Top 4 Plastics & Packaging Manufacturers in Delaware 2026

Thermoplastic Processes

Georgetown, Delaware

Thermoplastic Processes was founded in 1951 in Georgetown, Delaware. The company manufactures a broad line of plastic tubing, rods, pipe, and profiles through extrusion and fabrication processes.

Eco Plastic Products of Delaware

Wilmington, Delaware

Eco Plastic Products of Delaware operates from Wilmington, Delaware, where it collects and recycles plastic waste into durable outdoor products. The organization’s founding year and ownership structure are not publicly disclosed.

Mid Atlantic Packaging Co

Dover, Delaware

Mid Atlantic Packaging Co operates from Dover, Delaware. The company has served the wholesale packaging market for more than 40 years, though it does not publish a precise founding date or identify its founders.

MoldingMart

Dover, Delaware21 employees

Founded in 2020, MoldingMart is headquartered in Dover, Delaware, with additional operations in Turkey and the United States. The company produces a range of premium moldings including wall moldings, baseboards, crown moldings, TV units, mirrors, board-and-batten systems, and classical designs.