ENR Names Top 20 Glazing/Curtainwall Contractors; Harmon Tops List

The Engineering News-Record has released its report on the top 600 specialty contractors in the October 13 edition of the magazine. Among the specialty building niches it ranked was that of glazing/curtainwall, of which it named the top 20 in the field.

Leading the pack is Harmon Inc. with $291.0 million in revenue for 2007, a 7 percent increase from the year before. Second on the list is Enclos Corp., with a 2007 revenue of $223.7 million, reflecting a 44 percent increase over the previous year.

Following is the entire Top 20:

Rank	Firm	2007 Revenue (Millions of Dollars)	Percent Change ('06-'07)
1	Harmon Inc.	291.0	+7
2	Enclos Corp.	223.7	+44
3	Walters & Wolf	193.6	+41
4	Trainor Glass Co.	126.6	+34
5	W&W Glass LLC	115.0	+44
6	Architectural Glass & Aluminum Co.	95.0	+36
7	Haley-Greer Inc.	60.0	+50
8	Giroux Glas Inc.	39.1	+7
9	Karas & Karas Glass Co. Inc.	31.8	-32
10	MTH Industries	31.2	+11
11	Heinaman Contract Glazing	29.7	+25
12	National Construction Enterprises Inc.	27.3	+27
13	Builders Architectural Products Inc.	27.0	N/A
14	Architectural Wall Systems Co.	26.5	-5
15	Ajay Glass & Mirror Co. Inc.	26.0	+34
16	Tower Glass Inc.	24.5	+32
17	Greenstar Services Corp.	20.0	N/A
18	Egan Co.	19.3	+44
19	R&R Window Contractors Inc.	19.0	+25
20	Zephyr Aluminum LLC	15.4	-30

N/A = Not Available

Reprinted courtesy of Engineering News-Record, copyright The McGraw Hill Companies, Inc., October 13, 2007, All rights reserved. To subscribe to ENR, visit http://bit.ly/vuIr0Z (special discount for USGNN readers).

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