Clear Water Testing
| Ceroni Piping Company | 7770 Ceroni Rd., Cherry Valley, IL 61016 | (815) 332-7777 | josh.ceroni@ceronipiping.com |
| Geostar Mechanical Inc. | 27 Airport Dr, Rockford, IL 61109 | (815) 494-9090 | Wblocker@geostarinc.com |
| Pearson Plumbing & Heating Co. | 2415 20th St., Rockford, IL 61108 | (815) 398-8312 | |
| Premistar – North | 9933 North Alpine Rd, Machesney Park, IL 61115 | (815) 654-7900 | dkrusemeier@premistar.com |
| Service Plumbing | 931 River Lane, Loves Park, IL 61111 | (815) 636-8090 | serviceplumbing931@gmail.com |