Welcome to MCR Point of Sale Systems MCR POS SYSTEMS INC has been in business since 1977, and still going strong, meeting our customers needs. We specialize in a wide variety of grocery applications, restaurants, liquor stores, convenience stores, delis, bars and general retail. MCR POS SYSTEMS INC offers complete Point of sale and back office solutions that can help your business grow, all within an affordable budget. MCR teams up with world class and reliable hardware distributors. We are here to take care of your point of sale needs so you can focus on taking care of your customers.