davis Construction $329,652,279 13 Gilbane Building Company $326,880,000 14 Level 10 Construction $278,392,771 15 Whiting-Turner Contracting Co., The $243,244,294 16 Swinerton $242,818,568 17 JLL $186,466,412 18 Skender $160,917,879 19 Executive Construction $151,000,000 20 Choate Construction $149,623,305 21 Alberici-Flintco $142,889,114 22 JE Dunn Construction $139,014,406 23 Pepper Construction $137,300,364 24 Holder Construction $105,000,000 25 Shawmut Design and Construction $96,986,775 26 J.H. Findorff & Son $83,763,741 27 Andersen Construction $82,186,000 28 Columbia $74,000,000 29 Weitz Company & Affiliates, The $73,024,911 30 Rodgers Builders $66,868,881 31 McCownGordon Construction $61,653,389 32 C.W. Driver Companies $55,248,352 33 Paric Holdings $53,537,163 34 Skanska USA $52,260,889 35 Hill & Wilkinson General Contractors $50,609,833 36 Schimenti Construction $50,061,820 37 McKinstry $49,000,000 38 Turner & Townsend $42,502,451 39 Manhattan Construction $42,078,858 40 Holt Construction $41,466,263 41 Saunders Construction $38,714,320 42 Russell Group $36,000,000 43 Fortis Construction $35,800,000 44 LeChase Construction Services $34,666,380 45 Commercial Contracting Corporation $34,000,000 46 Rogers-O'Brien Construction $31,685,897 47 Prevost Construction $30,415,543 48 Clancy & Theys Construction $24,386,480 49 Power Construction $24,000,000 50 Batson-Cook Construction $20,040,160 51 Miron Construction $17,924,000 52 Ryan Companies US / Ryan A+E $17,031,380 53 Donohoe Construction $16,889,500 54 Wesbuilt Construction Managers $16,014,000 55 Kitchell Corporation $15,098,037 56 Suffolk Construction $14,406,000 57 Lease Crutcher Lewis $14,021,006 58 Robins & Morton $12,426,054 59 Joeris General Contractors $9,655,034 60 McCrory Construction $9,650,980 61 Fite Building Company $8,247,715 62 Hill International $6,840,140 63 Boldt Company, The $6,685,000 64 W. M. Jordan Company $5,265,296 65 Kraus-Anderson $5,000,000 66 Tester Construction Group $4,999,796 67 Lawrence Group/Integrate Construction Partners $4,794,343 68 Enclave $4,739,000 69 Doster Construction $4,680,305 70 Benchmark Construction $4,594,460 71 BRPH Companies $4,140,000 72 BC Contracting Co. $3,799,000 73 Jacobs $3,537,548 74 Webcor $3,497,222 75 EBCO General Contractor $3,226,544 76 Blach Construction $3,011,502 77 Clark Contractors $2,996,217 78 Barton Malow Holdings $2,980,593 79 Richard Group $2,849,416 80 McAlpine Contracting $2,830,000 81 KCI Technologies $1,914,600 82 VJS Construction Services $1,789,579 83 CM&B $1,652,244 84 Howard Shockey & Sons $1,368,758 85 S. M. Wilson & Co. $819,608 86 STV $469,195 87 Henderson Engineers $316,113 88 Bette Companies, The $265,374 89 HPM $137,000 90 CMTA $95,803 91 Arc Building Partners $90,282 92 PMA Consultants $75,561 93 McDonough Bolyard Peck $72,199 94 W.E. O'Neil Construction $36,500 95 Heapy $31,916 96 Weis Builders $14,483 97 W.S. Cumby $13,796 98 SLAM Collaborative, The $8,000

Source: 2022 Giants 400 Report

2022 GIANTS 400 - AEC DISCIPLINE RANKINGS

A. Top 180 Architecture Firms
B. Top 110 Architecture/Engineering (AE) Firms
C. Top 80 Engineering Firms
D. Top 45 Engineering/Architecture (EA) Firms
E. Top 200 Contractors
F. Top 90 Construction Management Firms

2022 GIANTS 400 - 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 55 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 35 Convention Center Architecture + AE Firms for 2022
• Top 30 Convention Center Engineering + EA Firms for 2022
• Top 25 Convention Center Contractors + CM Firms for 2022

03. Cultural Facilities – All Cultural Facilities Work
• Top 110 Cultural Facilities Architecture and AE Firms – All Cultural Facilities Work
• Top 55 Cultural Facilities Engineering and EA Firms – All Cultural Facilities Work
• Top 55 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 35 Cultural Facilities Contractors and CM Firms – Museums and Galleries

05. Cultural Facilities – Performing Arts and Concert Venues
• Top 55 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 30 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 100 Design-Build Construction Firms

09. Government - All Government Buildings Work
• Top 160 Government Sector Architecture + AE Firms - All Government Work
• Top 90 Government Sector Engineering + EA Firms - All Government Work
• Top 90 Government Sector Contractors + CM Firms - All Government Work

10. Government - Federal Civilian Government
• Top 70 Federal Government Architecture + AE Firms
• Top 65 Federal Government Engineering + EA Firms
• Top 45 Federal Government Contractors + CM Firms

11. Government - Local Government Buildings
• Top 130 Local Government Architecture + AE Firms
• Top 80 Local Government Engineering + EA Firms
• Top 70 Local Government Contractors + CM Firms

12. Government - State Government Buildings
• Top 80 State Government Architecture + AE Firms
• Top 55 State Government Engineering + EA Firms
• Top 45 State Government Contractors + CM Firms

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