Profile: The Westerman Cos. is a producer of oil and gas products. We fabricate a variety of tanks and pressure vessels for applications. Our atmospheric tanks are used for agriculture, liquid & solid chemicals, petrochemicals, water and wastewater applications. Our products are fabricated from carbon steel, stainless steel, alloy metals and aluminum. We also manufacture containers, piping, ladders, walkways, cages, platforms, railings and custom structures.