GC Finder · Amador County
Fredrick Mark Pump & Supply CO
From public license list
- License
- CSLB license: General Engineering (A), Water Conditioning (C-55), Well Drilling (C-57) · CSLB 333800 Active (CSLB status Clear)
- Location
- Jackson · Amador County
Source: California Contractors State License Board, License Master file, retrieved 2026-10-30. This listing shows only public license data. It has not been reviewed by the business.