Peterson Strobe Tuners

Tekno Telecom develops and manufactures network monitoring and billing solutions for wireline, wireless and next-generation carriers on a worldwide basis. The company, which was established in 1968 in the telecommunications sector, has installed more than 10,000 systems throughout the world. Migrating from call accounting systems to traffic management solutions to call completion systems, Tekno has been a pillar of telecom network management, maintenance and revenue assurance solutions, and focuses on high-return-on-investment systems for wireline and wireless carriers. The company s strength is generated from its engineering expertise. Tekno has consistently brought to market advanced and accurate products. In addition, the engineering team has generated numerous patents, which allows the company to offer systems that are necessary for today s carriers to know what is occurring in their networks, enabling them to solve problems and collect revenues.

Grayhill is a leading designer and manufacturer of DIP, tact, pushbutton, rotary and encoder switches, keyboards, keypads and front panels, I/O modules, control systems, and wireless products. The privately held firm was started in 1943 to manufacture miniature precision components for the electronics industry. The company produces high quality components for commercial, industrial and military markets. In addition to engineering and manufacturing, Grayhill sells internationally through independent local manufacturers' representatives and a network of local, regional, and national stocking component distributors for switch products and industrial distributors for industrial control products. The company employs 600 people in its four worldwide locations LaGrange and Carpentersville, Ill., Iola, Wis., and Shenzhen, China.

Founded in 1946, Switchcraft is a manufacturing company that provides a range of connectors, jacks, plugs, molded cable assemblies and switches throughout the United States. It offers molding, stamping, plating, machining and assembly services. The company also meets the demands of Semko, Demko and Nemko agencies. Switchcraft provides products under the Q-G, StudioPatch and Dual-Jax series. In addition, it serves clients in the medical, process control, transportation, homeland security and broadcast industries. The company operates a subsidiary, Conxall. Switchcraft also has a more than 180,000-square-foot facility in Chicago. It has achieved ISO 9001 certification. Additionally, the company has a network of distributors in Canada, China, Germany, India and Turkey.