iMD Companies, Inc. is a holding company which, through its subsidiaries, manufactures, markets, and distributes equipment for the hydroponics industry. It also develops and manufactures environmental controllers. iMD Companies, Inc. was formerly known as R-Quest Hydroponics, Inc. and changed its name to iMD Companies, Inc. in January 2014. iMD Companies, Inc. was founded in 1993 and is based in Rancho Cordova, California.