All of our service technicians are trained, certified and experienced. We work on all major petroleum equipment lines. All of our service vehicles are fully stocked to meet your needs. United has over fifty years providing the best in service to the petroleum industry. You can rest assured that whatever the problem our technicians will resolve the matter timely and efficiently. United provides service on the following lines and more. Wayne, Gilbarco, Veeder-Root, OPW, Incon, F.E. Petro, Red Jacket, VeriFone, Gasboy, Fill-Rite, Radiant Systems, Allied Electronics Petro-Vend  etc.


United offers complete installation services. We use only state of the art petroleum equipment and can assist you in design, permitting and EPA compliance. All of our construction personnel are trained and certified by the manufacturers for the equipment we install and are OSHA 40 hr trained. Safety is extremely important in todays litigious environment. With United Petroleum Service you are assured your project will be done on-time, on-budget and safely! To discuss your next project please contact Paul Gismegian for Missouri or Harvey Stokes for Illinois or call 314-241-3767

Compliance Services

United offers the following service to assist you in all your compliance and operational needs.


Tank Cleaning

Cathodic Protection Testing, Design and Installation

Water Pumping/Removal

Tank Testing

Line/Leak Detector Testing

Yearly Functionality Testing for Electronic Leak Detection

Vapor Recovery Testing

Tank Removal

Missouri UST Inspection Repairs

Illinois OSFM Inspection Repairs

Service Parts/Inside Sales

United Petroleum Service is a stocking distributor for many petroleum equipment manufacturers. Our knowledgeable counter sales personnel can assist you with any parts you might need from state of the art color touch screen dispenser displays to antique pump restoration parts! We also offer delivery on parts orders. Contact Virgil Yowell for your parts needs. or call 314-241-3767.