Plas-Tech Engineering

Plas-Tech Engineering is a full-scale medical device manufacturer providing end-to-end support from early development to production. Plas-Tech Engineering is now part of H&T Presspart, a market-leading manufacturer of drug delivery devices and components. With 35+ years of experience, Plas-Tech has grown from precision moulding into a vertically-integrated partner offering concept development, prototyping and tooling, injection moulding, assembly, and validations for both low- and high-volume needs. The company has been recognized as a leading injection moulder having won Wisconsin Manufacturer of the Year in 2024, and was acknowledged as a Top Shop by Plastics Technology in 2025. Plas-Tech’s Equinox brand delivers proprietary pre-fillable syringes engineered for evolving needs in drug delivery, combining advanced materials and customizable features for biologics and high-viscosity formulations.