Jacobs, WSP, Alfa Tech, and AECOM head BD+C's ranking of the nation's largest office building sector engineering and engineering/architecture (EA) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking includes revenue for all office building work, including core and shell projects and workplace/interior fitouts.
| Top 90 Office Building Engineering Firms for 2023 | ||
| FIRM | 2022 REVENUE | |
| 1 | Jacobs | $501,900,000 |
| 2 | WSP | $229,374,531 |
| 3 | Alfa Tech Consulting Engineers | $189,600,000 |
| 4 | AECOM | $143,500,000 |
| 5 | Thornton Tomasetti | $108,370,385 |
| 6 | Tetra Tech High Performance Buildings Group | $99,232,278 |
| 7 | Burns & McDonnell | $89,406,860 |
| 8 | Langan | $56,000,000 |
| 9 | NV5 Global | $55,437,190 |
| 10 | Dewberry | $43,161,478 |
| 11 | Arup | $41,669,328 |
| 12 | Kimley-Horn | $38,770,000 |
| 13 | McKinstry | $36,500,000 |
| 14 | Syska Hennessy Group | $33,391,448 |
| 15 | IMEG | $33,384,600 |
| 16 | Whitman, Requardt & Associates | $32,135,807 |
| 17 | Jaros, Baum & Bolles | $31,858,640 |
| 18 | ESD (now Stantec Consulting Services, Inc.) | $25,951,483 |
| 19 | BKF Engineers | $24,265,923 |
| 20 | Salas O'Brien | $23,063,328 |
| 21 | Walter P Moore | $19,609,845 |
| 22 | Vanderweil Engineers | $18,931,700 |
| 23 | Magnusson Klemencic Associates | $18,636,703 |
| 24 | AKF | $17,605,450 |
| 25 | Ghafari Associates | $15,504,000 |
| 26 | Wiss, Janney, Elstner Associates | $13,583,000 |
| 27 | EXP | $12,448,000 |
| 28 | KPFF Consulting Engineers | $11,492,458 |
| 29 | Morrison Hershfield | $11,310,275 |
| 30 | ME Engineers | $10,900,000 |
| 31 | Woolpert | $10,500,000 |
| 32 | Interface Engineering | $10,197,764 |
| 33 | ISG | $9,697,144 |
| 34 | CMTA | $9,249,535 |
| 35 | TLC Engineering Solutions | $9,230,758 |
| 36 | CDM Smith | $8,266,739 |
| 37 | Bala Consulting Engineers | $8,253,750 |
| 38 | SSOE | $8,235,854 |
| 39 | Teecom | $7,914,282 |
| 40 | Shive-Hattery | $7,551,958 |
| 41 | Affiliated Engineers | $7,487,915 |
| 42 | Newcomb & Boyd | $7,012,642 |
| 43 | DLZ Corporation | $6,391,719 |
| 44 | Dunham Associates | $5,500,000 |
| 45 | Farnsworth Group | $4,843,851 |
| 46 | KCI Technologies | $4,782,470 |
| 47 | Highland Associates | $4,400,000 |
| 48 | Henderson Engineers | $4,322,196 |
| 49 | DeSimone Consulting Engineering | $4,122,428 |
| 50 | Halff | $3,882,000 |
| 51 | Martin/Martin | $3,835,138 |
| 52 | Bridgers & Paxton Consulting Engineers | $3,815,321 |
| 53 | Kohrs Lonnemann Heil Engineers (KLH) | $3,332,503 |
| 54 | Karpinski Engineering | $3,130,000 |
| 55 | Smith Seckman Reid (SSR) | $2,562,228 |
| 56 | PRIME AE Group | $2,541,926 |
| 57 | Wallace Design Collective | $2,500,000 |
| 58 | RTM Engineering Consultants | $2,410,950 |
| 59 | Heapy | $2,346,196 |
| 60 | Stanley Consultants | $2,325,818 |
| 61 | Osborn Engineering | $2,250,000 |
| 62 | GRAEF | $2,037,711 |
| 63 | Hixson Architecture, Engineering, Interiors | $2,000,000 |
| 64 | I.C. Thomasson Associates | $1,800,000 |
| 65 | Davis, Bowen & Friedel | $1,646,321 |
| 66 | PBS Engineers | $1,525,000 |
| 67 | M/E Engineering | $1,525,000 |
| 68 | Jordan & Skala Engineers | $1,276,230 |
| 69 | PCS Structural Solutions | $1,275,976 |
| 70 | PS&S | $1,170,236 |
| 71 | Burns Engineering | $1,105,093 |
| 72 | Bennett & Pless | $1,000,834 |
| 73 | BRPH Companies | $1,000,000 |
| - | ThermalTech Engineering | $1,000,000 |
| 75 | Wick Fisher White | $912,602 |
| 76 | Schaefer | $905,670 |
| 77 | JP Harvey Engineering Solutions | $875,241 |
| 78 | EAPC Architects Engineers | $873,552 |
| 79 | KCL Engineering | $865,241 |
| 80 | Kohler Ronan | $819,989 |
| 81 | JQ Engineering | $695,577 |
| 82 | EVstudio | $664,000 |
| 83 | Mazzetti | $650,000 |
| 84 | Primera Engineers | $610,693 |
| 85 | SSC Engineering | $465,000 |
| 86 | DH Engineering | $440,989 |
| 87 | Swanson Rink | $419,856 |
| 88 | BG Buildingworks | $380,000 |
| 89 | Henderson Building Solutions | $350,441 |
| 90 | Parametrix | $324,561 |
| 91 | P2S | $287,338 |
| 92 | H.F. Lenz | $273,182 |
| 93 | French & Parrello Associates | $217,080 |
| 94 | raSmith | $194,492 |
| 95 | Arora Engineers | $64,333 |
Source: 2023 Giants 400 Report
Related Stories
Giants 400 | Jan 31, 2023
2022 Government Sector Giants: Top architecture, engineering, and construction firms in the U.S. government buildings sector
Gensler, Jacobs, Hensel Phelps, and Page top BD+C's rankings of the nation's largest government sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Dec 1, 2022
Top 100 Office Building Core+Shell Contractors and CM Firms for 2022
Turner Construction, AECOM, Clayco, and Gilbane top the ranking of the nation's largest office building core+shell contractors and construction management (CM) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Dec 1, 2022
Top 75 Office Building Core+Shell Engineering + EA Firms for 2022
Jacobs, Alfa Tech, Burns & McDonnell, and Arup head the ranking of the nation's largest office building core+shell engineering and engineering/architecture (EA) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Dec 1, 2022
Top 150 Office Building Core+Shell Architecture + AE Firms for 2022
Gensler, NBBJ, Perkins and Will, and Stantec top the ranking of the nation's largest office building core+shell architecture and architecture/engineering (AE) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Dec 1, 2022
Top 40 Parking Structure Contractors + CM Firms for 2022
PCL Construction, Balfour Beatty, McCarthy Holdings, and Level 10 Construction top the ranking of the nation's largest parking structure contractors and construction management (CM) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Dec 1, 2022
Top 45 Parking Structure Engineering + EA Firms for 2022
Walker Consultants, Kimley-Horn, Wiss, Janney, Elstner Associates, and KPFF Consulting Engineers head the ranking of the nation's largest parking structure engineering and engineering/architecture (EA) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Dec 1, 2022
Top 50 Parking Structure Architecture + AE Firms for 2022
Choate Parking Consultants, Gensler, Clark Nexsen, and Solomon Cordwell Buenz top the ranking of the nation's largest parking structure architecture and architecture/engineering (AE) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Nov 28, 2022
Top 130 Office Sector Contractors and CM Firms for 2022
Turner Construction, STO Building Group, Gilbane, and CBRE top the ranking of the nation's largest office sector contractors and construction management (CM) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Nov 28, 2022
Top 85 Office Sector Engineering and EA Firms for 2022
Jacobs, Alfa Tech, AECOM, and Burns & McDonnell head the ranking of the nation's largest office sector engineering and engineering/architecture (EA) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
Giants 400 | Nov 28, 2022
Top 200 Office Sector Architecture and AE Firms for 2022
Gensler, Perkins and Will, Stantec, and HOK top the ranking of the nation's largest office sector architecture and architecture/engineering (AE) firms for 2022, as reported in Building Design+Construction's 2022 Giants 400 Report.
