Central Tarp & Awning: Manufacturer of roll tarps and chipnets for the woodchip hauling industry. Also manufacturing portable garages, custom covers and curtains, and heavy duty bungees.

Waterloo Tent & Tarp Company, Inc.: Amusement industry suppliers and manufacturers.

A/C Covers: Offers custom made, vinyl air conditioner covers for winter or off-season condenser protection.

ECPS Poly Shelters: Economical instant storage and utility buildings. Wide, round, pony wall, greenhouse, canopy, camouflage, house, and other styles.

Poly-tech Radiant: Manufacturer and supplier of Ayr-Foil high performance reflective, radiant, and vapor foil insulation barrier. Poly-tech Radiant also produces aluminum foil and vinyl tape.

Sunshine Covers: Worldwide distributor of patio covers and solariums.

Cal Poly Architecture Department: The department offers course information for B.Architecture, masters and various off campus student programs.

Poly Classic Architectural Columns: Manufacturer of high quality architectural columns, capitals, and bases.

Register Covers Direct: Sells heavy duty solid brass, steel, stainless, and hardwood register covers.

Kover-it Patio Furniture Covers: Offers garden and patio furniture covers, retractable awnings, canopies, tarpaulins, car and boat covers, and more.