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Your Environmental, Geotechnical and Clean Water Drilling Professionals

Bring on your drilling projects - any size, any complexity. From simple one day projects to complex, multi-faceted extended drilling programs, you can count on your team at Holt Services, Inc. to do what it takes to complete your drilling project on schedule, to your specifications, and with your total satisfaction. You get the equipment, experience and benefits of a large company with the dedicated, personalized service of a small company.

Your success is our priority before, during, and after your drilling project.

You can count on Holt Services to treat you right. We take care of you on every project to earn your trust and the opportunity to take on your next project - whether that's next week or next year. You will work with experienced, knowledgeable drillers who run your project with a friendly can-do attitude using state-of-the-art drilling equipment, backed up by an experienced management team with the authority to solve problems quickly.

Need a quick turnaround? With 25 licensed drillers on staff and the largest fleet of the most diversified drilling equipment in the Pacific Northwest, your project can be underway soon.

Contact us today to discuss or schedule your project.

Serving Washington, Oregon, Idaho, Montana, Alaska, California, New Mexico, and beyond. Our specialized equipment and depth of expertise in environmental drilling, geotechnical drilling and clean water drilling enables us to complete your project at competitive pricing well beyond our home state of Washington.

Contact us today for an estimate or to talk with a drilling professional about your project.


5th Sonic drill joins our diversified fleetApril 11, 2017
5th Sonic drill joins our diversified fleet

Another versatile TSi 150 compact crawler is ready to go to work for you! With five sonic drill rigs, we’ve got the largest fleet of sonic rigs in the Pacific Northwest. With its rubber tracks, small footprint, and advanced technology, the TSi 150 CC can get to virtually any site and get the job done with all the power of a big rig.

With the largest, most diversified fleet of drilling equipment in the industry, Holt Services makes it easier to put the right drilling equipment and teams at your project site when you need them.

Get the results you need on time and on budget with our 5th NEW sonic drill rig! Get details.

More news.



Washington Contractor #HOLTSSI898JG
Oregon Construction Contractors Board #198764
Idaho Public Works CL #015401-CC-4
Montana CL #MWC449
Alaska CL #39039
California Type C-57, #1008224
New Mexico CL #5205166

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