Gretna Machine Shop is an ISO-certified, women- and minority-owned lean manufacturing facility located in the heart of Houston’s industrial corridor. Since 1981, Gretna has offered its customers outstanding service and quality work in precision components for the oil and gas industry and beyond. With the capability to serve the energy, aerospace and government sectors, Gretna prides itself on being the machine shop of choice for a number of multinational and Fortune 500 companies.  Whether you need a reliable supplier who can machine a prototype, or you are looking for a shop that can handle the high volume of production runs, Gretna is your turnkey, lean manufacturing facility that will deliver your product on-time with the specifications you require.  Built on traditional values and still family-owned, Gretna has grown into a modern, first-class machine shop. We have of team of more than 50 employees operating in a 50,000-quare-foot, state-of-the-art, fully air-conditioned facility.