Founded in 1977, Tramont Manufacturing LLC. is the largest and most experienced manufacturer of UL Listed diesel fuel day tanks and sub base tanks for industrial engine-generators. We are also the nation’s leading supplier to the Original Equipment Manufacturers (OEMs). Our product line includes steel, galvaneal and aluminum weather-protected and sound-insulated gen-set enclosures, fuel tank trailers and full packaging capabilities. We also offer a complete selection of electrical, mechanical and plumbing accessories for our products.