AECOM, Gensler, and Jacobs head BD+C's rankings of the nation's largest convention center sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.
| Top 35 Convention Center Sector Architecture and AE Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | Gensler | $14,295,059 |
| 2 | Stantec | $14,014,821 |
| 3 | Populous | $13,209,954 |
| 4 | LMN Architects | $11,573,000 |
| 5 | Fentress Architects | $10,000,000 |
| 6 | CallisonRTKL | $7,947,775 |
| 7 | Kahler Slater | $3,900,000 |
| 8 | Perkins and Will | $3,723,030 |
| 9 | Progressive AE | $2,240,675 |
| 10 | Skidmore, Owings & Merrill | $1,631,699 |
| 11 | Moody Nolan | $1,242,140 |
| 12 | Fennick McCredie Architecture | $1,085,777 |
| 13 | Diamond Schmitt Architects | $1,080,772 |
| 14 | HOK | $945,000 |
| 15 | GSB | $901,450 |
| 16 | Hussey Gay Bell | $855,610 |
| 17 | WATG | $661,195 |
| 18 | Design Collaborative | $581,631 |
| 19 | PGAL | $569,000 |
| 20 | Handel Architects | $503,000 |
| 21 | YGH Architecture | $455,898 |
| 22 | Architectural Design Consultants | $365,000 |
| 23 | Adrian Smith + Gordon Gill Architecture | $358,314 |
| 24 | Holst Architecture | $198,597 |
| 25 | Ayers Saint Gross | $171,922 |
| 26 | Goodwyn, Mills and Cawood | $143,730 |
| 27 | BRP Architects | $127,000 |
| 28 | AHL | $67,064 |
| 29 | HMC Architects | $65,641 |
| 30 | Ratio Architects | $48,830 |
| 31 | EXP | $45,823 |
| 32 | CPL | $30,940 |
| 33 | Garmann/Miller Architects-Engineers | $20,629 |
| 34 | Clark Enersen Partners, The | $18,744 |
| 35 | DLZ Corporation | $18,400 |
| 36 | Design 3 International (D3i) | $14,500 |
| 37 | Method Architecture | $13,652 |
| 38 | Little Diversified Architectural Consulting | $6,202 |
| Top 30 Convention Center Sector Engineering and EA Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | Jacobs | $25,000,000 |
| 2 | KPFF Consulting Engineers | $6,279,000 |
| 3 | AECOM | $4,100,000 |
| 4 | Syska Hennessy Group | $3,028,319 |
| 5 | Jaros, Baum & Bolles | $2,486,577 |
| 6 | TLC Engineering Solutions | $2,339,890 |
| 7 | Henderson Engineers | $1,996,922 |
| 8 | Walter P Moore | $1,664,061 |
| 9 | IMEG Corp. | $1,484,596 |
| 10 | ESD | $1,450,411 |
| 11 | Epstein | $1,167,000 |
| 12 | STV | $1,091,951 |
| 13 | FEA Consulting Engineers | $755,000 |
| 14 | NV5 Global | $744,000 |
| 15 | ME Engineers | $700,000 |
| 16 | Mazzetti | $635,862 |
| 17 | Martin/Martin | $457,267 |
| 18 | Jensen Hughes | $390,313 |
| 19 | Salas O'Brien | $390,173 |
| 20 | Osborn Engineering | $325,000 |
| 21 | Newcomb & Boyd | $321,733 |
| 22 | Dunham Associates | $250,000 |
| 23 | Halff Associates | $190,000 |
| 24 | LBYD Engineers | $154,450 |
| 25 | Bridgers & Paxton Consulting Engineers | $110,849 |
| 26 | KLH Engineers | $102,852 |
| 27 | Morrison Hershfield | $90,718 |
| 28 | Bernhard | $85,000 |
| 29 | GRAEF | $80,573 |
| 30 | RMF Engineering | $60,000 |
| 31 | Wallace Engineering | $50,000 |
| 32 | Architectural Engineers Inc. | $10,970 |
| Top 20 Convention Center Sector Contractors and CM Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | AECOM | $594,400,000 |
| 2 | Turner Construction Company | $504,096,185 |
| 3 | Lendlease | $437,193,682 |
| 4 | Clark Group | $165,715,103 |
| 5 | Mortenson | $103,743,000 |
| 6 | PCL Construction Enterprises | $86,849,842 |
| 7 | Yates Companies, The | $83,244,000 |
| 8 | Messer Construction | $67,392,189 |
| 9 | Holder Construction | $53,000,000 |
| 10 | Webcor | $27,869,430 |
| 11 | Hoar Construction | $22,987,000 |
| 12 | Manhattan Construction Group | $14,031,863 |
| 13 | CORE Construction Group | $5,761,214 |
| 14 | Cumming | $4,012,600 |
| 15 | Jacobs | $1,992,000 |
| 16 | Hill International | $1,636,661 |
| 17 | Joeris General Contractors | $1,450,707 |
| 18 | Suffolk Construction | $742,117 |
| 19 | Whiting-Turner Contracting Company, The | $706,148 |
| 20 | JLL | $256,358 |
