Tel: 918.446.4406 Fax: 918.445.2857 Physical Address: 6312 South 39th West Ave Tulsa, OK 74132 Click Here for a detailed map and directions to our facility. Mailing Address P.O. Box 571330 Tulsa, OK 74157-1330 Key Contacts: Sales & General Information info@smithco-eng.com Parts & Service parts@smithco-eng.com