Gregory T. Barnum

Datalink Corp. provides information technology (IT) services and solutions that help organizations transform technology, operations, and service delivery to meet business challenges. The company was founded by Al Hawkins in 1987 and is headquartered in Eden Prairie, MN.

Willdan Energy Co. engages in the provision of utilities with customer relationship services. The firm provides energy efficiency for small business customers and designs and implements direct install programs for its utility clients. It engages in energy efficiency services which include program design, program management, marketing and customer recruitment, auditing and installation of energy conservation measures for small business customers of utilities or public utility commissions. The company was founded on December 5, 1997 and is headquartered in Newark, NJ.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

Cray Computer Corp. manufactures digital computers. The private company is based in Colorado Springs, CO.