Hi-Lume Corp. is in the process of purchasing a 57,500-square-foot facility in Hauppauge to serve as a centralized headquarters.

The Huntington Station-based commercial carpentry company will spend $4.54 million to purchase the facility, located on 5 acres at 175 Kennedy Drive, before spending an additional $3.31 million to construct a 17,500-square-foot addition. Once completed, Hi-Lume will move itself and its affiliates – Metro Interior Distributors, Liberty Doorworks and W.J. Northridge Construction, collectively known as Sutherland Building Group – out of three facilities scattered around Northwest Suffolk County and into the Hauppauge office.

“We’ve completely outgrown our facility,