$30 million to $40 million

June 3, 2011
COMMERCIAL
Children’s Hospital of Los Angeles
 Children's Hospital of Los Angeles

14. Tower Glass Inc.


Previous year rank:
20
Sales: Up 12 percent between 2009 and 2010
Headquarters: Santee, Calif.
Website: www.towerglass.com
Employees: 165

Tower Glass Inc. is a specialty contractor performing design, engineering, fabrication and assembly of building envelope components. The company focuses primarily on new construction with curtain wall, storefront, roof glazing, as well as interior applications. It has two locations, in Santee, Calif., and Simi Valley, Calif. In 2010, Tower Glass completed Children's Hospital, Los Angeles; Summit Rancho Bernardo office building, Rancho Bernardo, Calif.; and Rady Children's Hospital, San Diego.

15/16. CBO Glass

Dulles Airport, main terminal, walkways and elevators, Chantilly, Va.
Dulles Airport, main terminal, walkways and elevators, Chantilly, Va.
Photo by EyeConstruction, McLean, Va. 

Previous year rank: 12
Sales: Down 5 percent between 2009 and 2010
Headquarters: Alden, N.Y.
Website: www.cboglass.com
Employees: 200
Locations opened in 2010: 1, Raleigh, N.C., with 25 employees

CBO Glass is a full-service glazing contractor serving the Northeast and Mid-Atlantic states, with locations in Alden, N.Y.; Alexandria, Va.; Buffalo, N.Y.; and Raleigh, N.C. The company designs, fabricates and installs unitized curtain wall systems, pre-glazed punched windows and blast-resistant systems. The company has a 230,000-squarefoot fabrication facility and a testing chamber for product quality assurance. Major projects in 2010 include the Dulles Airport Main Terminal in Chantilly, Va., winner of the ENR Transportation Project of the year.

15/16. SPS Corp.

NASCAR Hall of Fame, Charlotte, N.C.
NASCAR Hall of Fame, Charlotte, N.C. 

Previous year rank: 19
Sales: Down 10 percent between 2009 and 2010
Headquarters: Apex, N.C.
Website: www.spscorporation.com
Employees: 151

SPS is a full-service curtain wall contractor that offers in-house engineering, fabrication and installation. The company has three locations: Apex, N.C.; Fort Wayne, Ind.; and Indianapolis, Ind. Last year, SPS completed the Virginia Tech Carillion School of Medicine project, Blacksburg, Va., including aluminum storefront and curtain wall, glass and glazing, sunshades; Siemens Medical Building project, Cary, N.C., including curtain wall and horizontal sunshades; NASCAR Hall of Fame project, Charlotte, N.C., including curtain wall and skylights; and the NCSU Engineering Building III project, Raleigh, N.C., including curtain wall, sunshades and windows.

Russia Wharf mixed-use high-rise building, Boston
Russia Wharf mixed-use high-rise building, Boston 

17. Karas & Karas Glass Co.

Previous year rank: 16
Sales: Down 34 percent between 2009 and 2010
Headquarters: Boston
Website: www.karasglass.com
Employees: 82

Karas & Karas Glass Co. provides and installs building envelope components such as glass, metal, granite, composite panels, louvers, entrances, structural glass systems and skylights. In 2010, the company completed the Russia Wharf Development project in Boston that required aluminum-glazed curtain wall, metal panel systems, all glass entrances and aluminum storefront, metal-framed skylights, glass and steel canopies, and louvers.

18. Giroux Glass Inc.

Glass enclosures and glass cable walls at Aria Podium, CityCenter, Las Vegas
Glass enclosures and glass cable walls at Aria Podium, CityCenter, Las Vegas 

Previous year rank: 9
Sales: Down 56 percent between 2009 and 2010
Headquarters: Los Angeles
Website: www.girouxglass.com
Employees: 111
Locations opened in 2010: One in Fresno, Calif., with 1 employee

Giroux Glass is an employee owned glass, glazing and architectural metals contracting company with operations in Los Angeles, Las Vegas, San Bernardino, Calif., and Fresno, Calif. The company caters to the glazing needs of the commercial, retail, and design residential sectors. Founded in 1946, Giroux originally operated as a family-owned business and catered to the glass needs of the Los Angeles area. It has grown since, and has completed notable projects including the Skywalk at the Grand Canyon and the CityCenter in Las Vegas.