Rank Company 2012 Data Center Revenue ($) 1 Corgan $27,534,191 2 Gensler $23,330,000 3 HDR Architecture $16,295,000 4 Integrated Design Group $14,598,910 5 PageSoutherlandPage $14,450,000 6 Reynolds, Smith and Hills $4,360,000 7 Callison $3,973,699 8 Little $3,655,590 9 RTKL Associates $3,634,000 10 EwingCole $3,000,000 11 Heery International $1,043,000 12 HLW International $1,000,000 12 Westlake Reed Leskosky $1,000,000 14 PGAL $980,000 15 Environetics $948,678 16 SMMA | Symmes Maini & McKee Associates $770,000 17 Gresham, Smith and Partners $700,167 18 Kirksey Architecture $634,576 19 Ware Malcomb $626,000 20 IBI Group $597,893 21 Albert Kahn Family of Companies $506,503 22 Solomon Cordwell Buenz $500,000 23 NELSON $408,322 24 Emersion Design $333,229 25 Harley Ellis Devereaux $285,000 26 DJM Architecture $277,900 27 Rule Joy Trammell + Rubio $250,000 28 JRS Architect $200,000 29 CTA Architects Engineers $151,300 30 KZF Design $143,691 31 VOA Associates $135,000 32 BBS Architects, Landscape Architects and Engineers $130,000 33 Harvard Jolly Architecture $125,000 34 Wight & Co. $106,600 35 HOK $98,000 36 Nadel $25,000 37 RSP Architects $21,000

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