The Top Specialty Contractors list, published annually, ranks the general contractors, both publicly and privately held, based on construction contracting-specific revenue.

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ENR Midwest Top Specialty Contractors by Sector

Ohio

Rank	Firm	$ Mil.
1	EMCOR Group Inc.	503.24
2	MasTec Inc.	131.00
3	GEM Inc.	121.95
4	Dunbar Mechanical Inc.	45.33
5	Gaylor Electric Inc.	42.00
6	Comfort Systems USA Inc.	25.02
7	Sachs Electric Co.	9.76
8	Murphy Co. Mechanical Contractors & Engineers	7.80
9	Harmon Inc.	6.50
10	Newkirk Electric Associates Inc.	6.32

Michigan

Rank	Firm	$ Mil.
1	MasTec Inc.	647.00
2	Newkirk Electric Associates Inc.	79.92
3	Andy J. Egan Co.	74.00
4	Terra Contracting Services	68.31
5	Comfort Systems USA Inc.	43.38
6	GEM Inc.	13.94
7	Faith Technologies Inc.	11.39
8	Consolidated Electrical Contractors	8.66
9	Ryan Inc. Central	8.39
10	Dunbar Mechanical Inc.	4.50

Wisconsin

Rank	Firm	$ Mil.
1	J.F. Ahern Co.	166.76
2	Faith Technologies Inc.	162.12
3	The Morse Group Inc.	117.91
4	Comfort Systems USA Inc.	65.04
5	Edgerton Contractors Inc.	59.84
6	Van Ert Electric Co.	55.85
7	EMCOR Group Inc.	33.41
8	Construction Supply & Erection Inc.	22.33
9	Building Service Inc.	18.50
10	INTREN Inc.	12.37
11	MasTec Inc.	11.00
12	The Rockwell Group Inc.	8.39
13	Mechanical Inc.	7.85
14	Thomas Industrial Coatings Inc.	5.97
15	Ryan Inc. Central	4.12
16	Case Foundation Co.	3.53
17	Harmon Inc.	1.50
18	Terra Contracting Services	1.46
19	Prostar Surfaces Inc.	1.30
20	The State Group Inc.	1.25

Illinois

Rank	Firm	$ Mil.
1	The Hill Group	243.54
2	MasTec Inc.	129.00
3	EMCOR Group Inc.	124.40
4	INTREN Inc.	120.01
5	Mechanical Inc.	108.04
6	Kelso-Burnett Co.	88.53
7	James McHugh Construction Co.	60.19
8	Otto Baum Co.	54.75
9	A&R Mechanical Contractors Inc.	35.14
10	The Morse Group Inc.	33.77
11	Guarantee Electrical Co.	32.00
12	All-Tech Decorating Co.	30.55
13	Amex Nooter	25.50
14	BMWC Constructors Inc.	24.00
15	Ryan Inc. Central	22.01
16	Break Thru Enterprises Inc.	20.80
17	Vee-Jay Cement Contracting Co.	20.31
18	L. Keeley Construction Co.	20.00
19	Murphy Co. Mechanical Contractors & Engineers	17.69
20	Area Erectors Inc.	15.83

Missouri

Rank	Firm	$ Mil.
1	Guarantee Electrical Co.	136.00
2	U.S. Engineering Co.	130.57
3	Murphy Co. Mechanical Contractors & Engineers	99.64
4	PayneCrest Electric Inc.	78.77
5	Vee-Jay Cement Contracting Co.	58.61
6	Sachs Electric Co.	53.96
7	Charles E. Jarrell Contracting	52.03
8	Aschinger Electric Co.	33.40
9	TJ Wies Contracting Inc.	26.96
10	INTREN Inc.	16.19
11	Faith Technologies Inc.	13.14
12	Thomas Industrial Coatings Inc.	12.79
13	The State Group Inc.	8.36
14	J.F. Ahern Co.	7.31
15	MasTec Inc.	7.00
16	Truesdell Corp. of Wisconsin	5.89
17	L. Keeley Construction Co.	3.00
18	Van Ert Electric Co.	1.85
19	Case Foundation Co.	1.84
20	Gaylor Electric Inc.	1.75

Indiana

Rank	Firm	$ Mil.
1	EMCOR Group Inc.	592.95
2	BMWC Constructors Inc.	375.00
3	Gaylor Electric Inc.	115.95
4	Sachs Electric Co.	110.82
5	ERMCO Inc.	95.87
6	Amex Nooter	66.00
7	Poynter Sheet Metal	50.10
8	Comfort Systems USA Inc.	45.97
9	Circle B Construction Systems	33.12
10	The State Group Inc.	22.10
11	Gribbins Insulation	19.79
12	Faith Technologies Inc.	10.72
13	Mechanical Inc.	10.35
14	Ryan Inc. Central	6.53
15	Newkirk Electric Associates Inc.	6.48
16	MasTec Inc.	5.00
17	Charles E. Jarrell Contracting	4.36
18	Case Foundation Co.	3.95
19	The Morse Group Inc.	3.61
20	Terra Contracting Services	3.24