Working for Our Communities Prioritizing Our Clients Engineering for the Future

Expertise x

Civil Engineering

HDL has the flexibility to provide creative civil engineering solutions to tackle any project, whether it’s inspecting a bulk fuel tank farm or creating a park’s master plan.

Transportation Engineering

HDL’s Transportation Engineers are the team of choice for state and local agencies to design roadway and highway projects in Alaska.

Aviation Engineering

HDL’s Aviation Engineers and Designers have worked on projects ranging from small general aviation airports to large hub airports.

Water and Wastewater Engineering

HDL’s Water and Wastewater Engineers provide services for rural utilities, regional water transmission mains, municipal water systems, roadway projects, and water and wastewater distribution, collection, and treatment systems.

Geotechnical Engineering

HDL’s Geotechnical Services Group brings a wide range of expertise to assist clients with soil and groundwater challenges.

Environmental Services

Our Environmental Services Group has the expertise to aid in the National Environmental Policy Act (NEPA) process and development of NEPA documentation.

Surveying and Mapping

HDL offers in-house, state-of-the-art survey services to support our engineering services.

Construction Administration

The HDL team provides construction services that meet safety and quality expectations, establish clear lines of communication, and stay on schedule/budget.

Material Testing

HDL has a designated staff of professional engineers and qualified technicians who conduct field inspections and lab analyses before and during construction.

Why Choose Us x

Our People

As a mid-size yet agile civil engineering and consulting firm, we can offer more personalized, responsive service from seasoned professionals who care about you and your project.

Our Innovation

We are well-versed in leveraging innovative design and current technology to deliver the most cost-effective results. We use intuition, creativity, and experience to complete our projects.

Our Values

Values such as integrity, teamwork, quality, respect, and positivity are the foundation that formed HDL 20 years ago and guide us still today.

Work With Us
At HDL, we believe our employees are our number one asset. HDL is a fast-paced, team-centered environment with great growth potential. Our work with established clients provides employees with the opportunity to work on dynamic and challenging projects every day.

We value our diverse and talented group of employees and are committed to offering a welcoming work environment that will challenge you to be your best.

Join Our Team

Our History x



An Idea Is Born

In 2000, Scott Hattenburg and Lorie Dilley hatched a plan to form their own engineering company – what would soon become Hattenburg & Dilley, LLC.



Doors Open

The first offices for Hattenburg & Dilley are established in Anchorage and Palmer, and the firm officially opens for business.



Linnell Joins the Firm

Dennis Linnell was looking to take the next step and own an engineering firm. After meeting with Scott and Lorie, the opportunity to buy into Hattenburg & Dilley was extended to Dennis. In April 2002, Dennis officially joined the firm, and the company was renamed Hattenburg Dilley & Linnell, LLC.
Our Story