KMM AD manufactures and sells pressure vessels and equipment made of carbon and stainless steel, metal structures, and other custom-made articles for marine and industrial machine-building. It offers combustion chambers and devices; marine loading devices; tanks; dryer vessels and dryer units for inert gas systems; filters-separator; auxiliary steam and hot water boilers; exhaust-gas boilers; steam receivers; coolers; vacuum less condensers; preheaters for oil products; sea water preheaters; boilers for fresh water heating; heat exchangers; hydrophores for fresh and sea water; compressed air bottles; spark arresters; noise killers with spark arresters; coarse filters, angular with lower supply of fluid; coarse filters straight-run and angular; medium filters; medium and fine filters straight-run and angular; double medium filters for oil products; double fine filters for lub, oils, and fuel oils; medium filter for heavy fuels; air-foam apparatus; and other products. KMM AD was founded in 1968 and is headquartered in Shumen, Bulgaria.