A Z Invest LLC

Established in 1978, Wetherill Associates is one of the largest auto electric products suppliers. Also known as WAI, the company has more than 1,000 employees and an over 224,000-square-foot facility. It sells a wide variety of products that include rectifiers, regulators, brushes, bushings, starter drives and solenoids. The other products offered by the company include stators, rotors, end frames, small components, field coils and armatures. Wetherill Associates sells various types of alternators and starters for heavy-duty trucks, motorcycles, small engines and marine applications. It operates more than 15 distribution facilities throughout the United States. Wetherill Associates is ISO 9001:2001-certified and is located in Royersford, Pa.

VSE Corporation, established in 1959, is a broadly-diversified company focused on creating, sustaining, and improving the systems, equipment and processes of government through core competencies in legacy systems sustainment, obsolescence management, prototyping, reverse engineering, technology insertion, supply chain management, foreign military sales, management consulting and process improvement. Its expanded mission includes providing innovative services and technologies to help its customers succeed in the engineering, energy, environment, information technology and defense services markets. The company s principal clients are agencies of the Federal Government, particularly the Department of Defense. VSE is proud to be one of the Top 100 Defense Contractors in the world. Its nationwide network of local offices provides access to a spectrum of corporate resources and services in diversified engineering, logistics, management and information technology disciplines. It trades on NASDAQ under the symbol VSEC. The company is headquartered in Alexandria, Va.