June 24, 2013

The ENR Mountain States Colorado & Wyoming Top Design Firms list ranks the largest U.S.-based designs firms, both publicly and privately held, based on design-specific revenue.

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More detailed information on the Top List:
Colorado/Wyoming Top Design Firms main rankings

Other information on the Mountain States Top Lists:
Intermountain Top Design Firms
Intermountain Top Design Firms with revenue and market data

Related Article:
Top Regional Designers See An Upswing in Commercial Work

Click below for earlier editions:
2012 | 2011 | 2010

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General Building

Rank	firm	$ mil.
1	Davis Partnership Architects	25.88
2	OZ Architecture	20.90
3	Merrick & Co.	19.33
4	AECOM Technology Corp.	18.21
5	Martin/Martin Inc.	17.42
6	H+L Architecture	13.10
7	Gensler	11.88
8	RNL	11.29
9	CTL|Thompson Inc.	10.22
10	Terracon Consultants Inc.	10.08
11	MOA ARCHITECTURE	7.96
12	DLR Group	6.31
13	Lantz-Boggio Architects	6.30
14	4240 Architecture Inc.	6.21
15	The RMH Group Inc.	6.00
16	Rowland+Broughton Architecture and Urban Design	5.32
17	Fentress Architects	4.88
18	KL&A Inc.	4.58
19	BURKETTDESIGN Inc.	4.48
20	The Neenan Co.	4.27

Colorado

Rank	firm	$ mil.
1	AECOM Technology Corp.	69.88
2	Merrick & Co.	69.36
3	HDR	66.16
4	ARCADIS U.S.	48.05
5	MWH Global	34.02
6	Martin/Martin Inc.	23.76
7	Davis Partnership Architects	22.81
8	Burns & McDonnell	21.75
9	OZ Architecture	20.88
10	Atkins	20.46
11	Carollo Engineers Inc.	18.79
12	Gensler	18.23
13	Parsons Brinckerhoff	18.11
14	Terracon Consultants Inc.	15.95
15	CTL|Thompson Inc.	14.78
16	H+L Architecture	13.10
17	Felsburg Holt & Ullevig	12.23
18	The RMH Group Inc.	11.75
19	Stantec	11.68
20	RNL	11.04

Architecture

Rank	firm	$ mil.
1	Davis Partnership Architects	19.65
2	OZ Architecture	17.85
3	Gensler	15.14
4	H+L Architecture	12.94
5	Merrick & Co.	10.41
6	MOA ARCHITECTURE	7.96
7	RNL	7.62
8	4240 Architecture Inc.	6.24
9	Lantz-Boggio Architects	5.65
10	DLR Group	5.59

Wyoming

Rank	firm	$ mil.
1	HDR	6.56
2	SWCA Environmental Consultants	6.24
3	Burns & McDonnell	5.05
4	ARCADIS U.S.	4.81
5	Terracon Consultants Inc.	4.74
6	MOA ARCHITECTURE	3.65
7	Davis Partnership Architects	3.08
8	Stantec	1.41
9	Lantz-Boggio Architects	1.10
10	Martin/Martin Inc.	0.96

Education/Research

Rank	firm	$ mil.
1	4240 Architecture Inc.	6.12
2	MOA ARCHITECTURE	5.97
3	OZ Architecture	4.18
4	Davis Partnership Architects	3.31
5	The RMH Group Inc.	3.24
6	Martin/Martin Inc.	2.63
7	H+L Architecture	1.85
8	The Neenan Co.	1.85
9	DLR Group	1.74
10	M.E. GROUP Inc.	1.71

Civil Engineering

Rank	firm	$ mil.
1	HDR	38.86
2	Atkins	19.94
3	Carollo Engineers Inc.	18.84
4	AECOM Technology Corp.	11.25
5	Burns & McDonnell	10.72
6	MWH Global	10.23
7	Martin/Martin Inc.	9.29
8	Parsons Brinckerhoff	9.06
9	Felsburg Holt & Ullevig	8.10
10	Merrick & Co.	6.94

Transportation

Rank	firm	$ mil.
1	HDR	48.37
2	AECOM Technology Corp.	28.06
3	Atkins	19.86
4	Parsons Brinckerhoff	16.70
5	Felsburg Holt & Ullevig	12.18
6	Wilson & Co. Inc. Engineers and Architects	7.04
7	Gensler	6.74
8	Reynolds, Smith and Hills Inc.	5.51
9	Stantec	3.48
10	Martin/Martin Inc.	2.61

Environmental & Geotechnical Engineering

Rank	firm	$ mil.
1	AECOM Technology Corp.	39.16
2	HDR	22.84
3	MWH Global	13.64
4	Terracon Consultants Inc.	12.49
5	SWCA Environmental Consultants	7.80
6	CTL|Thompson Inc.	7.63
7	Stantec	6.11
8	Felsburg Holt & Ullevig	2.98
9	RMG Engineers Group	2.19
10	Ninyo & Moore	2.11

MEP Engineering

Rank	firm	$ mil.
1	Merrick & Co.	31.21
2	The RMH Group Inc.	11.75
3	Burns & McDonnell	8.04
4	M-E Engineers Inc.	6.68
5	Stanley Consultants	5.65
6	Swanson Rink	5.65
7	Beaudin Ganze Consulting Engineers Inc.	3.42
8	MWH Global	3.41
9	M.E. GROUP Inc.	2.98
10	AECOM Technology Corp.	1.94

Green Design

Rank	firm	$ mil.
1	Davis Partnership Architects	15.53
2	H+L Architecture	5.58
3	M-E Engineers Inc.	4.70
4	OZ Architecture	4.50
5	BURKETTDESIGN Inc.	4.48
6	Fentress Architects	4.31
7	MOA ARCHITECTURE	4.18
8	DLR Group	4.16
9	The RMH Group Inc.	4.15
10	RNL	3.93

Multi-Unit Residential

Rank	firm	$ mil.
1	OZ Architecture	4.18
2	Martin/Martin Inc.	2.98
3	CTL|Thompson Inc.	2.29
4	Davis Partnership Architects	2.01
5	Terracon Consultants Inc.	1.82
6	KL&A Inc.	0.75
7	Intergroup Architects	0.64
8	The Beck Group	0.57
9	AECOM Technology Corp.	0.37
10	RMG Engineers Group	0.31

Commercial

Rank	firm	$ mil.
1	AECOM Technology Corp.	6.59
2	RNL	4.54
3	Martin/Martin Inc.	3.17
4	Gensler	3.09
5	DLR Group	2.61
6	OZ Architecture	2.30
7	CTL|Thompson Inc.	2.29
8	H+L Architecture	1.31
9	Fentress Architects	1.23
10	The Neenan Co.	1.21

Sewer/Solid Waste

Rank	firm	$ mil.
1	Carollo Engineers Inc.	12.90
2	MWH Global	11.39
3	AECOM Technology Corp.	6.70
4	Burns & McDonnell	5.50
5	HDR	3.34
6	Merrick & Co.	2.08
7	ARCADIS U.S.	1.18
8	Stantec	1.08
9	Martin/Martin Inc.	0.81
10	Terracon Consultants Inc.	0.73

Hazardous Waste

Rank	firm	$ mil.
1	ARCADIS U.S.	47.20
2	Merrick & Co.	29.83
3	AECOM Technology Corp.	6.70
4	HDR	4.23
5	Terracon Consultants Inc.	0.95
6	Ninyo & Moore	0.25
7	Burns & McDonnell	0.20
8	Stantec	0.19
9	CTL|Thompson Inc.	0.15
10	Ayres Associates	0.01

Water Supply

Rank	firm	$ mil.
1	MWH Global	21.88
2	HDR	7.80
3	Carollo Engineers Inc.	5.93
4	Burns & McDonnell	5.60
5	ARCADIS U.S.	4.76
6	AECOM Technology Corp.	3.98
7	Dewberry	3.64
8	Ayres Associates	2.25
9	Merrick & Co.	2.17
10	Parsons Brinckerhoff	1.41

Manufacturing

Rank	firm	$ mil.
1	Martin/Martin Inc.	2.71
2	The RMH Group Inc.	2.49
3	AECOM Technology Corp.	1.09
4	CSNA ARCHITECTS	0.85
5	Intergroup Architects	0.32

Telecommunications

Rank	firm	$ mil.
1	Swanson Rink	2.60
2	The RMH Group Inc.	1.07
3	Terracon Consultants Inc.	0.79
4	Mazzetti	0.40
5	Collins Engineers Inc.	0.32

Landscape Architecture

Rank	firm	$ mil.
1	Davis Partnership Architects	2.70
2	Design Concepts CLA Inc.	1.25
3	RNL	0.78
4	Stanley Consultants	0.62
5	AECOM Technology Corp.	0.58

Interior Design

Rank	firm	$ mil.
1	Davis Partnership Architects	3.53
2	Gensler	3.17
3	OZ Architecture	3.05
4	RNL	2.90
5	DLR Group	0.72

Structural Engineering

Rank	firm	$ mil.
1	Martin/Martin Inc.	15.34
2	AECOM Technology Corp.	12.11
3	Merrick & Co.	6.94
4	KL&A Inc.	4.58
5	MWH Global	3.41
6	Burns & McDonnell	3.22
7	Parsons Brinckerhoff	2.74
8	Felsburg Holt & Ullevig	1.23
9	CTL|Thompson Inc.	0.76
10	Studio NYL Structural Engineers	0.73

Surveying and Mapping

Rank	firm	$ mil.
1	Merrick & Co.	13.87
2	Surveying And Mapping Inc. (SAM Inc.)	4.72
3	MWH Global	1.70
4	Wilson & Co. Inc. Engineers and Architects	0.66
5	Stanley Consultants	0.22
6	Ayres Associates	0.18
7	RMG Engineers Group	0.12
8	Martin/Martin Inc.	0.09
9	Hatch Mott MacDonald	0.09
10	Stantec	0.03

Hospitality

Rank	firm	$ mil.
1	Gensler	7.04
2	OZ Architecture	5.22
3	Rowland+Broughton Architecture and Urban Design	1.34
4	CTL|Thompson Inc.	1.22
5	Beaudin Ganze Consulting Engineers Inc.	1.17

Government/Public Service

Rank	firm	$ mil.
1	Merrick & Co.	13.87
2	AECOM Technology Corp.	8.24
3	RNL	4.22
4	Fentress Architects	3.03
5	Burns & McDonnell	2.86
6	Terracon Consultants Inc.	2.17
7	OZ Architecture	1.67
8	Coover-Clark & Associates Inc.	1.35
9	The RMH Group Inc.	1.21
10	M.E. GROUP Inc.	0.91

Health Care

Rank	firm	$ mil.
1	Davis Partnership Architects	17.56
2	H+L Architecture	9.93
3	Martin/Martin Inc.	4.14
4	Lantz-Boggio Architects	3.99
5	HDR	2.07
6	KL&A Inc.	1.34
7	DLR Group	1.23
8	CTL|Thompson Inc.	1.22
9	The Neenan Co.	1.03
10	MOA ARCHITECTURE	0.84

Retail

Rank	firm	$ mil.
1	Terracon Consultants Inc.	2.49
2	Stantec	1.82
3	CSHQA Inc.	1.15
4	CTL|Thompson Inc.	0.61
5	Intergroup Architects	0.32
6	RMG Engineers Group	0.25
7	Gensler	0.24
8	AECOM Technology Corp.	0.21
9	Swanson Rink	0.18
10	Rowland+Broughton Architecture and Urban Design	0.17

Sports/Recreation

Rank	firm	$ mil.
1	Martin/Martin Inc.	2.19
2	Sink Combs Dethlefs PC	1.66
3	Davis Partnership Architects	1.23
4	KL&A Inc.	0.56
5	Logan Simpson Design Inc.	0.39
6	Design Concepts CLA Inc.	0.38
7	The RMH Group Inc.	0.25
8	Gensler	0.22
9	Intergroup Architects	0.16
10	CTL|Thompson Inc.	0.15

Industrial Process

Rank	firm	$ mil.
1	Burns & McDonnell	4.83
2	Terracon Consultants Inc.	0.39
3	Zachry Holdings Inc.	0.26
4	AECOM Technology Corp.	0.19
5	SWCA Environmental Consultants	0.19
6	The RMH Group Inc.	0.17
7	CTL|Thompson Inc.	0.08
8	Stantec	0.06
9	RMG Engineers Group	0.06
10	Ninyo & Moore	0.02

Master Plan/Site

Rank	firm	$ mil.
1	Merrick & Co.	4.16
2	CTL|Thompson Inc.	3.97
3	Vision Land Consultants Inc.	1.09
4	Stanley Consultants	0.67
5	Martin/Martin Inc.	0.31

Power

Rank	firm	$ mil.
1	Stanley Consultants	9.18
2	Burns & McDonnell	7.69
3	HDR	4.87
4	Merrick & Co.	2.78
5	SWCA Environmental Consultants	1.70
6	AECOM Technology Corp.	0.85
7	MWH Global	0.40
8	Terracon Consultants Inc.	0.30
9	Martin/Martin Inc.	0.27
10	Wilson & Co. Inc. Engineers and Architects	0.24

Petroleum

Rank	firm	$ mil.
1	SWCA Environmental Consultants	5.43
2	Surveying And Mapping Inc. (SAM Inc.)	4.72
3	AECOM Technology Corp.	4.10
4	Stantec	4.01
5	Merrick & Co.	3.47

R&D Facilities

Rank	firm	$ mil.
1	Merrick & Co.	5.46
2	AECOM Technology Corp.	2.38
3	Intergroup Architects	0.48
4	The RMH Group Inc.	0.47
5	Stantec	0.27
6	CTL|Thompson Inc.	0.15
7	Mazzetti	0.14
8	KL&A Inc.	0.03
9	Ninyo & Moore	0.02
10	Martin/Martin Inc.	0.02