Dualco, Inc. is a manufacturing company headquartered in Houston, TX that specializes in producing lubrication devices and related products. The company offers a wide range of products, including Hydraulic Grease Guns, Push Type Utility Grease Guns, Squeeze Tube Grease Gun lines, Fitting Adapters and Service Tools, Button Head Couplers, Special Fittings, and Accessories. Dualco, Inc. also has a presence in the United States and Sterling, Virginia, and