June 2017
The ENR Mid-Atlantic Top Design Firms list, ranks the largest U.S.-based designs firms, both publicly and privately held, based on design-specific revenue.

More detailed information on the Top Design Firms:
View Complete List of Main Rankings
Related Article:
Infrastructure work gives boost to region’s design industry
Click below for earlier editions:
2016 | 2015 | 2014
| Page 1 | Page 2 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 198.70 |
| 2 | JOHNSON, MIRMIRAN & THOMPSON INC. | 119.10 |
| 3 | DEWBERRY | 86.26 |
| 4 | MICHAEL BAKER INTERNATIONAL | 77.83 |
| 5 | HDR | 59.81 |
| 6 | KIMLEY-HORN | 57.45 |
| 7 | STANTEC | 45.08 |
| 8 | CLARK NEXSEN | 43.20 |
| 9 | ECS MID-ATLANTIC LLC | 42.18 |
| 10 | TIMMONS GROUP | 42.11 |
| 11 | WHITMAN, REQUARDT AND ASSOCIATES LLP | 35.07 |
| 12 | WSP | 34.80 |
| 13 | GENSLER | 32.74 |
| 14 | CARDNO | 28.63 |
| 15 | HNTB CORP. | 27.51 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 101.24 |
| 2 | WSP | 54.06 |
| 3 | GENSLER | 36.92 |
| 4 | PAGE SOUTHERLAND PAGE INC. | 28.00 |
| 5 | QUINN EVANS ARCHITECTS | 22.86 |
| 6 | PERKINS EASTMAN | 18.62 |
| 7 | STANTEC | 17.98 |
| 8 | SMITHGROUPJJR | 17.01 |
| 9 | ZGF ARCHITECTS LLP | 16.87 |
| 10 | ECS MID-ATLANTIC LLC | 16.81 |
| RANK | FIRM | $ MIL. |
| 1 | THE THRASHER GROUP INC. | 24.10 |
| 2 | GAI CONSULTANTS | 14.83 |
| 3 | MICHAEL BAKER INTERNATIONAL | 12.11 |
| 4 | STANTEC | 11.94 |
| 5 | RETTEW ASSOCIATES INC. | 11.37 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 40.70 |
| 2 | GANNETT FLEMING | 28.27 |
| 3 | MICHAEL BAKER INTERNATIONAL | 26.16 |
| 4 | ARCADIS NORTH AMERICA | 16.94 |
| 5 | STANTEC | 16.60 |
| 6 | DEWBERRY | 14.40 |
| 7 | ATKINS NORTH AMERICA | 13.53 |
| 8 | WHITMAN, REQUARDT AND ASSOCIATES LLP | 13.32 |
| 9 | MOTT MACDONALD | 11.76 |
| 10 | KCI TECHNOLOGIES INC. | 10.30 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 199.78 |
| 2 | MICHAEL BAKER INTERNATIONAL | 136.96 |
| 3 | HDR | 110.71 |
| 4 | GANNETT FLEMING | 104.16 |
| 5 | PENNONI | 95.21 |
| 6 | MOTT MACDONALD | 61.07 |
| 7 | STANTEC | 59.90 |
| 8 | EWINGCOLE | 52.10 |
| 9 | CIVIL & ENVIRONMENTAL CONSULTANTS INC. | 50.41 |
| 10 | GAI CONSULTANTS | 44.62 |
| 11 | STV | 44.32 |
| 12 | JOHNSON, MIRMIRAN & THOMPSON INC. | 42.60 |
| 13 | BURNS & MCDONNELL | 38.64 |
| 14 | ARCADIS NORTH AMERICA | 32.10 |
| 15 | LARSON DESIGN GROUP | 30.75 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 120.99 |
| 2 | KCI TECHNOLOGIES INC. | 100.20 |
| 3 | WHITMAN, REQUARDT AND ASSOCIATES LLP | 68.44 |
| 4 | ATKINS NORTH AMERICA | 61.65 |
| 5 | HDR | 36.09 |
| 6 | WSP | 33.39 |
| 7 | WALLACE MONTGOMERY & ASSOCIATES LLP | 30.13 |
| 8 | HORD COPLAN MACHT | 26.41 |
| 9 | DEWBERRY | 26.33 |
| 10 | GRIMM + PARKER ARCHITECTS | 23.22 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 30.03 |
| 2 | KCI TECHNOLOGIES INC. | 16.00 |
| 3 | WHITMAN, REQUARDT AND ASSOCIATES LLP | 15.30 |
| 4 | PENNONI | 14.83 |
| 5 | DAVIS, BOWEN & FRIEDEL INC. | 9.10 |
| RANK | FIRM | $ MIL. |
| 1 | AECOM | 248.12 |
| 2 | HNTB CORP. | 28.93 |
| 3 | MICHAEL BAKER INTERNATIONAL | 24.63 |
| 4 | WHITMAN, REQUARDT AND ASSOCIATES LLP | 20.37 |
| 5 | HDR | 19.33 |
| 6 | BURNS & MCDONNELL | 16.97 |
| 7 | SAI CONSULTING ENGINEERS INC. | 15.32 |
| 8 | WSP | 13.00 |
| 9 | PRIME AE GROUP INC. | 12.75 |
| 10 | STV | 12.63 |
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