Flexmaster U. S. A., Inc.
Houston, Texas Flexmaster U. S. A., Inc. produces door, sheet metal fittings and accessories. We supply flexible ducts, acoustical ducts, sheet-metal fittings, access doors, low leakage access doors and accessories for both commercial & residential applications. More...
www.flexmasterusa.com

C.A. Schroeder, Inc.
San Fernando, California C.A. Schroeder, Inc. manufactures spiral pipe, molded round duct liner, flexible aluminum duct, hinged face diffuser and collars. Our spiral pipe is manufactured from commercial grade G90/G60 galvanized coating. These pipes are available in diameters from 4" through 66". These pipes are ideally suit More...
www.cal-flex.com