DATA CENTER SECTOR GIANTS: Fluor, Gensler, Holder Construction among top data center AEC firms
TOP DATA CENTER SECTOR ARCHITECTURE FIRMS
| Rank | Company | 2014 Data Center Revenue ($) |
| 1 | Gensler | $31,182,000 |
| 2 | Corgan | $24,910,000 |
| 3 | HDR | $16,672,000 |
| 4 | Page | $12,300,000 |
| 5 | Glumac | $9,106,002 |
| 6 | Callison RTKL | $5,832,738 |
| 7 | HOK | $4,854,000 |
| 8 | RS&H | $4,690,000 |
| 9 | Sheehan Partners | $3,600,000 |
| 10 | Little | $2,430,000 |
| 11 | Moseley Architects | $2,339,979 |
| 12 | Clark Nexsen | $2,000,000 |
| 13 | KZF Design | $1,613,112 |
| 14 | Stantec | $1,609,282 |
| 15 | Harley Ellis Devereaux | $1,578,000 |
| 16 | Schrader Group Architecture | $1,524,131 |
| 17 | CTA Architects Engineers | $1,082,546 |
| 18 | Environetics | $912,102 |
| 19 | HGA Architects and Engineers | $894,000 |
| 20 | Becker Morgan Group | $805,932 |
| 21 | Nelson | $800,345 |
| 22 | Perkins Eastman | $457,250 |
| 23 | Kirksey Architecture | $436,063 |
| 24 | Harvard Jolly | $415,568 |
| 25 | Symmes Maini & McKee Associates | $316,746 |
| 26 | Ware Malcomb | $289,749 |
| 27 | OZ Architecture | $250,000 |
| 28 | JRS Architect | $130,000 |
| 29 | Heery International | $128,885 |
| 30 | Fentress Architects | $16,419 |
| 31 | Nadel | $10,000 |
TOP DATA CENTER SECTOR ENGINEERING FIRMS
| Rank | Company | 2014 Data Center Revenue ($) |
| 1 | Fluor | $252,890,000 |
| 2 | AECOM | $233,839,000 |
| 3 | Jacobs | $78,800,000 |
| 4 | Carlson Design Construct | $60,600,000 |
| 5 | Syska Hennessy Group | $39,593,799 |
| 6 | Vanderweil Engineers | $36,897,700 |
| 7 | Core States Group | $22,186,911 |
| 8 | Dewberry | $9,852,227 |
| 9 | Environmental Systems Design | $9,543,425 |
| 10 | Highland Associates | $8,100,000 |
| 11 | SIGMA7 Design Group | $6,732,668 |
| 12 | Swanson Rink | $5,530,000 |
| 13 | Leidos | $4,763,000 |
| 14 | H.F. Lenz Company | $4,707,000 |
| 15 | Henderson Engineers | $3,601,835 |
| 16 | Newcomb & Boyd | $3,485,565 |
| 17 | Arup | $2,748,321 |
| 18 | RMF Engineering | $2,300,000 |
| 19 | Zak Companies | $2,186,325 |
| 20 | Wick Fisher White | $2,137,000 |
| 21 | RDK Engineers | $2,076,000 |
| 22 | KCI Technologies | $2,000,000 |
| 23 | Affiliated Engineers | $1,788,000 |
| 24 | Bala Consulting Engineers | $1,770,000 |
| 25 | Wendel | $1,460,726 |
| 26 | TLC Engineering for Architecture | $1,306,327 |
| 27 | WSP | Parsons Brinckerhoff | $1,210,554 |
| 28 | Heapy Engineering | $1,156,642 |
| 29 | Dunham Associates | $1,100,000 |
| 30 | KPFF Consulting Engineers | $945,200 |
| 31 | Thornton Tomasetti | $841,573 |
| 32 | Cardno Haynes Whaley | $696,168 |
| 33 | William Tao & Associates | $693,360 |
| 34 | GRW | $677,721 |
| 35 | Karpinski Engineering | $560,000 |
| 36 | CRB | $535,160 |
| 37 | Bridgers & Paxton Consulting Engineers | $520,900 |
| 38 | TTG | $506,315 |
| 39 | Aon Fire Protection Engineering | $500,000 |
| 40 | CJL Engineering | $484,085 |
| 41 | Ross & Baruzzini | $442,368 |
| 42 | Apogee Consulting Group | $420,000 |
| 43 | GHT Ltd. | $400,000 |
| 44 | Wiss, Janney, Elstner Associates | $400,000 |
| 45 | Martin/Martin | $366,932 |
| 46 | Smith Seckman Reid | $340,182 |
| 47 | I. C. Thomasson Associates | $320,000 |
| 48 | KJWW Engineering Consultants | $269,851 |
| 49 | Mazzetti | $261,657 |
| 50 | Jensen Hughes | $244,065 |
| 51 | Hankins & Anderson | $211,779 |
| 52 | Barge, Waggoner, Sumner and Cannon | $200,000 |
| 53 | ThermalTech Engineering | $150,000 |
| 54 | GRAEF | $150,000 |
| 55 | Magnusson Klemencic Associates | $134,117 |
| 56 | Peter Basso Associates | $117,000 |
| 57 | Spectrum Engineers | $85,297 |
| 58 | TBC | $71,921 |
| 59 | P2S Engineering | $60,749 |
| 60 | SSOE Group | $18,274 |
TOP DATA CENTER SECTOR CONSTRUCTION FIRMS
| Rank | Company | 2014 Data Center Revenue ($) |
| 1 | Holder Construction | $1,000,000,000 |
| 2 | Whiting-Turner Contracting, The | $904,814,999 |
| 3 | Turner Construction | $523,598,829 |
| 4 | Hensel Phelps | $353,970,000 |
| 5 | JE Dunn Construction | $318,318,883 |
| 6 | DPR Construction | $317,942,000 |
| 7 | Hoffman Construction | $277,434,802 |
| 8 | Mortenson Construction | $243,260,000 |
| 9 | Balfour Beatty US | $239,493,499 |
| 10 | Structure Tone | $223,175,000 |
| 11 | Gilbane Building Co. | $206,694,151 |
| 12 | HITT Contracting | $193,800,000 |
| 13 | Fortis Construction | $118,700,000 |
| 14 | Skanska USA | $85,736,994 |
| 15 | Beck Group, The | $80,913,560 |
| 16 | Clune Construction | $56,127,139 |
| 17 | Brasfield & Gorrie | $54,028,587 |
| 18 | BlueScope Construction | $20,830,000 |
| 19 | McGough | $14,000,000 |
| 20 | Pepper Construction Group | $10,887,000 |
| 21 | Walsh Group, The | $8,628,719 |
| 22 | James G Davis Construction | $8,258,518 |
| 23 | Manhattan Construction | $7,490,000 |
| 24 | Yates Companies, The | $7,400,000 |
| 25 | O'Neil Industries | $6,867,805 |
| 26 | LeChase Construction Services | $6,000,000 |
| 27 | IMC Construction | $6,000,000 |
| 28 | PCL Construction | $5,441,055 |
| 29 | Robins & Morton | $3,700,000 |
| 30 | Weitz Company, The | $2,619,000 |
| 31 | Austin Industries | $2,432,108 |
| 32 | JLL | $1,641,482 |
| 33 | Ryan Companies | $1,438,412 |
| 34 | Cumming | $1,247,116 |
| 35 | Adolfson & Peterson Construction | $1,141,860 |
| 36 | Hill International | $1,000,000 |
| 37 | Lend Lease | $774,000 |
| 38 | Messer Construction | $156,213 |
| 39 | W. M. Jordan | $69,705 |