B.S.Y.Construction Company Limited (B.S.Y.) was established in June, 1991 by a group of engineers who are the experts in the field of building construction works,with a registered capital of 300 million baht.

After ten years of hard work, it has been proved that BSY has grown remarkably into are liable general contractor. The total construction volume realized by BSY has reached over 13.0 billion Baht. More than 150 projects have been constructed by BSY. Followings are some of the projects constructed by BSY with the contract value over 300 million Baht each.

 - P&G COSMO Warehouse         - Chemdal S.E.A. Plant Rayong
 - Dennakorn Residence               - Celestica Thailand
 - P&G GSS                                  - INVE'S New Production Facilities
 - Pimarn Park Hotel                     - Chok Chai Dairy Plant Extension
 - P&G Project Plus                       - Effem Food New Factory
 - Danieli Far East                         - Outlet mall