Headquartered in City of Industry, CA, and locations in Arizona, Nevada and Southern California locations--City of Industry a ... nd San Diego--Elmco Stewart is a manufacturer representative for specification-oriented commercial plumbing, mechanical and industrial products. Our customers include end users, engineers, wholesalers and contractors. Elmco Stewart represents world-renowned quality plumbing manufacturers. Currently, we represent a variety of product lines of world-renowned quality plumbing manufacturers. Whether the need is for access panels, trench drains or drinking fountains, Elmco Stewart has top quality brands. With warehouse and office space in City of Industry, Las Vegas and Phoenix Elmco Stewart carries a complete stock of all product lines, all of which are readily available. A customer-driven company, in business for more than 65 years and has represented the majority of its manufacturers since inception. read more