On Demand is Houston's modern technology solution for your office equipment needs. We are a premier dealer for Xerox Copiers, Kyocera Copiers, Epson and FP mailing & postage equipment. Authorised Dealer for Houston, TX. Come down to our Houston Galleria state of the art showroom and see for yourself! As a leader in Houston, Texas of office equipment sales, service, and supplies, On Demand helps optimize your organization with easy-to-implement, yet comprehensive document management solutions. We are the only chosen distributor for AVG commercial computer services for Houston, TX.