Top 35 Airport Terminal Architecture and A/E Firms
| TOP AIRPORT TERMINAL ARCHITECTURE AND A/E FIRMS |
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| Rank | Firm | 2015 Revenue |
| 1 | Corgan | $65,839,265 |
| 2 | HOK | $60,840,000 |
| 3 | Gensler | $44,390,000 |
| 4 | Gresham, Smith and Partners | $25,600,000 |
| 5 | RS&H | $24,300,000 |
| 6 | Stantec | $19,226,351 |
| 7 | HNTB Corporation | $15,998,381 |
| 8 | HKS | $15,309,071 |
| 9 | Leo A Daly | $13,529,252 |
| 10 | Alliiance | $11,260,000 |
| 11 | Heery International | $9,935,444 |
| 12 | Schenkel & Shultz | $8,367,781 |
| 13 | Skidmore, Owings & Merrill | $7,687,996 |
| 14 | NORR | $5,535,839 |
| 15 | Morris Architects | $3,474,000 |
| 16 | ACAI Associates | $3,000,000 |
| 17 | Perkins+Will | $2,260,000 |
| 18 | ZGF Architects | $1,685,426 |
| 19 | Solomon Cordwell Buenz | $1,570,727 |
| 20 | Clark Nexsen | $1,414,083 |
| 21 | Epstein | $1,368,000 |
| 22 | LS3P | $1,307,775 |
| 23 | BRPH | $892,873 |
| 24 | Populous | $820,970 |
| 25 | Barge Waggoner Sumner & Cannon | $500,000 |
| 26 | Parkhill, Smith & Cooper | $396,976 |
| 27 | Zyscovich Architects | $390,118 |
| 28 | CTA Architects Engineers | $266,008 |
| 29 | Nadel | $253,333 |
| 30 | Dattner Architects | $250,000 |
| 31 | Guernsey | $94,403 |
| 32 | Architects Hawaii Ltd. | $84,000 |
| 33 | JLG Architects | $83,652 |
| 34 | Paulus, Sokolowski and Sartor | $71,200 |
| 35 | HGA | $59,000 |
| 36 | Beyer Blinder Belle Architects & Planners | $34,091 |
| 37 | GRW | $6,791 |