Empire's Customers While Empire has completed hundreds of projects during the past 15 years... Below, please find a sample of recent projects completed by Empire. For a more detailed list please visit www.empireacoustical.com. Verizon Wal-Mart Quest AT&T Virginia Department of Transportation Bristol Meyers Squibb CSX Transportation Grissom Air Force Base Salt Lake City Airport Kennedy Space Center Knotts Berry Farm Nabisco Food Company University Of California Pep Boys Auto Parts Miller Brewing Company