Top Federal Government Sector Architecture Firms
| Rank | Company | 2012 Federal Government Revenue ($) |
| 1 | HOK | $63,235,000 |
| 2 | SmithGroupJJR | $40,600,000 |
| 3 | PageSoutherlandPage | $39,650,000 |
| 4 | Heery International | $36,256,354 |
| 5 | IBI Group | $31,575,728 |
| 6 | EYP | $29,000,000 |
| 7 | Skidmore, Owings & Merrill | $24,731,000 |
| 8 | Stantec | $22,500,211 |
| 9 | Leo A Daly | $18,500,439 |
| 10 | Perkins+Will | $15,589,734 |
| 11 | Gensler | $15,050,000 |
| 12 | HDR Architecture | $14,939,610 |
| 13 | Cannon Design | $12,000,000 |
| 14 | RTKL Associates | $9,701,000 |
| 15 | Hammel, Green and Abrahamson | $9,223,000 |
| 16 | Flad Architects | $9,032,000 |
| 17 | HNTB Archtecture | $8,401,494 |
| 18 | EwingCole | $8,000,000 |
| 19 | Swanke Hayden Connell Asrchitects | $7,000,000 |
| 20 | Reynolds, Smith and Hills | $6,540,000 |
| 21 | ZGF Architects | $6,200,950 |
| 22 | Beyer Blinder Belle Architects & Planners | $6,088,547 |
| 23 | CTA Architects Engineers | $5,430,642 |
| 24 | Davis Brody Bond | $4,044,085 |
| 25 | Cooper Carry | $3,648,284 |
| 26 | Westlake Reed Leskosky | $3,000,000 |
| 27 | WDG Architecture | $2,625,000 |
| 28 | NBBJ | $2,306,000 |
| 29 | HKS | $2,000,000 |
| 29 | Solomon Cordwell Buenz | $2,000,000 |
| 31 | Environetics | $1,974,373 |
| 32 | Hoffmann Architects | $1,734,000 |
| 33 | Good Fulton & Farrell | $1,503,948 |
| 34 | Ware Malcomb | $1,330,000 |
| 35 | RNL | $1,170,000 |
| 36 | Lord, Aeck & Sargent | $1,120,000 |
| 37 | Hoefer Wysocki Architecture | $1,003,000 |
| 38 | Morris Architects | $1,000,000 |
| 39 | Moody Nolan | $780,000 |
| 40 | Ennead Architects | $517,000 |
| 41 | Gresham, Smith and Partners | $500,775 |
| 42 | PGAL | $375,000 |
| 43 | Epstein | $361,000 |
| 44 | BBG-BBGM | $350,000 |
| 45 | Smallwood, Reynolds, Stewart, Stewart & Associates | $323,554 |
| 46 | KZF Design | $292,615 |
| 47 | Baskervill | $222,000 |
| 48 | Emersion Design | $200,622 |
| 49 | Kaplan McLaughlin Diaz | $182,398 |
| 50 | Fentress Architects | $154,388 |
| 51 | WHR Architects | $23,636 |
| 52 | LS3P | $22,694 |
| 53 | SMMA | Symmes Maini & McKee Associates | $12,000 |
Top Federal Government Sector Engineering Firms
| Rank | Company | 2012 Federal Government Revenue ($) |
| 1 | Fluor | $1,238,675,000 |
| 2 | URS Corp. | $243,003,486 |
| 3 | AECOM Technology Corp. | $109,000,000 |
| 4 | Parsons Brinckerhoff | $42,703,522 |
| 5 | H&A Architects & Engineers | $37,417,066 |
| 6 | Merrick & Co. | $30,000,000 |
| 7 | Michael Baker Jr. | $14,460,000 |
| 8 | Affiliated Engineers | $9,058,000 |
| 9 | Bridgers & Paxton Consulting Engineers | $5,494,458 |
| 10 | Dewberry | $5,377,009 |
| 11 | SSOE Group | $4,332,078 |
| 12 | BRPH | $4,230,000 |
| 13 | GHT Limited | $4,200,000 |
| 14 | WSP USA | $4,150,000 |
| 15 | KPFF Consulting Engineers | $4,000,000 |
| 16 | Arup | $3,770,046 |
| 17 | RMF Engineering Design | $3,750,000 |
| 18 | Syska Hennessy Group | $3,200,000 |
| 19 | Guernsey | $2,835,981 |
| 20 | Burns & McDonnell | $2,500,000 |
| 21 | STV | $2,286,000 |
| 22 | Wiss, Janney, Elstner Associates | $2,253,000 |
| 23 | GRW | $2,051,368 |
| 24 | Vanderweil Engineers | $2,029,000 |
| 25 | Coffman Engineers | $2,022,000 |
| 26 | CCRD Partners | $2,000,000 |
| 26 | Rolf Jensen & Associates | $2,000,000 |
| 28 | Haynes Whaley Associates | $1,878,235 |
| 29 | Degenkolb Engineers | $1,752,925 |
| 30 | Clark Nexsen | $1,610,728 |
| 31 | Simpson Gumpertz & Heger | $1,600,000 |
| 32 | Newcomb & Boyd | $1,551,855 |
| 33 | Barge, Waggoner, Sumner and Cannon | $1,500,000 |
| 34 | TTG | $1,375,250 |
| 35 | H.F. Lenz | $1,300,000 |
| 36 | Interface Engineering | $1,232,906 |
| 37 | Glumac | $1,172,000 |
| 38 | Eaton Energy Solutions | $1,151,312 |
| 39 | M/E Engineering | $1,134,350 |
| 40 | Spectrum Engineers | $1,024,300 |
| 41 | Walker Parking Consultants | $900,000 |
| 42 | KJWW Engineering Consultants | $874,692 |
| 43 | RDK Engineers | $852,000 |
| 44 | Middough | $800,000 |
| 45 | AKF Group | $753,880 |
| 46 | Science Applications International Corp. | $680,606 |
| 47 | Buro Happold Consulting Engineers | $620,000 |
| 48 | Bergmann Associates | $607,000 |
| 49 | Henderson Engineers | $512,903 |
| 50 | Shive-Hattery | $467,969 |
| 51 | Allen & Shariff | $390,000 |
| 52 | KCI Technologies | $300,000 |
| 53 | Ross & Baruzzini | $218,317 |
| 54 | CTLGroup | $200,000 |
| 55 | Environmental Systems Design | $183,085 |
| 56 | Brinjac Engineering | $167,171 |
| 57 | Dunham Associates | $160,000 |
| 58 | TLC Engineering for Architecture | $151,241 |
| 59 | Aon Fire Protection Engineering | $100,000 |
| 59 | Rist-Frost-Shumway Engineering | $100,000 |
| 61 | Sparling | $88,347 |
| 62 | Thornton Tomasetti | $76,498 |
| 63 | Davis, Bowen & Friedel | $40,000 |
| 64 | Apogee Consulting Group | $25,000 |
| 65 | G&W Engineering | $20,000 |
Top Federal Government Sector Construction Firms
| Rank | Company | 2012 Federal Government Revenue ($) |
| 1 | Clark Group | $399,007,396 |
| 2 | PCL Construction Enterprises | $298,606,437 |
| 3 | Hensel Phelps | $285,134,984 |
| 4 | Whiting-Turner Contracting Co., The | $233,168,558 |
| 5 | Gilbane | $188,656,000 |
| 6 | Walsh Group, The | $174,977,580 |
| 7 | Balfour Beatty | $163,198,909 |
| 8 | Turner Corporation, The | $162,590,000 |
| 9 | Mortenson Construction | $134,476,000 |
| 10 | James G Davis Construction | $130,000,000 |
| 11 | Swinerton Builders | $114,383,850 |
| 12 | Yates Cos., The | $108,400,000 |
| 13 | Ryan Companies US | $92,907,430 |
| 14 | Tutor Perini Corporation | $76,512,409 |
| 15 | Skanska USA | $72,407,000 |
| 16 | HITT Contracting | $69,301,488 |
| 17 | JE Dunn Construction | $66,537,322 |
| 18 | Pepper Construction Group | $66,252,000 |
| 19 | E.W. Howell | $65,058,000 |
| 20 | McCarthy Holdings | $38,000,000 |
| 21 | ECC | $30,932,981 |
| 22 | Structure Tone | $30,000,000 |
| 23 | Hoar Construction | $27,044,000 |
| 24 | Sundt Construction | $25,114,575 |
| 25 | Jones Lang LaSalle | $20,643,650 |
| 26 | Messer Construction | $18,067,633 |
| 27 | Consigli Construction | $14,682,377 |
| 28 | Lend Lease | $12,060,000 |
| 29 | Flintco | $10,250,000 |
| 30 | Hoffman Construction | $7,850,405 |
| 31 | LPCiminelli | $6,567,678 |
| 32 | Brasfield & Gorrie | $5,839,339 |
| 33 | Hunt Companies | $4,337,207 |
| 34 | Weitz Co., The | $2,000,000 |
| 35 | Graycor | $1,334,681 |
| 36 | Coakley & Williams Construction | $1,026,306 |
| 37 | Bomel Construction | $1,000,000 |
| 38 | New South Construction | $400,000 |
| 39 | KBE Building Corporation | $378,694 |
| 40 | DPR Construction | $237,867 |
| 41 | CORE Construction Group | $96,068 |
| 41 | Kitchell | $80,000 |
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