Companies

• Historical Arts & Casting, Inc.

• Horton Automatic Doors

• Humphrey Products

• Humphrey Products

• Hurd Windows and Doors

• Hy-Lite Block Windows

• IBP Glass Block Grid System

• Innovative Building Products

• International Aluminum

• International Window Corp.

• J. G. Braun Co.

• J. Sussman, Inc.

• JELD-WEN, inc.

• Jasco Window Corp.

• Jem Products Co., Inc.

• Jones Paint & Glass, Inc.

• Jordan Panel Systems Corp.

• Joyce Mfg. Co.

• Kansas Aluminum Inc.

• Karey Kassl Corp

• Kasson & Keller, Inc.

• Krieger Specialty Products

• Laurence: C.R. Laurence Co.

• Lincoln Wood Products, Inc.

• Linford Brothers Glass Co.

• Litex