GPI International is a lighting design company with this office in Westlake. It specializes in customized commercial projects and has worked with The Bellagio Hotel, Harrah's, Tower Oaks, W Hotel, The Wells Fargo Center and the Houston Hyatt, to name a few places. GPI International specializes in back light designs. Photos are available on the Web site. Customer can get a quote for an upcoming project online using the Web site or by calling the office.