HNTB, Jacobs, and Turner top BD+C's rankings of the nation's largest government sector architecture, engineering, and construction firms, as reported in the 2020 Giants 400 Report.
| Top 150 Government Sector Architecture and AE Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | HNTB Corporation | $220,109,401 |
| 2 | Stantec | $168,989,295 |
| 3 | Gensler | $163,748,408 |
| 4 | HOK | $128,273,000 |
| 5 | HDR | $80,440,000 |
| 6 | Page | $71,225,000 |
| 7 | ZGF Architects | $64,040,410 |
| 8 | SmithGroup | $63,431,537 |
| 9 | Skidmore, Owings & Merrill | $60,422,107 |
| 10 | Leo A Daly | $54,064,624 |
| 11 | RS&H | $52,400,000 |
| 12 | HKS | $32,781,621 |
| 13 | Quinn Evans | $32,553,427 |
| 14 | NAC Architecture | $31,882,126 |
| 15 | Whitman Requardt and Associates | $27,011,260 |
| 16 | EYP Architecture & Engineering | $23,970,251 |
| 17 | CallisonRTKL | $23,793,035 |
| 18 | Clark Nexsen | $23,774,000 |
| 19 | HGA | $20,461,511 |
| 20 | DLZ Corporation | $18,819,600 |
| 21 | Harvard Jolly Architecture | $18,350,855 |
| 22 | Perkins Eastman | $17,471,584 |
| 23 | Hoefer Wysocki | $17,253,000 |
| 24 | EXP | $16,298,801 |
| 25 | Zyscovich Architects | $15,927,739 |
| 26 | Ennead Architects | $15,920,641 |
| 27 | H2M Architects + Engineers | $15,351,894 |
| 28 | BLDD Architects | $15,330,000 |
| 29 | Wold Architects and Engineers | $14,737,000 |
| 30 | Wendel | $14,037,410 |
| 31 | KCCT | $12,866,873 |
| 32 | LPA | $12,522,794 |
| 33 | DLA Architects | $12,053,971 |
| 34 | Moseley Architects | $11,546,229 |
| 35 | PGAL | $11,470,000 |
| 36 | G70 | $11,218,000 |
| 37 | Orcutt | Winslow | $11,100,000 |
| 38 | Ratio Architects | $10,770,602 |
| 39 | FGM Architects | $10,456,232 |
| 40 | Marmon Mok Architecture | $10,258,173 |
| 41 | Urbahn Architects | $10,221,399 |
| 42 | Kirksey Architecture | $10,047,572 |
| 43 | EwingCole | $10,000,000 |
| 44 | Goodwyn, Mills and Cawood | $9,964,235 |
| 45 | Barge Design Solutions | $9,902,385 |
| 46 | AE Works Ltd. | $9,442,000 |
| 47 | Dattner Architects | $9,347,863 |
| 48 | NBBJ | $9,000,000 |
| 49 | TreanorHL | $8,800,000 |
| 50 | Stevens & Wilkinson | $8,750,000 |
| 51 | Flad Architects | $8,426,000 |
| 52 | LS3P | $8,392,080 |
| 53 | AHL | $8,199,249 |
| 54 | Kahler Slater | $7,527,944 |
| 55 | GWWO Architects | $7,379,680 |
| 56 | Huitt-Zollars, Inc. | $7,111,000 |
| 57 | BWBR | $6,897,000 |
| 58 | Cooper Carry | $6,798,124 |
| 59 | Emersion Design | $6,598,297 |
| 60 | BKV Group | $6,408,711 |
| 61 | Grimm + Parker Architects | $6,318,079 |
| 62 | Bergmann | $5,760,000 |
| 63 | RDG Planning & Design | $5,013,664 |
| 64 | CPL | $4,962,952 |
| 65 | DLR Group | $4,591,000 |
| 66 | Davis Brody Bond | $4,540,826 |
| 67 | Nelson Worldwide | $4,400,000 |
| 68 | Perkins and Will | $3,721,980 |
| 69 | ThenDesign Architecture | $3,500,000 |
| 70 | HMC Architects | $3,451,892 |
| 71 | JCJ Architecture | $3,436,126 |
| 72 | RSP Architects | $3,407,000 |
| 73 | Crawford Architects | $3,380,000 |
| 74 | Finegold Alexander Architects | $3,373,833 |
| 75 | CO Architects | $3,315,700 |
| 76 | YGH Architecture | $3,247,061 |
| 77 | Moody Nolan | $3,105,350 |
| 78 | GRW | $3,098,559 |
| 79 | Sasaki | $3,064,847 |
| 80 | BCA Architects & Engineers | $3,000,000 |
| 81 | Clark Enersen Partners, The | $2,759,653 |
| 82 | Hussey Gay Bell | $2,759,307 |
| 83 | Progressive AE | $2,641,132 |
| 84 | WLC Architects | $2,625,078 |
| 85 | Little Diversified Architectural Consulting | $2,486,938 |
| 86 | JLG Architects | $2,457,912 |
| 87 | DGA | $2,426,136 |
| 88 | KCBA Architects | $2,259,800 |
| 89 | Ware Malcomb | $2,213,956 |
| 90 | FXCollaborative | $2,114,722 |
| 91 | REES | $2,059,851 |
| 92 | Alliiance | $2,013,065 |
| 93 | TETER | $1,995,889 |
| 94 | SWBR Architecture, Engineering & Landscape Architecture | $1,743,933 |
| 95 | Lawrence Group | $1,672,900 |
| 96 | Caldwell Associates Architects | $1,620,259 |
| 97 | Miller Dunwiddie | $1,360,000 |
| 98 | GFF | $1,289,511 |
| 99 | M+A Architects | $1,234,386 |
| 100 | Architecture, Incorporated | $1,209,700 |
| 101 | Larson Design Group | $1,111,720 |
| 102 | Ayres | $1,083,000 |
| 103 | Legat Architects | $1,011,000 |
| 104 | Method Architecture | $968,179 |
| 105 | Architectural Design Consultants | $925,000 |
| 106 | Garmann/Miller Architects-Engineers | $863,005 |
| 107 | PF&A Design | $826,143 |
| 108 | GSB | $810,660 |
| 109 | Carrier Johnson + Culture | $729,111 |
| 110 | TEG Architects | $702,048 |
| 111 | BHDP Architecture | $668,970 |
| 112 | SchenkelShultz Architecture | $665,695 |
| 113 | Diamond Schmitt Architects | $644,243 |
| 114 | FCA | $638,531 |
| 115 | Fanning Howey Associates | $629,648 |
| 116 | SchraderGroup | $553,768 |
| 117 | Randall-Paulson Architects | $551,338 |
| 118 | CTA Architects | $510,328 |
| 119 | E4H Environments for Health Architecture | $500,000 |
| 120 | Fennick McCredie Architecture | $479,380 |
| 121 | ACAI Associates | $476,320 |
| 122 | VMDO Architects | $469,000 |
| 123 | Champlin Architecture | $467,796 |
| 124 | Spiezle Group | $450,000 |
| 125 | BBGM | $420,000 |
| 126 | DLA+ Architecture & Interior Design | $418,174 |
| 127 | WDG Architecture | $400,000 |
| 128 | Interior Architects | $386,283 |
| 129 | GMB Architecture + Engineering | $357,593 |
| 130 | Prellwitz Chilinski Associates (PCA) | $313,000 |
| 131 | Eppstein Uhen Architects (EUA) | $310,000 |
| 132 | Hastings+Chivetta Architects | $277,804 |
| 133 | Bostwick Design Partnership | $230,000 |
| 134 | RDC / Studio One Eleven | $225,683 |
| 135 | Array Architects | $163,709 |
| 136 | FreemanWhite, a Haskell Company | $161,694 |
| 137 | Smallwood | $153,226 |
| 138 | S/L/A/M Collaborative, The | $143,000 |
| 139 | CSArch | $118,052 |
| 140 | Ballinger | $91,746 |
| 141 | CBT | $87,632 |
| 142 | Cuningham Group Architecture | $53,083 |
| 143 | SHP | $50,000 |
| 144 | Shepley Bulfinch | $44,436 |
| 145 | Sebree Architects | $40,000 |
| 146 | Payette | $35,844 |
| 147 | Baskervill | $33,619 |
| 148 | Design Collaborative | $17,740 |
| 149 | RGA Architects | $12,594 |
| 150 | Huntsman Architectural Group | $7,564 |
| 151 | AE7 | $2,787 |
| Top 85 Government Sector Engineering and EA Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | Jacobs | $476,660,266 |
| 2 | AECOM | $281,000,000 |
| 3 | Burns & McDonnell | $124,732,198 |
| 4 | Black & Veatch | $98,140,000 |
| 5 | Dewberry | $88,947,426 |
| 6 | WSP | $84,178,207 |
| 7 | KPFF Consulting Engineers | $76,512,000 |
| 8 | Kimley-Horn | $70,626,883 |
| 9 | Arup | $55,693,246 |
| 10 | Wiley|Wilson | $46,112,000 |
| 11 | NV5 Global | $41,534,000 |
| 12 | Jensen Hughes | $36,567,862 |
| 13 | RMF Engineering | $35,000,000 |
| 14 | Stanley Consultants | $33,806,115 |
| 15 | IMEG Corp. | $29,782,258 |
| 16 | M.C. Dean | $24,082,929 |
| 17 | STV | $23,817,970 |
| 18 | Apogee Consulting Group | $19,543,000 |
| 19 | CDM Smith | $19,035,245 |
| 20 | Shive-Hattery | $17,345,844 |
| 21 | Affiliated Engineers | $16,593,514 |
| 22 | LaBella Associates | $16,505,680 |
| 23 | KZF Design | $16,216,558 |
| 24 | BRPH Architects Engineers | $13,785,546 |
| 25 | Henderson Engineers | $12,813,170 |
| 26 | Woolpert | $11,995,964 |
| 27 | Bridgers & Paxton Consulting Engineers | $11,424,864 |
| 28 | Martin/Martin | $10,776,945 |
| 29 | Sherlock, Smith & Adams | $10,346,000 |
| 30 | Salas O'Brien | $9,969,832 |
| 31 | Walter P Moore | $9,429,552 |
| 32 | Ghafari Associates | $9,111,000 |
| 33 | Milhouse Engineering and Construction | $8,959,864 |
| 34 | Vanderweil Engineers | $7,697,000 |
| 35 | LBYD Engineers | $7,571,889 |
| 36 | Newcomb & Boyd | $7,032,950 |
| 37 | Morrison Hershfield | $6,826,070 |
| 38 | Architectural Engineers Inc. | $6,484,186 |
| 39 | Halff Associates | $6,211,000 |
| 40 | Ross & Baruzzini | $6,094,000 |
| 41 | Syska Hennessy Group | $6,005,800 |
| 42 | Cushing Terrell (formerly CTA Architects Engineers) | $5,445,469 |
| 43 | Karpinski Engineering | $5,282,973 |
| 44 | Becker Morgan Group | $4,967,108 |
| 45 | HEAPY | $4,943,848 |
| 46 | RMH Group, The | $4,819,888 |
| 47 | TLC Engineering Solutions | $4,346,762 |
| 48 | M/E Engineering | $4,309,095 |
| 49 | Osborn Engineering | $3,885,000 |
| 50 | KCI Technologies | $3,500,000 |
| 51 | ESD | $3,340,892 |
| 52 | Davis, Bowen & Friedel | $3,319,852 |
| 53 | JP Harvey Engineering Solutions | $2,760,662 |
| 54 | Kohler Ronan | $2,602,774 |
| 55 | JQ Engineering | $2,555,253 |
| 56 | Spectrum Engineers | $2,414,160 |
| 57 | KLH Engineers | $2,300,564 |
| 58 | H.F. Lenz | $2,280,650 |
| 59 | AKF Group | $1,800,000 |
| 60 | P2S | $1,505,530 |
| 61 | ThermalTech Engineering | $1,500,000 |
| 62 | Peter Basso Associates | $1,500,000 |
| 63 | Schaefer | $1,320,069 |
| 64 | Dunham Associates | $1,300,000 |
| 65 | SSC Engineering | $1,298,890 |
| 66 | Epstein | $1,234,000 |
| 67 | French & Parrello Associates | $1,167,127 |
| 68 | KCL Engineering | $1,080,908 |
| 69 | OLA Consulting Engineers | $908,000 |
| 70 | Primera Engineers | $905,055 |
| 71 | Bernhard | $882,000 |
| 72 | Jaros, Baum & Bolles | $842,277 |
| 73 | EAPC Architects Engineers | $839,038 |
| 74 | GRAEF | $831,180 |
| 75 | RTM Engineering Consultants | $805,822 |
| 76 | Tec Inc. Engineering & Design | $779,465 |
| 77 | Mazzetti | $719,555 |
| 78 | SSOE Group | $707,485 |
| 79 | Galloway & Company | $585,966 |
| 80 | PS&S | $515,000 |
| 81 | Highland Associates | $500,000 |
| 82 | Allen & Shariff | $423,138 |
| 83 | ME Engineers | $410,000 |
| 84 | Smith Seckman Reid | $371,132 |
| 85 | DeSimone Consulting Engineers | $298,428 |
| 86 | PBS Engineers | $275,000 |
| 87 | Pedco E & A Services | $250,000 |
| 88 | RWB Consulting Engineers | $215,000 |
| 89 | Wick Fisher White | $160,000 |
| Top 75 Government Sector Contractors and CM Firms for 2020 | ||
| FIRM | 2019 REVENUE | |
| 1 | Turner Construction Company | $3,281,308,538 |
| 2 | Hensel Phelps | $2,352,294,395 |
| 3 | Clark Group | $2,068,533,960 |
| 4 | PCL Construction Enterprises | $1,836,407,856 |
| 5 | Gilbane Building Company | $918,575,000 |
| 6 | Austin Industries | $789,770,132 |
| 7 | BL Harbert International | $746,334,320 |
| 8 | Lendlease | $700,220,803 |
| 9 | JE Dunn Construction | $640,453,634 |
| 10 | Whiting-Turner Contracting Company, The | $620,505,912 |
| 11 | Hoffman Construction | $523,842,913 |
| 12 | Holder Construction | $510,000,000 |
| 13 | McCarthy Holdings | $478,242,352 |
| 14 | Balfour Beatty US | $443,266,102 |
| 15 | Yates Companies, The | $370,613,000 |
| 16 | Mortenson | $367,016,000 |
| 17 | M.C. Dean | $337,242,630 |
| 18 | STO Building Group | $329,215,962 |
| 19 | Walsh Group, The | $288,818,447 |
| 20 | Hill International | $265,785,788 |
| 21 | Brasfield & Gorrie | $265,094,484 |
| 22 | Jacobs | $253,137,654 |
| 23 | Manhattan Construction Group | $245,407,130 |
| 24 | Sundt Construction | $218,493,660 |
| 25 | AECOM | $197,000,000 |
| 26 | Messer Construction | $196,432,937 |
| 27 | CORE Construction Group | $181,785,743 |
| 28 | Skanska USA | $156,426,990 |
| 29 | HITT Contracting | $142,547,828 |
| 30 | James G. Davis Construction | $136,644,259 |
| 31 | Adolfson & Peterson Construction | $107,836,972 |
| 32 | Hunter Roberts Construction | $102,000,000 |
| 33 | Hathaway Dinwiddie Construction | $91,208,000 |
| 34 | Haskell | $88,121,904 |
| 35 | Kaufman Lynn Construction | $58,266,627 |
| 36 | TQ Constructors | $56,500,000 |
| 37 | Kraus-Anderson Construction | $47,000,000 |
| 38 | C.W. Driver Companies | $46,332,898 |
| 39 | Cumming | $40,126,000 |
| 40 | Crossland Construction | $39,048,824 |
| 41 | Robins & Morton | $38,036,612 |
| 42 | McCownGordon Construction, LLC | $38,000,409 |
| 43 | LeChase Construction Services | $35,300,285 |
| 44 | Harkins Builders | $35,000,000 |
| 45 | W. M. Jordan Company | $34,775,851 |
| 46 | Wendel | $34,500,740 |
| 47 | Ryan Companies US | $33,198,958 |
| 48 | Russell Construction | $33,000,000 |
| 49 | Hill & Wilkinson General Contractors | $32,091,685 |
| 50 | Walbridge | $30,980,749 |
| 51 | Haselden Construction | $27,670,226 |
| 52 | Burns & McDonnell | $25,031,842 |
| 53 | DPR Construction | $24,406,000 |
| 54 | DeAngelis Diamond | $23,537,513 |
| 55 | W.E. O'Neil Construction | $22,842,561 |
| 56 | Clancy & Theys Construction | $21,421,890 |
| 57 | Fortis Construction | $21,204,497 |
| 58 | Richard Group | $19,027,651 |
| 59 | Webcor | $15,953,824 |
| 60 | Barton Malow | $15,000,000 |
| 61 | BlueScope Construction | $14,209,347 |
| 62 | STV | $14,135,508 |
| 63 | New South Construction | $11,788,000 |
| 64 | Bette Companies, The | $7,247,131 |
| 65 | Hoar Construction | $4,987,000 |
| 66 | Paric Holdings | $4,550,000 |
| 67 | Joeris General Contractors | $3,971,607 |
| 68 | Choate Construction | $2,825,227 |
| 69 | BRPH Architects Engineers | $2,611,577 |
| 70 | Wohlsen Construction | $2,309,000 |
| 71 | Progressive AE | $1,792,238 |
| 72 | Cotter Consulting | $1,352,212 |
| 73 | JLG Architects | $1,329,374 |
| 74 | KBE Building Corporation | $556,853 |
| 75 | Milhouse Engineering and Construction | $521,730 |
| 76 | KCI Technologies | $500,000 |
| 77 | Brownstone | $213,696 |
| 78 | Suffolk Construction | $203,094 |
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