Wilco Machine & Fab, Inc. - Manufacturer of machined and fabricated metal products and equipment for the oil and gas service industry. Products include ASME pressure vessels, bulk storage and conveying equipment. TS Tanksystem SA - Gauging and sampling equipment for storage tanks and marine vessels. Ball valves. Temperature gauges. Tanco Engineering, Inc. - Engineering, design and construction of tanks, with renovation services, installation and supplies. Commercial Welding Co. - Manufacturers of above ground steel storage tanks. Ace Tank & Equipment Co. - Manufactures and distributes petroleum storage tanks and petroleum handling equipment. Oreco A/S - Systems for automated cleaning of oil storage tanks. Desludging, cleaning and hydrocarbon recovery using environmentally friendly processes. Trans-Tainer Pty Ltd. - Transportable intermediate bulk containers of stainless and carbon steel. Operating in Australia.