CURTIS-TOLEDO, Inc. has been designing and manufacturing solutions for industry. The FS-Curtis Air Compressors brand continues to be the symbol of quality and excellence in the design and manufacture of air compressors. Our brand names include MasterLine Series Reciprocating Compressors, ChallengeAir Series Reciprocating Compressors, RS Series Rotary Compressors, SE Series Rotary Compressors, AF Series Variable Speed Rotary Compressors and Toledo Tools.