Top Science and Technology Sector Architecture Firms
| Rank | Company | 2013 S&T Sector Revenue |
| 1 | HDR | $55,700,000 |
| 2 | HOK | $50,260,857 |
| 3 | Stantec | $46,654,078 |
| 4 | Flad Architects | $38,940,000 |
| 5 | Perkins+will | $37,475,908 |
| 6 | Payette | $30,980,610 |
| 7 | SmithGroupJJR | $19,384,285 |
| 8 | EwingCole | $12,175,000 |
| 9 | ZGF Architects | $10,606,469 |
| 10 | Harley Ellis Devereaux | $9,340,000 |
| 11 | Ennead Architects | $6,158,951 |
| 12 | Kirksey | $5,138,330 |
| 13 | RS&H | $4,900,000 |
| 14 | NBBJ | $4,582,000 |
| 15 | Hastings+Chivetta Architects | $3,874,537 |
| 16 | RTKL Associates | $3,488,000 |
| 17 | Perkins Eastman | $3,100,000 |
| 18 | BSA LifeStructures | $2,854,789 |
| 19 | Clark Nexsen | $2,673,019 |
| 20 | Lord Aeck Sargent | $2,186,460 |
| 21 | HKS | $2,138,731 |
| 22 | EYP Architecture & Engineering | $2,000,000 |
| 23 | Shepley Bulfinch | $1,770,000 |
| 24 | Emersion Design | $1,726,902 |
| 25 | Bergmann Associates | $1,700,000 |
| 26 | Gensler | $1,644,004 |
| 27 | Ballinger | $1,608,659 |
| 28 | WHR Architects | $1,560,060 |
| 29 | Solomon Cordwell Buenz | $1,500,000 |
| 30 | Ware Malcomb | $1,449,500 |
| 31 | Hammel, Green and Abrahamson | $1,399,297 |
| 32 | Symmes Maini & McKee Associates | $1,290,000 |
| 33 | Page | $1,250,000 |
| 34 | NORR | $1,037,901 |
| 35 | FKP Architects | $1,000,000 |
| 36 | Francis Cauffman | $794,987 |
| 37 | VOA Associates | $794,232 |
| 38 | Heery International | $791,990 |
| 39 | Cooper Carry | $755,279 |
| 40 | DesignGroup | $676,860 |
| 41 | Skidmore, Owings & Merrill | $578,240 |
| 42 | RSP Architects | $552,000 |
| 43 | Swanke Hayden Connell Architects | $545,000 |
| 44 | Epstein | $506,000 |
| 45 | Wilson Architects | $500,000 |
| 46 | S/L/A/M Collaborative, The | $495,535 |
| 47 | Nelson | $404,850 |
| 48 | CTA Architects Engineers | $306,754 |
| 49 | JRS Architect | $145,000 |
| 50 | Harvard Jolly Architecture | $120,530 |
| 51 | Margulies Perruzzi Architects | $119,521 |
| 52 | KZF Design | $71,077 |
| 53 | Commonwealth Architects | $69,580 |
| 54 | Baskervill | $41,280 |
| 55 | Little | $33,876 |
| 56 | NAC|Architecture | $17,236 |
| 57 | Ratio Architects | $1,379 |
Top Science and Technology Sector Engineering Firms
| Rank | Company | 2013 S&T Sector Revenue |
| 1 | Affiliated Engineers | $28,609,000 |
| 2 | URS Corp. | $15,213,288 |
| 3 | WSP Group | $13,550,000 |
| 4 | Jacobs | $10,760,000 |
| 5 | Vanderweil Engineers | $9,556,500 |
| 6 | RMF Engineering | $8,900,000 |
| 7 | CRB | $8,200,000 |
| 8 | Paulus, Sokolowski and Sartor | $5,200,000 |
| 9 | BR+A Consulting Engineers | $4,600,000 |
| 10 | Degenkolb Engineers | $4,476,429 |
| 11 | CCRD Partners | $3,530,000 |
| 12 | Bridgers & Paxton Consulting Engineers | $3,479,323 |
| 13 | Mazzetti | $3,044,920 |
| 14 | Rist-Frost-Shumway Engineering | $3,000,000 |
| 15 | RDK Engineers | $2,830,000 |
| 16 | M-E Engineers | $1,931,000 |
| 17 | Newcomb & Boyd | $1,831,915 |
| 18 | SSOE Group | $1,765,501 |
| 19 | Aon Fire Protection Engineering Corp. | $1,500,000 |
| 20 | Environmental Systems Design | $1,355,590 |
| 21 | STV | $1,114,000 |
| 22 | Glumac | $1,077,171 |
| 23 | Syska Hennessy Group | $985,040 |
| 24 | Karpinski Engineering | $868,633 |
| 25 | KPFF Consulting Engineers | $800,000 |
| 26 | AKF Group | $740,000 |
| 27 | P2S Engineering | $445,624 |
| 28 | KJWW Engineering Consultants | $385,407 |
| 29 | Interface Engineering | $348,341 |
| 30 | Coffman Engineers | $279,999 |
| 31 | Dunham Associates | $250,000 |
| 32 | TLC Engineering for Architecture | $239,313 |
| 33 | Henderson Engineers | $219,691 |
| 34 | Thornton Tomasetti | $213,485 |
| 35 | H.F. Lenz | $211,000 |
| 36 | I. C. Thomasson Associates | $200,000 |
| 37 | OLA Consulting Engineers | $184,800 |
| 38 | Davis, Bowen & Friedel | $174,710 |
| 39 | Allen & Shariff | $128,000 |
| 40 | Spectrum Engineers | $126,582 |
| 41 | TTG | $124,162 |
| 42 | CJL Engineering | $122,500 |
| 43 | Wiss, Janney, Elstner Associates | $110,000 |
| 44 | Sparling | $107,790 |
| 45 | Wick Fisher White | $74,325 |
| 46 | Guernsey | $58,515 |
| 47 | Magnusson Klemencic Associates | $50,243 |
| 48 | French & Parrello Associates | $50,000 |
| 49 | Apogee Consulting Group | $42,320 |
| 50 | Walter P Moore and Associates | $41,790 |
| 51 | Zak Companies | $17,283 |
| 52 | Heapy Engineering | $14,759 |
| 53 | Brinjac Engineering | $8,704 |
Top Science and Technology Sector Construction Firms
| Rank | Company | 2013 S&T Sector Revenue |
| 1 | Skanska USA | $567,520,664 |
| 2 | DPR Construction | $269,947,839 |
| 3 | Turner Construction | $205,000,000 |
| 4 | Suffolk Construction | $164,816,499 |
| 5 | JE Dunn Construction | $162,998,885 |
| 6 | Whiting-Turner Contracting Co., The | $144,884,163 |
| 7 | Structure Tone | $92,170,000 |
| 8 | Kraus-Anderson Construction | $75,000,000 |
| 9 | Consigli Construction | $70,990,917 |
| 10 | Hathaway Dinwiddie Construction | $44,180,000 |
| 11 | Choate Construction | $38,400,718 |
| 12 | Manhattan Construction | $36,800,000 |
| 13 | LeChase Construction Services | $32,800,000 |
| 14 | McCarthy Holdings | $32,000,000 |
| 15 | Hill & Wilkinson | $30,263,000 |
| 16 | Hensel Phelps | $30,090,000 |
| 17 | McGough | $24,000,000 |
| 18 | Flintco | $14,250,000 |
| 19 | Alberici Constructors | $10,407,230 |
| 20 | S. M. Wilson & Co. | $10,383,344 |
| 21 | E.W. Howell | $9,541,000 |
| 22 | Hill International | $9,000,000 |
| 23 | Fortis Construction | $7,700,000 |
| 24 | Hoar Construction | $6,050,000 |
| 25 | Shawmut Design and Construction | $5,000,000 |
| 26 | HITT Contracting | $4,200,000 |
| 27 | Messer Construction | $3,491,416 |
| 28 | Tutor Perini Corp. | $3,447,967 |
| 29 | James G. Davis Construction | $2,884,634 |
| 30 | Stalco Construction | $2,602,000 |
| 31 | O'Neil Industries/W.E. O'Neil | $1,820,063 |
| 32 | BlueScope Construction | $1,555,063 |
| 33 | Coakley & Williams Construction | $1,514,454 |
| 34 | STV | $1,114,000 |
| 35 | Heery International | $791,990 |
| 36 | Bomel Construction | $578,354 |
| 37 | Weitz Company, The | $215,744 |
| 38 | JLL | $172,953 |
| 39 | W. M. Jordan Company | $171,674 |
| 40 | Allen & Shariff | $128,000 |
| 41 | Austin Commercial | $60,044 |
Read BD+C's full 2014 Giants 300 Report
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