Supremex, Inc. engages in the manufacture and sale of envelopes, packaging, and specialty products. It operates through the following segments: Envelope and Packaging & Specialty Products. The Envelope segment manufactures a range of stock and custom envelopes in an array of styles, shapes, and colors, which allows it to offer products that are designed to the specifications of major national and multinational corporations, resellers, government entities, SMEs, and solutions providers. The Packaging & Specialty Products segment manufactures and distributes a range of paper-based packaging solutions and specialty products, including folding carton packaging, e-commerce solutions, corrugated boxes, and labels. The company was founded in April 1977 and is headquartered in LaSalle, Canada.