G. Boon was founded in 1873 as a carpentry shop in Amsterdam. In 1970 the family business moved from Amsterdam to Edam and the company changed name to Boon Edam. Boon Edam supplied its first revolving door over 100 years ......G. Boon was founded in 1873 as a carpentry shop in Amsterdam. In 1970 the family business moved from Amsterdam to Edam and the company changed name to Boon Edam. Boon Edam supplied its first revolving door over 100 years ago. Since then the Group has become the acknowledged world market leader in revolving doors. But we do more than that. Our core business nowadays focuses on Door Systems, Security Access and Advanced Door Care. In the last decades of the 20th century we have built our worldwide distribution network, resulting in: subsidiary companies in 15 countries factories in China, The Netherlands and the USA authorized distributors in over 40 other countries Royal Boon Edam In January 2004 we were granted the right to use the name Royal Boon Edam. This award crowned the company抯 130th anniversary and the 100th year of revolving door production. With over a century of experience and satisfied customers worldwide, we have proven to be a solid and reliable partner in entrance technology. Boon Edam Inc. In April of 2005, Royal Boon Edam Group acquired Tomsed Corporation, the largest manufacturer of security entrance turnstiles and barriers in the U.S. The North American operations were merged together to form Boon Edam Tomsed Inc. Renamed Boon Edam Inc. in 2008, we produce revolving doors, security doors, security portals, security turnstiles and barriers, and vehicle barriers for customers around the world. With this expanded and comprehensive product lineup, Boon Edam Inc. can provide a reliable solution for virtually any type of pedestrian or vehicle entrance control application.