San Joaquin Valley San Luis Canal Company Serving the west side of the San Joaquine Valley including Los Banos, Dos Palos, Merced County You are buying a NEW 100th anniversary metal sign from the San Luis Canal Company established in 1913. This company is one of the major canal companies involved with the development of the west side of the San Joaquin Valley. Powered by eCRATER . List your items fast and easy and manage your active items.