Plesh Contract Packaging (PCP) is a full-service contract manufacturing and packaging company based in Buffalo, New York. Established in 2010, the company specializes in the development, blending, filling, and packaging of complex and hard-to-handle formulations, including oil- and water-based liquids, waxes, pastes, powders, and slurries. With over 1,600 base formulations and a team boasting more than 300 years of combined industry experience, Plesh offers tailored solutions for industries such as automotive, industrial, commercial, and consumer products. Plesh's core services encompass product development, private labeling, art and printing, mixing and filling, and comprehensive fulfillment solutions. The company operates an in-house laboratory staffed with experienced chemists and engineers who assist clients in creating new formulas or reverse-engineering existing products. This capability enables Plesh to handle products that require controlled cooling, complex ingredient sequencing, and long-duration blending under strict controls.

In 2018, Plesh invested $7 million to renovate its manufacturing plant on Buffalo’s East Side, adjacent to the Northland Workforce Training Center, as part of efforts to expand operations and retain local jobs. The company serves a diverse clientele, including brand marketers and private labelers, offering services ranging from prototype runs to full-scale production. Plesh's commitment to quality, fast delivery, and competitive pricing positions it as a reliable partner for businesses seeking efficient and customized contract packaging solutions