2013 Top 50 Glaziers: The List

Top 50 U.S. glaziers based on 2012 sales

$150 million to $200 million


1. Harmon Inc.

Previous rank: 4
Sales: Up 20 percent from 2011 to 2012
Headquarters: Bloomington, Minn.
U.S. locations: 14
Full-time employees/total employees: 594/594
Website: www.harmoninc.com

2. Enclos Corp.

Previous rank: 3
Sales: Up 10.3 percent from 2011 to 2012
Headquarters: Eagan, Minn.
U.S. locations: 18
Full-time employees/total employees: 415/415
Website: www.enclos.com

*The silent players The majority of the information included in the Top 50 Glaziers comes directly from contract glazing firms; this year, 48 of the Top 50 confirmed their 2012 sales figures. However, some companies request that we not include them or refuse to provide any information. We understand the sensitivity of releasing sales figures; however, we do not omit any firms simply because they ask. In cases where a company declines to participate, we use independent sources that include Manta, Dun & Bradstreet and Hoovers, as well as prior-year submissions and other industry sources to determine their ranking. Companies marked with an asterisk are those that declined to provide information for the 2013 Top 50 Glaziers survey, but that Glass Magazine editors believe should be included. Their estimated rank is based on the independent sources described above.

3. Permasteelisa North America Corp.*

Previous rank: 2
Headquarters: Windsor, Conn.
U.S. locations: 6
Employees: 1,000
Website: www.permasteelisagroup.com

4. Benson Industries*

Previous rank: 1
Headquarters: Portland, Ore.
U.S. locations: 5
Employees: 621
Website: www.bensonglobal.com

$100 million to $150 million


5. Walters & Wolf

Previous rank: 5
Sales: Up 38.6 percent from 2011 to 2012
Headquarters: Fremont, Calif.
U.S. locations: 5
Full-time employees/total employees: 515/515
Website: www.waltersandwolf.com

$50 million to $100 million

**Gamma’s sales figures include all North American sales for 2012.

6. Gamma Windows and Walls International Inc.**

Previous rank: N/A
Sales: Up 8.9 percent from 2011 to 2012
Headquarters: Markham, Ontario
North American locations: 9
Employees: 460
Website: www.gammainternational.org

7. W&W Glass Inc.

Previous rank: 6
Sales: Down 10.5 percent from 2011 to 2012
Headquarters: Nanuet, N.Y.
U.S. locations: 1
Full-time employees/total employees: 150/150
Website: www.wwglass.com

8. Architectural Glass & Aluminum

Previous rank: 7
Sales: Up 9.7 percent from 2011 to 2012
Headquarters: Livermore, Calif.
U.S. locations: 3
Full-time employees/total employees: 125/160
Website: www.aga-ca.com

9. TSI/Exterior Wall Systems Inc.

Previous rank: 10
Sales: Up 26 percent from 2011 to 2012
Headquarters: Upper Marlboro, Md.
U.S. locations: 1
Full-time employees/total employees: 105/150
Website: www.tsicorporations.com

10. Tower Glass Inc.

Previous rank: 11/12
Sales: Up 28 percent from 2011 to 2012
Headquarters: Santee, Calif.
U.S. locations: 2
Full-time employees/total employees: 200/240
Website: www.towerglass.com

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