SPS Companies service centers are strategically located throughout the Midwest to service our customers' needs. On-time deliv ... ery and our unmatched size and depth of inventories are two major factors that separate us from our competition. Now extended throughout the Midwest, our services include four full-service warehouses; cut-to-length flat roll and temper operations; a tube and pipe manufacturing facility at EXLTUBE; Galvanized distribution with TubularUSA; and two comprehensive processing facilities. read more