Comac Pump & Well, LLC Well Replacements - Serving Maine, Massachusetts... COMAC PUMP & WELL, LLC Home About Us Artesian Well DrillingWhat to ExpectContracts Geothermal Systems... Hydrofracturing Water ConditioningWater Testing Well Replacements Service & Installation Equipment Testimonials Photos Contact Us 1st in H2O Explore the many reasons why our... services include well drilling, dug well replacements and new construction, hydrofracturing, pump installation (submersible, jet and sump), submersible conversions, well exploration, well...