Gensler, HDR, Page Southerland Page, Flad Architects, and DGA top BD+C's ranking of the nation's largest science and technology (S+T) facility architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking factors revenue from all science and technology (S+T) buildings work, including laboratories, research buildings, technology/innovation buildings, pharmaceutical production facilities, and semiconductor production facilities.
| Top 100 Science + Technology Facility Architecture Firms for 2023 | ||
| FIRM | 2022 REVENUE | |
| 1 | Gensler | $133,111,776 |
| 2 | HDR | $132,377,413 |
| 3 | Page Southerland Page | $108,435,600 |
| 4 | Flad Architects | $101,660,000 |
| 5 | DGA | $83,113,609 |
| 6 | HOK | $66,129,335 |
| 7 | Elkus Manfredi Architects | $65,753,463 |
| 8 | Perkins&Will | $57,350,590 |
| 9 | EwingCole | $56,857,000 |
| 10 | SmithGroup | $49,481,332 |
| 11 | Payette | $48,511,707 |
| 12 | ZGF | $46,510,511 |
| 13 | HGA | $41,054,267 |
| 14 | CannonDesign | $35,000,000 |
| 15 | Stantec | $27,223,935 |
| 16 | BWBR | $19,810,012 |
| 17 | SMMA | $16,668,706 |
| 18 | Hanbury | $15,726,055 |
| 19 | Ballinger | $15,279,161 |
| 20 | NBBJ | $15,000,000 |
| 21 | Skidmore, Owings & Merrill | $14,725,000 |
| 22 | Clark & Enersen | $14,250,533 |
| 23 | Ware Malcomb | $13,740,697 |
| 24 | McFarlane Architects | $13,143,000 |
| 25 | CO Architects | $12,819,610 |
| 26 | HED | $12,700,000 |
| 27 | Lord Aeck Sargent Planning & Design | $10,539,239 |
| 28 | SGA | $10,469,629 |
| 29 | ARC / Architectural Resources Cambridge | $8,628,774 |
| 30 | HERA Laboratory Planners | $8,246,878 |
| 31 | Sasaki | $7,999,996 |
| 32 | Cooper Carry | $7,433,182 |
| 33 | RS&H | $6,800,000 |
| 34 | BHDP Architecture | $6,454,650 |
| 35 | E4H Environments for Health Architecture | $5,612,908 |
| 36 | Carrier Johnson + Culture | $5,306,942 |
| 37 | Diamond Schmitt Architects | $5,039,770 |
| 38 | Margulies Perruzzi | $4,927,320 |
| 39 | Kirksey Architecture | $4,892,612 |
| 40 | Moody Nolan | $4,720,187 |
| 41 | BSA LifeStructures | $3,692,867 |
| 42 | LaBella Associates | $3,500,000 |
| 43 | EUA | $3,395,000 |
| 44 | AHL | $3,087,221 |
| 45 | AO | $2,700,000 |
| 46 | Hoefer Welker | $2,300,000 |
| 47 | HMC Architects | $2,247,817 |
| 48 | Ayers Saint Gross | $2,228,903 |
| 49 | Arcadis North America | $2,170,670 |
| 50 | S/L/A/M Collaborative, The | $2,153,200 |
| 51 | RSP Architects | $2,108,000 |
| 52 | RATIO Design | $2,053,812 |
| 53 | HKS | $2,000,000 |
| 54 | MBH Architects | $1,973,000 |
| 55 | Taylor Design | $1,910,968 |
| 56 | Alliiance | $1,880,360 |
| 57 | Mithun | $1,774,183 |
| 58 | Shepley Bulfinch | $1,750,403 |
| 59 | Handel Architects | $1,691,240 |
| 60 | DAG Architects | $1,499,157 |
| 61 | TreanorHL | $1,446,896 |
| 62 | Diekema Hamann Architecture | $1,430,750 |
| 63 | NORR | $1,320,554 |
| 64 | Guidon | $1,248,061 |
| 65 | LEO A DALY | $1,209,180 |
| 66 | Montroy DeMarco Architecture | $1,200,000 |
| 67 | Scientia Architects | $1,200,000 |
| 68 | Bailey Edward Design | $1,176,711 |
| 69 | Solomon Cordwell Buenz (SCB) | $1,144,631 |
| 70 | Cushing Terrell | $939,062 |
| 71 | INVISION Architecture | $938,786 |
| 72 | Hendy | $913,720 |
| 73 | Parkhill | $827,864 |
| 74 | Urbahn Architects | $810,000 |
| 75 | RDG Planning & Design | $751,554 |
| 76 | AE Works | $750,000 |
| 77 | IKM Architecture | $750,000 |
| 78 | V Squared Workshop | $673,956 |
| 79 | Blair + Mui Dowd Architects | $616,680 |
| 80 | Ratcliff Architecture | $600,000 |
| 81 | Álvarez-Díaz & Villalón | $589,000 |
| 82 | Kohn Pedersen Fox | $553,335 |
| 83 | SWBR | $471,677 |
| 84 | Champlin Architecture | $394,229 |
| 85 | Marmon Mok | $376,871 |
| 86 | FCArchitects | $356,334 |
| 87 | Oculus | $350,223 |
| 88 | CosciaMoos Architecture | $307,391 |
| 89 | Bergmeyer | $300,000 |
| 90 | Cromwell Architects Engineers | $298,935 |
| 91 | CPL Architecture, Engineering, Planning | $287,519 |
| 92 | CSO | $283,750 |
| 93 | Ashley McGraw Architects | $250,876 |
| 94 | Zimmerman Architectural Studios | $248,605 |
| 95 | Schmidt Associates | $232,500 |
| 96 | FGM Architects | $208,020 |
| 97 | Davis Brody Bond | $163,364 |
| 98 | Mackey Mitchell Architects | $118,458 |
| 99 | Quinn Evans | $101,582 |
| 100 | TowerPinkster | $73,326 |
| 101 | Cuningham | $63,643 |
| 102 | Architecture, Inc. | $62,700 |
| 103 | Hafer | $62,500 |
| 104 | KSS Architects | $61,525 |
| 105 | CSArch | $56,256 |
| 106 | Baskervill | $49,914 |
| 107 | Becker Morgan Group | $41,708 |
| 108 | LS3P Associates | $36,891 |
| 109 | Method Architecture | $27,683 |
| 110 | Little Diversified Architectural Consulting | $24,000 |
| 111 | VLK Architects | $19,200 |
| 112 | HuntonBrady Architects | $18,576 |
| 113 | Kitchell | $16,824 |
| 114 | TETER | $14,999 |
| 115 | MKM Architecture + Design | $1,063 |
Source: 2023 Giants 400 Report
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