1. Optibase Inc 319 Littleton Rd Ste 107b, Westford, MA 01886 Coordinate: 42.55572,-71.44593 Phone: (978) 399-0226
2. Proav Systems Inc 64 Brookside Rd, Westford, MA 01886 Coordinate: 42.61488,-71.41064 Phone: (978) 692-5111