AddVenture Products is the creator and patent holder of numerous designs and processes and is internationally known as the or ... iginator of the CompressT (T shirts compressed into thousands of custom shapes) AddVenture Products is a leading supplier and manufacturer of innovative apparel and promotional products to distributors and marketing agencies worldwide. With a product line that includes Eco friendly products, LogoWeld and a full range of Custom Magnets and Variable Data Printing AddVenture leads the industry in Return On Investment (ROI) advertising. read more