Jeff Blumberg

Thunderbolt Group LLC provides online marketing and advertising services. Its services include advertising products, pricing consulting, online distribution and web campaign management. The company was founded by Jeff Blumberg and is headquartered in Denver, CO.

Zweig White LLC provides business information services. It offers research, publishing, and consulting solutions to architecture, engineering and environmental consulting industries. The firm provides strategic planning, mergers & acquisitions, marketing and business development, executive search consulting, ownership transition, board of director services and valuation services. The company was founded by Mark C. Zweig in 1988 and is headquartered in Fayetteville, AR.

Part of Warner Bros. The company is based in New York, NY. Discovery, Inc., CASS Communications, Inc. operates an advertising agency and publishes newspapers. CASS Communications was acquired by Alloy, Inc. on August 02, 2001 for $48.64 million.