SPS Companies, formerly known as Suburban Plumbing Supply Company, is a full-service supplier of products and services for residential and commercial plumbing applications. Operational since 1951, the company offers customer inventory support and warehousing services. The company provides a variety of financing options through third-party lending institutions. SPS Companies vendors include Canfield Technologies, Alsons Corporation, Elkay Manufacturing Company and Dwyer Instruments. Its corporate facility features a warehouse that covers an area of more than 90,000 square feet. The company offers fabrication services through Pipe Fabricators for clients in the fire protection, plumbing and mechanical industries. SPS Companies operates a plumbing showroom, Minnesota Standard Showplace.