Holcomb Environmental Oil Services LLC (HEOS) has been in business since 1973. Our company is based on 35 years of petroleum and chemical product awareness and skill. We are pleased to inform you that we have served the community well. We are functional members in several organizations affiliated with the city of Houston. Here at Holcomb Environmental Oil Services LLC, we are a certified and permitted transporter and recycler of used oil, filters, and engine coolant operating in full compliance with all applicable federal, state and local laws. Call us today for more information.