1. Filtropur
1 Corporation Ctr, Broadview Heights, Ohio 44147
Coordinate: 41.29552, -81.6769599
Phone: (800) 281-6242 (www.filtropur.com)
2. Un-Lime Delimer Patented Patent Pending TM A. O. Smith Corporation
Coordinate: 42.1120035, -87.8288459
Phone: +18005271953 (www.hotwater.com/lit/training/coil-deliming.pdf)
3. ETraFix
Coordinate: 41.24591, -76.1320099
Phone: (570) 256-0889 (eTraFix.com)