2015 Mid-Atlantic Top Design Firms Sectors

Companies are ranked according to revenue for design services performed in 2007 in $ millions (*). Those with subsidiaries are indicated by (†). Firms not ranked last year are designated **. Some markets may not add up to 100% due to omission of "other" miscellaneous market category and rounding. NA=Not available.

Key to type of Firm: A=architect; E=engineer; EC=engineer-contractor; AE=architect-engineer; EA=engineer-architect; ENV=environmental; GE=geotechnical engineer; L=landscape architect; P=planner; O=other. Other combinations possible. Firms classified themselves.

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Washington, D.C.

Rank	Firm	$ Mil.
1	Gensler	76.21
2	AECOM	61.27
3	WSP | Parsons Brinckerhoff	55.67
4	Page	28.63
5	ARCADIS/RTKL/Callison	26.15
6	Shalom Baranes Associates	23.48
7	SmithGroupJJR	15.97
8	ECS Mid-Atlantic LLC	14.48
9	Greeley and Hansen	14.46
10	HNTB Corp.	12.96
11	Gannett Fleming	12.42
12	Perkins+Will	10.46
13	Atkins North America	10.16
14	STV	8.04
15	Stantec	7.89
16	WDG Architecture	7.70
17	PEER Consultants	7.57
18	EwingCole	7.49
19	VOA Associates Inc.	6.74
20	Dewberry	6.66

Virginia

Rank	Firm	$ Mil.
1	AECOM	100.12
2	Dewberry	95.57
3	Michael Baker international	88.62
4	Clark Nexsen	47.27
5	Kimley-Horn	41.80
6	WSP | Parsons Brinckerhoff	41.63
7	ECS Mid-Atlantic LLC	33.61
8	Timmons Group	33.41
9	ARCADIS/RTKL/Callison	32.04
10	Whitman, Requardt & Associates LLP	31.89
11	HNTB Corp.	26.32
12	Draper Aden Associates Inc.	23.15
13	Rummel, Klepper & Kahl LLP	23.00
14	Stantec	21.98
15	Cardno	21.31
16	Johnson, Mirmiran & Thompson Inc.	19.00
17	GAI Consultants Inc.	12.71
18	Pennoni	11.34
19	Greeley and Hansen	10.31
20	Cooper Carry Inc.	8.26

Pennsylvania

Rank	Firm	$ Mil.
1	AECOM	153.32
2	Michael Baker international	108.83
3	Gannett Fleming	89.15
4	Pennoni	75.13
5	STV	72.18
6	Civil & Environmental Consultants Inc.	58.50
7	Stantec	53.01
8	GAI Consultants Inc.	47.00
9	McCormick Taylor Inc.	40.60
10	EwingCole	34.19
11	Hatch Mott MacDonald	31.31
12	SAI Consulting Engineers Inc.	27.00
13	ARCADIS/RTKL/Callison	26.95
14	HNTB Corp.	26.77
15	WSP | Parsons Brinckerhoff	25.12
16	Johnson, Mirmiran & Thompson Inc.	23.50
17	Herbert, Rowland & Grubic Inc.	22.94
18	Dawood Engineering Inc.	18.32
19	Skelly and Loy Inc.	17.02
20	Langan Environmental & Engineering Services	16.56

Maryland

Rank	Firm	$ Mil.
1	AECOM	284.45
2	Johnson, Mirmiran & Thompson Inc.	99.70
3	Rummel, Klepper & Kahl LLP	93.50
4	KCI Technologies Inc.	80.40
5	Whitman, Requardt & Associates LLP	64.77
6	WSP | Parsons Brinckerhoff	42.91
7	SmithGroupJJR	32.25
8	Stantec	28.58
9	STV	23.39
10	Gannett Fleming	22.64
11	Ayers Saint Gross	22.20
12	Dewberry	21.81
13	McCormick Taylor Inc.	21.20
14	ARCADIS/RTKL/Callison	20.37
15	Grimm + Parker Architects	19.08
16	ECS Mid-Atlantic LLC	18.03
17	Soltesz	15.00
18	Wallace Montgomery	14.44
19	Design Collective Inc.	13.90
20	Whitney, Bailey, Cox & Magnani LLC	13.86

Delaware

Rank	Firm	$ Mil.
1	WSP | Parsons Brinckerhoff	30.84
2	AECOM	14.82
3	Pennoni	11.61
4	KCI Technologies Inc.	11.20
5	Whitman, Requardt & Associates LLP	7.92
6	Becker Morgan Group Inc.	7.71
7	Davis, Bowen & Friedel Inc.	7.69
8	ARCADIS/RTKL/Callison	5.34
9	Cardno	4.52
10	Johnson, Mirmiran & Thompson Inc.	4.40