Background/Operations LSP is owned by NCH Corporation (NCH), a privately (family) owned corporation based in Irving, Texas. NCH has been owned by the same family and headquartered in Irving for over 90 years which provide......Background/Operations LSP is owned by NCH Corporation (NCH), a privately (family) owned corporation based in Irving, Texas. NCH has been owned by the same family and headquartered in Irving for over 90 years which provides significant stability and longevity to LSP. LSP 100% owns and operates two manufacturing facilities located in Carson City, Nevada and Hainan, China. LSP also has two distribution centers located in Carson City, Nevada (servicing the West/Rockies) and Dallas, Texas (servicing the Central and Eastern U.S.) plus a number of satellite warehouses providing local inventory. Company Today While plumbing practices and products have changed over the last 40 years, LSPs focus on designing and manufacturing innovative products remains steadfast. LSP concentrates its efforts on making a plumbers job simpler, easier and faster. Our products not only reduce installation time and labor, but are also built to the highest quality standards and come with unmatched customer support and service.