DMES, Inc. - Diversified Medical Equipment & Supplies DMES, Inc. provides medical equipment and supplies (sales and rentals) to long-term care communities, home care professionals, and independent residents. Based in California with offices in Huntington Beach and Stockton, DMES, Inc. is a leading source for facilities and individuals needing durable medical equipment (i.e., wheelchairs, hospital beds), enteral feeding, incontinence care, and has recently expanded to provide a variety of medical equipment and supplies online.