David Faas and his wife, Connie, began Davco Welding Ltd. as a small welding business in Wainwright, Alberta, Canada, in 1981. Now, a turnkey operation for oil field companies, Davco builds fabricated, modular components or “mods” on its 32-acre site in Wainwright, before transporting the mods to oil refineries, where they are used to update existing oil terminal and pipeline facilities.