Formed in 1980, Gretna Machine Shop Inc. specializes in providing all the precision machine works. Based in Houston, Texas, the firm offers a range of services, such as swing, tool changer, spindle internal taper, max turning diameter, swing over saddle, main spindle drive motor and more. Gretna Machine shop Inc. provides choice for many high-end global petroleum corporations. Gretna Machine Shop Inc. is ISO certified and holds high scores through successful implementation of a management system.