Welcome to TWI Oilfield Fabrication ASME {U} Stamp and National Board {R} Stamp Certified Facility TWI Oilfield Fabrication is your equipment manufacturing headquarters for the Oil and Gas Industry. Whether you are in the market for pressure vessels, sand separator, heater treater, flare trailers or drilling equipment we at TWI are fully equipped to handle your needs. When purchasing production equipment, oil drilling equipment or completions equipment, peace of mind is more important than one realizes. All of our high efficiency flare trailers are quad o and are CFR 60.18 compliant. One must be certified to fabricate a line heater, heater treater, expansion tank and or gas buster. Many companies these days are willing to sacrifice integrity, stepping over a nickel to save a penny. Durability Costs Less… we say that, but what does that really mean? We inject quality and integrity all throughout the entire piece of equipment. We cannot take that risk