Columbia Aluminum Products, LLC

Since 1947, Columbia Aluminum Products has been dedicated to developing, manufacturing and distributing weatherstrip products to the building industry. These products incorporate the finest quality materials and have been designed for quick and easy installation. S&M Marketing supports Columbia Aluminum Products in northern California, northern Nevada, and Hawaii.

Iron Lock Imports

Iron Lock Imports supplies residential handle sets, with both mortise locks and spring latches, decorative levers, house numbers, and miscellaneous decorative hardware items.

The Penrod Company
(Metal Products Group)

Penrod has a large selection of hinge and hardware products for residential and commercial applications is available in a variety of finishes. S&M Marketing supports their decorative, residential, and commercial hinges, plus their general hardware products in northern California, northern Nevada, and Hawaii.

Rockwell Security

Rockwell Security manufactures decorative residential door locks and hardware.