About Us


An Established Supplier of Electrical Connectors

When looking for a dependable source of electrical connectors, turn to TSII Inc in Struthers, OH. We manufacture and provide top-grade components for your electrical needs.

A Brief History of Our Company

TSII Inc started supplying solenoid connectors and other electrical accessories to fluid power distributors in 1988. Because of our excellent products, outstanding customer service, and competitive prices, our clients have come to rely on us for their electrical connector requirements.



We can provide a same-day shipping option for stock items if you order before 12 PM. You can order just what you need as we do not require a minimum bill.

Other Services

We can fabricate made-to-order wiring assemblies. Whether it’s a CAD drawing or a simple sketch, our team can take care of it.

Reach Out to Us

Our courteous and friendly sales staff are ready to assist you. Contact us today if you have any questions.