Located in Erie, Pennsylvania, CPS/Keystone is a completely vertically integrated manufacturer selling exclusively to promoti ... onal products distributors. Founded in 1993, CPS has solidified its niche as a “value” supplier specializing in traditional commodity type promotional products. With over 300 items in the line, CPS is recognized for delivering excellent value in price and quality, while providing the highest level of service. From water bottles to key tags, travel mugs to fun items, tote bags to bandage dispensers- if you need it, CPS/Keystone has it! read more