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Engineering News-Record has released its list of the Top 600 Specialty Contractors, including its top contract glaziers. A number of companies rounding out the top ten glazing and curtainwall firms saw revenue increases in 2012 compared to 2011.
Harmon Inc., once again ranked in the number-one slot, saw its revenue increase 20 percent to $180 million. Likewise, Enclos Corp. in the number-two slot saw its revenues up 10 percent to $176.4 million. Coming in at number 3, Walters & Wolf had revenues increase 38 percent to $140.3 million.
The list below provides a breakdown of the top ten glazing and curtainwall firms making the list.
| Company | $Mill/2012 Revenue | % Change ’11 – ’12 |
| Harmon | $180 | +20 |
| Enclos | 176.4 | +10 |
| Walters & Wolf | 140.3 | +38 |
| W&W | 85 | -11 |
| Tower Glass Inc. | 55 | +30 |
| Karas & Karas | 48.7 | +125 |
| National Enclosure Co. LLC | 45.1 | NA |
| Gamma Windows & Walls International Inc. | 35.7 | NA |
| Haley Greer Inc. | 35 | NA |
| Alliance Glazing Technologies | 31.1 | NA |
Earlier this year USGlass magazine also released its list of the industry’s top contract glaziers. A number of the same companies, including Harmon Inc., Enclos, Walters & Wolf, W&W and Gamma, were listed in the top ten on both lists.
According to the ENR report, the specialty contractor industry represents a significant part of the overall contract glazing industry. The report noted the top 600 saw combined revenues of $81.33 billion in 2012, up 12.7 percent from $72.14 billion in 2011.
