Rubenstein Supply Company is a wholesale distributor of plumbing, heating and sheet metal products based in the San Francisco Bay Area, with four locations across Oakland, San Pablo, San Rafael and San Jose. Operating since 1943, the company offers online ordering, a showroom with working displays of products like showers, tubs and saunas, and regular in-branch events. They focus on customer service and reliability for trade customers in the construction and plumbing industries. Refer them customers who need wholesale plumbing or heating supplies, or pass their customers on to retailers if they need retail-level service instead.