• Barnes Canada

• Belco Mfg. Co.

• Bow Plumbing Systems

• C. H. Hanson Co.

• CID Associates

• CIM Industries Inc.

• CMS Industries

• Caldwell Tanks, Inc.

• Canvas Specialty

• Cardinal Glass Industries

• Carr Concrete Corp.

• Cemline Corp.

• Chem-Tainer Industries

• Chicago Bridge & Iron Co.

• Cla-Val Co.

• Composite Structures, Inc.

• Con Vault Florida

• Conservatek Industries

• Construction Design Technologies

• Containment Solutions, Inc.

• Copeland Corporation

• Corbel Design, Inc.

• Corrosion Restoration Technologies

• Culligan of Canada Ltd.

• Dahl Brothers (Canada) Ltd.

• DeHart