who we are
A&A Drilling Service, Inc. is a trusted provider of professional drilling, site work, and utility support services across the Pacific Northwest. With decades of combined industry experience, we bring a commitment to quality workmanship, reliable timelines, and safe operations to every project; no matter the size or site conditions.
As a licensed, bonded, and insured drilling contractor, we support commercial contractors, municipalities, utility providers, and private clients throughout Oregon, Washington, and Idaho. Our team is trained, certified, and equipped to handle demanding drilling environments while maintaining the highest standards of safety and efficiency.
Why A&A?
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Based in Portland, OR, we understand the unique soil conditions, terrain, and regulations that impact drilling and site-work projects in the region. From rocky, uneven surfaces to urban utility environments, we’ve seen it all and we know how to manage it.
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A&A Drilling is fully licensed, bonded, and insured to protect our clients, our workers, and every job site. This ensures total compliance, financial protection, and peace of mind from start to finish.
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We follow strict safety protocols and meet all state and industry regulations. Our work aligns with standards upheld by key industry organizations, including AGC, AWWA, OAWU, and UA Local 290.
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We bring reliable equipment, skilled operators, and a strong work ethic to every project. Whether we’re supporting utilities, assisting contractors, or carrying out specialized drilling services, our focus is always on precision and professionalism.
History
A&A Drilling has served the Pacific Northwest for over 40 years, providing flow control techniques including hot tapping, line stopping, and valve inserting services just to name a few.
We are recognized for delivering pragmatic solutions to our clients across multiple industries, including chemical, commercial, fire protection, high tech, industrial, medical, institutional, military, municipality, petroleum, power plants, pulp and paper, refinery, and water treatment and sewer treatment.
Founded by Warren E. Anderson, Sr. in 1972, A&A Drilling remains to this day a locally-owned and operated family business.
We are proud members of UA Local 290, the Association of General Contractors (AGC), the American Water Works Association (AWWA), and the Oregon Association of Water Utilities (OAWU).