Top 20 Glazing and Curtainwall Contractors Announced

McGraw Hill Construction/ENR magazine has released its list of the top 20 glazing and curtainwall contractors, listed below. The list is one of several "top glazier" compendiums circulated in the industry.

At the top of the list, once again, is Harmon Inc. with $272.3 million in revenue for 2006, a 24 percent increase over 2005. Next is Enclos Corp., with a revenue of $155 million in 2006, a 10 percent increase over the previous year. New to the list since last year are T.S.G. Industries Inc., number 10; Architectural Wall Systems Co., number 12; and Unity International, number 18.

CLICK HERE to see last year's top 20 list.

The Top 20 Glazing/Curtainwall Contractors

Rank	Firm	Revenue in $ Million	% Change 2005-2006
1	Harmon Inc.	272.3	24
2	Enclos Corp.	155.0	10
3	Walters & Wolf	137.0	12
4	Trainor Glass Co.	94.2	27
5	W&W Glass LLC	80.0	33
6	Architectural Glass & Aluminum Co.	70.0	57
7	Karas & Karas Glass Co. Inc.	46.8	14
8	Haley-Greer Inc.	40.0	NA
9	Giroux Glass Inc.	36.5	98
10	T.S.G. Industries Inc.	36.4	NA
11	MTH Industries	28.2	2
12	Architectural Wall Systems Co.	28.0	NA
13	Heinaman Contract Glazing	23.8	15
14	Masonry Arts Inc.	22.6	2
15	Zephyr Aluminum LLC	22.0	9
16	National Construction Enterprises Inc.	21.5	-13
17	Ajay Glass & Mirror Co. Inc.	19.4	50
18	Unity International	18.7	NA
19	Tower Glass Inc.	18.5	16
20	R&R Window Contractors Inc.	15.2	16

Source: ENR magazine.

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