Commercial

Rank	Firm	$ Mil.
1	Gensler	6.20
2	SmithGroupJJR	3.16
3	Dekker/Perich/Sabatini	2.39
4	JBA Consulting Engineers	1.37
5	EPS Group Inc., Engineers, Planners & Surveyors	1.30
6	AECOM	1.20
6	Ninyo & Moore	1.20
8	Bohannan Huston Inc.	1.09
9	Michael Baker International	1.07
9	Terracon Consultants Inc.	1.07

Architecture

Rank	Firm	$ Mil.
1	Dekker/Perich/Sabatini	18.78
2	Orcutt | Winslow	13.06
3	Gensler	10.94
4	DWL Architects + Planners Inc.	10.06
5	SmithGroupJJR	8.50
6	DLR Group	8.00
7	FBT Architects	7.28
8	Westlake Reed Leskosky	5.62
9	Atkins North America	4.09
10	Michael Baker International	4.09
11	SMPC Architects	3.89
12	Architekton	3.68
13	Emc2 Group Architects	3.34
14	Nelsen Partners Inc.	3.20
15	Van H. Gilbert Architect PC	3.16
16	AECOM	3.14
17	Ayers Saint Gross	1.96
18	Burns & McDonnell	1.50
19	Wilson & Company Inc., Engineers & Architects	1.32
20	FM GROUP INC.	1.25

Civil Engineering

Rank	Firm	$ Mil.
1	AECOM	29.45
2	Carollo Engineers Inc.	21.37
3	Kimley-Horn	21.21
4	AZTEC Engineering Group Inc.	18.74
5	Stantec	17.75
6	MWH Global	16.26
7	Bohannan Huston Inc.	14.96
8	Wilson & Co., Engineers & Architects	14.91
9	Stanley Consultants	14.11
10	Atkins North America	13.77
11	Souder Miller & Associates	12.57
12	Dibble Engineering	11.76
13	Cardno	9.50
14	EPS Group Inc., Engineers, Planners & Surveyors	8.70
15	Psomas	8.63
16	Michael Baker International	6.50
16	Burns & McDonnell	6.50
18	Molzen Corbin	6.43
19	G.C. Wallace Inc.	5.01
20	Gannett Fleming Inc.	3.05

Transportation

Rank	Firm	$ Mil.
1	AZTEC Engineering Group Inc.	27.83
2	AECOM	27.59
3	Kimley-Horn	22.75
4	DWL Architects + Planners Inc.	13.54
5	Stanley Consultants	12.77
6	Wilson & Co., Engineers & Architects	12.22
7	Atkins North America	10.73
8	Psomas	7.08
9	Gannett Fleming Inc.	6.61
10	Dibble Engineering	6.04
11	Molzen Corbin	5.89
12	Souder Miller & Associates	4.15
13	Terracon Consultants Inc.	3.88
14	G.C. Wallace Inc.	3.85
15	Bohannan Huston Inc.	3.59
16	Michael Baker International	3.21
17	EPS Group Inc., Engineers, Planners & Surveyors	3.14
18	Logan Simpson	2.95
19	Cardno	2.38
20	Stantec	2.34

Environmental & Geotechnical Engineering

Rank	Firm	$ Mil.
1	ARCADIS US/RTKL/Callison	35.77
2	SWCA Environmental Consultants	13.38
3	Ninyo & Moore	10.22
4	Terracon Consultants Inc.	9.90
5	Stantec	9.08
6	Cardno	7.13
7	Logan Simpson	4.90
8	Gannett Fleming Inc.	4.29
9	AZTEC Engineering Group Inc.	3.94
10	Kimley-Horn	3.54

MEP Engineering

Rank	Firm	$ Mil.
1	Bridgers & Paxton Consulting Engineers Inc.	16.46
2	Burns & McDonnell	15.00
3	JBA Consulting Engineers	5.83
4	Affiliated Engineers Inc.	3.72
5	DWL Architects + Planners Inc.	2.98
6	SmithGroupJJR	2.60
7	Architekton	2.35
8	DLR Group	2.16
9	AECOM	2.06
10	Stanley Consultants	2.05