3000 Union Ct SE, Wyoming, MI, 49548 (current address)
3000 Union Ct SE, Grand Rapids, MI, 49548 (2001 - 2018)
12548 Headquarters Farm Rd, Charlotte, NC, 28262 (2012)
557 Highland St SE, Grand Rapids, MI, 49507 (2001)
1750 Eastern Ave SE, Grand Rapids, MI, 49507 (2000)