Proven under pressure


American Gilsonite Company is the world’s only supplier of Gilsonite®, a naturally occurring hydrocarbon resin (uintaite). With a number of unique chemical properties and physical characteristics, Gilsonite® improves the performance of many critical materials and applications.

The strength, flexibility, extreme light weight and environmental safety of Gilsonite® make it a superior additive for cementing and drilling fluids in the oilfield, as well as improving performance and quality in asphalt, inks, paints, stains, construction materials and foundry castings.

Gilsonite® is only found in our mines in Northeastern Utah. If it doesn’t come from American Gilsonite Company, it isn’t Gilsonite®.

  1. Oil & gas applications
  2. Industrial applications

What is gilsonite®?

Gilsonite® is a naturally occurring hydrocarbon resin with properties that enhance the performance of critical applications across multiple industries.

The safety and performance
of our mining operations is
unparalleled in the industry.

Learn More

Gilsonite® is in demand around the globe

Gilsonite<sup>®</sup> is in demand around the globe

Our Innovation Center develops industry-leading products and provides unmatched support to solve complex drilling fluids and cementing challenges.

Innovation is at the heart of everything we do.

Making history

American Gilsonite Company has been making history for over 125 years, providing for the needs of a broad spectrum of industries with ongoing innovations.

Contact Us

Drilling fluids contacts

Corey Webb

Account Manager – Drilling Fluids

+1 (832) 444-8337

Ghery Sotomayor

Account Manager – Drilling Fluids

+1 (832) 726-6121

Cementing products contact

Larry Glaser

Senior Account Manager – Cementing

+1 (281) 731-4633

Industrial markets contact

Bill Britton

Industrial Applications Engineer

+1 (209) 304-3183

USA and international orders


Domestic and Export Sales Coordinator

+1 (435) 781-4538

Houston office

Houston Office

16200 Park Row Drive, Suite 250

Houston, TX 77084

+1 (713) 400-7600

Ashley Reimann

Marketing Manager
+1 (281) 543-8247

Bonanza mine site

Bonanza Mine Site

29950 South Bonanza Highway

Bonanza, UT 84008

+1 (435) 789-1921