Geothermal.contractors

Bay State Pump Co. is a Holden, Massachusetts well drilling and geothermal contractor serving the region since 1987. Fully licensed and insured by the Massachusetts Department of Environmental Protection (License #826), the company provides residential and commercial geothermal well drilling alongside hydrofracking, pump system installation and repair, water filtration, and well abandonment services. Its service territory covers all of Massachusetts and extends into New Hampshire and Rhode Island, with major coverage areas including Worcester, Boston, Shrewsbury, Hopkinton, and Natick. Bay State Pump operates fully stocked service trucks with experienced staff available for emergency calls 365 days a year. Vertical borehole drilling is the company's geothermal technique, and its geothermal-drilling page is indexed under the title 'Geothermal Drilling in Hopkinton, MA,' reflecting a focus on ground-source heat pump well preparation across central Massachusetts. Verified active operator per https://www.baystatepumpco.com/ + https://www.baystatepumpco.com/services/ (Bundle 4 audit 2026-05-28)