As part of Tan Holdings’ 40th year anniversary, the company donated $10, 000 to the Works! Foundation in Guam. Tan Holdings is known to show full support to organizations that help in preserving the beauty of the region. The Works! Foundation is a non-profit organization started by Atty. Naoko Shimize on April 2011. The foundation encourages the community to support the beautification of Guam. It also aims to raise awareness of the effects of littering and vandalism and promote volunteerism for the sake of the region.