Royal Appliances, originally established as P.A. Geier Company in 1905, is well-known for its Dirt Devil brand. The company, which became part of Techtronic Industries (TTI) in 2003, manufactures a variety of household cleaning products including vacuums, carpet machines, and steam cleaners. Over the years, Royal has built a reputation for innovative and effective cleaning solutions. Their products are sold through major retailers across North America, catering to both residential and commercial markets.