ENR Names Its List of Top 20 Glazing/Curtainwall Contractors; Enclos Tops List
October 14, 2009

Engineering News-Record released its report on the top 600 specialty contractors in the October 12 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 Enclos Corp., with $303.0 million in revenue for 2008, a 35-percent

increase from the year before. Second on the list is last year's number one company, Harmon Inc., which remained steady with a 2008 revenue of $290.0 million.

The following is the entire Top 20:

Rank Firm 2008 Revenue
(Millions of Dollars)
Percent Change ('07-'08)
1 Enclos Corp. 303.0 +35
2 Harmon Inc. 290.0 +0
3 Walters & Wolf 248.1 +28
4 Trainor Glass Co. 185.0 +46
5 W&W Glass LLC 110.0 -4
6 Haley-Greer Inc. 100.0 +67
7 AWS 93.0 -2
8 Giroux Glass Inc. 58.8 +50
9 CBO Glass 55.1 NA
10 TSI/Exterior Wall Systems Inc. 53.9 NA
11 Karas & Karas Glass Co. Inc. 50.8 +60
12 Heinaman Contract Glazing 50.0 +68
13 Tower Glass Inc. 40.3 +64
14 Ajay Glass & Mirror Co. Inc. 38.7 +49
15 Architectural Wall Systems Co. 33.0 +25
16 National Construction Enterprises Inc. 30.1 +10
17 SPS Corp. 28.5 NA
18 MTH Industries 27.9 -11
19 Zephyr Aluminum LLC 23.3 +51
20 Builders Architectural Products Inc 23.1 -14
N/A = Not Available

CLICK to see last year's ENR list.

CLICK HERE to view USGlass magazine's 2009 list of top glazing contractors.

Reprinted courtesy of Engineering News-Record, copyright The McGraw Hill Companies, Inc., October 14, 2009, All rights reserved. To subscribe to ENR, visit http://bit.ly/vuIr0Z (special discount for USGNN readers).

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