Nelson Piping Co 1417 22nd St Rockford, IL 61108 Phone : (815) 398-1910 Business Category Plumbing Contractors Plumbing Heating & Air-Conditioning Nelson Carlson Mechanical Contractors 1417 22nd Rockford, IL 61108 Phone : (815) 398-1910 Business Category Plumbing Contractors Heating Contractors Mechanical Contractors Plumbing Heating & Air-Conditioning Services           Industrial, Plumbing, Process Piping, Refrigeration Property Type           Industrial