Universal Technologies LLC  founded in 2007 and based in Jasper, offers a variety of solutions for the architecture and design community focusing on resins, glass, metal, lighting and other specialized products.

Tube Forming Systems was established in 1968, is a tooling and equipment supplier to the formed tube industry.

Triton Metal Products Inc., a precision metal manufacturer and supplier of OEM parts for various industries.

Trinity Guardion LLC  based in Batesville and founded in 2010, manufactures a launderable micro-barrier for hospital mattresses.

Tri-Pac Inc. based in South Bend, provides contract development and manufacturing services for aerosol, liquid, tubes and specialty-packaged products.

TouchTronics Inc. is a custom electronics manufacturer, including proprietary remote controls and custom controllers for the RV, commercial trucking, marine and public safety industries.

Telamon Corporation a minority-owned company based in Carmel since 1985, primarily designs, builds and installs telecommunication networks enabling connectivity.

TBK America Corporation a Japan-based international company with a manufacturing facility in Richmond, manufactures and markets water pumps and oil pumps.

Super ATV, a family-owned and rapidly growing manufacturer of aftermarket utility task and all-terrain vehicle parts and accessories.

Standard Integrated Solutions Inc. based in Winamac and founded in 2004, offers a full line of industrial equipment, supplies, services and products essential to the industrial environment.

Spencer Industries Incorporated founded in 1981 and headquartered in Dale, is a vertically integrated, plastic theremoformer with in-house extrusion, serving several markets including medical, agricultural, transportation and industrial.