Yoichi Sugiyama

Part of DPG Holdings, Inc., Prime Construct KK engages in building maintenance services. The company is based in Tokyo, Japan. Prime Construct KK was acquired by DPG Holdings, Inc. on May 12, 2009 for $0.12 million.

DPG Holdings Inc. manages its subsidiaries which are in the database distribution and Internet business. It operates through the following segments: Corporate Information, Extensible Markup Language (XML), Consumer, and Systems. The Corporate Information segment provides corporate information, bankruptcy probability analysis, credit risk analysis table, and indications information primarily through the Internet. The XML segment offers XML document management system in the medical industry. The Consumer segment promotes bio-diesel refinery. The Systems segment includes data conversion and processing, embedded software development, and performance-based advertising management. The company was founded on June 18, 1998 and is headquartered in Tokyo, Japan.