About Us

Our Mission

Understanding aspects of each fundamental grain is integral for establishing a strong foundation.

We pick the suitable equipment and procedures based on the characteristics of your site. Our highly skilled crew becomes your team by combining safety and skillful ways to finish projects quickly and affordably.

Celebrating Over Twenty-Five Years

Throughout 2022, SEQ Drilling celebrated over twenty-five years of working in the drilling industry! To all our valued clients, employees, vendors, suppliers and associates, THANK YOU. We hope to continue our loyalty and collaboration throughout the next 25 years. We remain focused on being the geological drilling contractor of choice and providing industry leading drilling and safety solutions.



February/March 2023

We are honored to have an article written about us in the February/March 2023 issue of Geostrata. Read about us on page 76 that is titled: GeoVirginia Foundations Short Course - June 5-9, 2023.

View GeoStrata Article

Sony and Karen Sequest

Karen Sequist


President Karen Sequist created SEQ Drilling with the support of her Master Driller husband, Craig "Sonny" Sequist. Creating the vision of a renowned drilling firm by delivering professional and accurate drilling services.

Karen: Bio / Resume

Craig "Sonny" Sequist

VP. Master Driller

Vice President and Master Driller at SEQ Drilling, Sonny Sequist is responsible for strategic leadership, the execution of results-driven drilling procedures, and drilling equipment knowledge.

Sonny: Bio / Resume

Our Service Area

SEQ Drilling is headquartered in Hanover, Virginia and can serve anywhere in Virginia, Maryland, and North Carolina. Our crews have experience operating in all terrain and weather conditions. Places we frequently do drilling projects in include:

  • Military Bases
  • Richmond, VA
  • Virginia Beach, VA
  • Charlottesville, VA
  • Winchester, VA
  • Staunton, VA
  • Lexington, VA
  • Blacksburg, VA
  • Eastern Shore
  • Danville, VA
  • Bristol, VA
  • Raleigh, NC
  • Greensboro, NC