Theo G. G. Bouwman

Nijgh Periodieken BV publishes business-to-business information. The firm provides services in the fields of communication, finance and water and wood. It offers periodicals and handbooks, news letters, conferences, and online-edition information. The company was founded in 1970 and is headquartered in Den Haag, the Netherlands.

Weekbladpers Group is a Dutch company that specializes in publishing and printing books. The private company is based in Amsterdam, Netherlands and it has subsidiaries in Belgium.

Sanoma Magazines International BV publishes magazines and digital media. It also operates in Belgium, Bulgaria, Croatia, the Czech Republic, Finland, and Hungary. Sanoma Magazines International was founded in 1992 and is headquartered in Amsterdam, the Netherlands.

TNC (US) Holdings, Inc. provides electronic media and information marketing services. It offers magazines, online services, newswire feeds, database management systems, directories, trade shows, executive conferences and awards programs. The company also provides marketing intelligence, data tools and enhancement systems & solutions. The company is located in Pittsburgh, PA.

PCM Uitgevers BV provides publishing services. It publishes daily newspapers, educational publications including dictionaries, general fiction, fantasy, Dutch language software for children & adults, travel guides and trade books. The firm operates business through its subsidiaries. The company was founded in December 1995 and is headquartered in Amsterdam, the Netherlands.