National Spencer, now ZeeLine by Milton™, is an American company specializing in fluid management equipment for Automotive, Commercial, Heavy Duty, and Industrial markets. Their products include oil, grease, fuel, and chemical equipment operated with air and hand pumping. With a focus on innovation and customer service, they cater to various industries such as automotive quick lubes, dealerships, fleets, agriculture, trucking, municipalities, railroad, marine, industrial, and mining. National Spencer has a reputation for providing high-quality solutions and exceptional customer service, supported by a technical team in Wichita, Kansas, and a distribution center in Spencer, Iowa.