The Top Design Firms list, published annually, ranks the largest U.S.-based designs firms, both publicly and privately held, based on design-specific revenue.

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ENR New York Top Design Firms by Market Sector

Multi-Unit Residential

Rank	Firm	($ Mil)
1	STV	27.52
2	WSP | Parsons Brinckerhoff	25.31
3	Langan	18.45
4	DeSimone Consulting Engineers	15.17
5	Perkins Eastman	10.61
6	CetraRuddy Architecture	10.34
7	Dattner Architects	8.92
8	MINNO & WASKO Architects and Planners	8.75
9	AECOM	6.94
10	Arup	6.90

Industrial Process

Rank	Firm	($ Mil)
1	AECOM	45.51
2	CHA Consulting Inc.	10.00
3	C&S Cos.	5.00
4	WSP | Parsons Brinckerhoff	3.35
5	Gannett Fleming	2.27

Water Supply

Rank	Firm	($ Mil)
1	ARCADIS US/RTKL/Callison	34.51
2	C.H. Nickerson & Co.	30.04
3	AECOM	21.16
4	Hatch Mott MacDonald	12.14
5	Sam Schwartz Engineering DPC	12.00
6	H2M architects + engineers	11.66
7	Kleinfelder	7.82
8	Dewberry	4.89
9	Gannett Fleming	4.61
10	Tighe & Bond Inc.	4.51

Power

Rank	Firm	($ Mil)
1	WSP | Parsons Brinckerhoff	166.49
2	Burns & McDonnell	116.71
3	AECOM	66.83
4	Altran North America	17.96
5	CHA Consulting Inc.	13.00
6	R.G. Vanderweil Engineers	9.50
7	Stantec	8.41
8	LaBella Associates DPC	7.25
9	Gannett Fleming	7.07
10	Haley & Aldrich	5.25

Environmental & Geotechnical Engineering

Rank	Firm	($ Mil)
1	ARCADIS US/RTKL/Callison	205.25
2	AECOM	142.00
3	Langan	73.79
4	AKRF	40.87
5	Haley & Aldrich	35.67
6	D&B Engineers and Architects PC	35.22
7	Kleinfelder	32.56
8	WSP | Parsons Brinckerhoff	30.83
9	Cardno	26.30
10	GEI Consultants Inc.	25.83

Retail

Rank	Firm	($ Mil)
1	Gensler	13.00
2	ARCADIS US/RTKL/Callison	12.41
3	Bergmann Associates	9.86
4	Maser Consulting PA	9.20
5	BL Cos.	8.46

Hazardous Waste

Rank	Firm	($ Mil)
1	ARCADIS US/RTKL/Callison	150.12
2	Langan	39.53
3	AECOM	28.91
4	Kleinfelder	24.16
5	GEI Consultants Inc.	22.77
6	Haley & Aldrich	20.79
7	Cardno	18.79
8	Woodard & Curran	13.46
9	H2M architects + engineers	9.59
10	D&B Engineers and Architects PC	8.62

Sewerage/Solid Waste

Rank	Firm	($ Mil)
1	C.H. Nickerson & Co.	65.80
2	AECOM	42.94
3	D&B Engineers and Architects PC	24.02
4	Hatch Mott MacDonald	23.33
5	ARCADIS US/RTKL/Callison	20.62
6	Greeley and Hansen	20.45
7	Woodard & Curran	8.07
8	T&M Associates	8.00
9	Dewberry	6.00
10	Maser Consulting PA	5.20

MEP Engineering

Rank	Firm	($ Mil)
1	WSP | Parsons Brinckerhoff	52.27
2	AKF	47.52
3	Burns & McDonnell	44.25
4	AECOM	40.74
5	STV	36.70
6	Robert Derector Associates	27.59
7	R.G. Vanderweil Engineers	26.48
8	Syska Hennessy Group	25.71
9	Arup	24.98
10	M/E Engineering PC	21.61
11	Joseph R. Loring & Associates Inc.	17.50
12	CHA Consulting Inc.	16.70
13	Altran North America	13.51
14	Lizardos Engineering Associates PC	12.23
15	Jacob Feinberg Katz and Michaeli Consulting Group	11.87
16	Greenman-Pedersen Inc.	10.81
17	Stantec	10.79
18	Highland Associates PC, Architecture Engineering Design	8.49
19	Cameron Engineering	7.50
20	LaBella Associates DPC	7.19