Interstate Batteries

Founded in 1993, Variosystems is one of the largest privately owned electronics, engineering and manufacturing service companies throughout the world. It offers engineering and systems integration solutions. The company has a staff of over 500 employees and offers supply chain solutions through its various facilities around the world. Variosystems supports hardware and software design, prototyping and logistics planning. It serves the telecommunications, medical and aerospace industries. The company offers a range of potting materials for manual and automated dispensing. Additionally, it specializes in the application of Humiseal and Dymax coatings through computer-controlled programs. Variosystems is located in Southlake, Texas.

Founded in 1971, TTI is one of the leading distributors of passive, electromechanical and discrete components in the world. It serves several clients in the industrial, military, aerospace and consumer electronic markets. The company maintains a staff of more than 2,000 employees and operates over 50 locations throughout North America, Europe and Asia. TTI offers a variety of resistors, capacitors, connectors, potentiometers, trimmers, and magnetic and circuit protection components. It also provides electromechanical devices, application tools, and wire and cable products. The company has achieved ISO 9001:2000 certification. TTI offers supply chain management, packaging, labeling and marking services. It provides products from various manufacturers, such as Carling Technologies, Murata Manufacturing Company and Glenair. The company is a part of Berkshire Hathaway.