As a worldwide leader in geothermal drilling and consulting, ThermaSource, LLC provides the geothermal industry with two vitally needed services: engineering consulting and a fleet of fully staffed and operating drill rigs. The engineering consulting service has been the business mainstay since 1980 and in recent years, ThermaSource has expanded this service to meet the growing geothermal demand worldwide. ThermaSource also provides drill rigs staffed with highly experienced geothermal crews responsible for drilling and completing production and exploration wells on geothermal projects. Currently, ThermaSource owns and operates rigs in the United States, Chile and Nicaragua.
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The ThermaSource, Inc. annual revenue was $49 million in 2026.
Jerry Hamblin is the COO of ThermaSource, Inc..
11 people are employed at ThermaSource, Inc..
ThermaSource, Inc. is based in Santa Rosa, California.
The NAICS codes for ThermaSource, Inc. are [221, 22].
The SIC codes for ThermaSource, Inc. are [49, 138, 13].