Tapani Underground employs more than 170 of the most talented crew members in Washington and Oregon. This ensures that your excavating, pipe, utility, heavy highway and road projects are completed on time, within specifications and budget, and with the utmost safety practices in mind.

Our project managers are exceptional and play a key role in the overall success of each project. They are committed to building strong, cohesive work teams that include all the engineers, consultants, inspectors, governing agencies, sub contractors and suppliers. Our project managers become, in essence, your primary communication hub, acting as liaison for all project communication components. This ensures your awareness of progress and recommendations every step of the way.

“Your staff showed the highest standard of professionalism, starting with their good communication, quick responses to questions, concerns, issues, and finally, dealing with the complaints from the State Parks staff.”
- Sanh Ho, Environmental Engineer, Southwest Region Parks Development

“Tapani Underground Inc. was extremely cooperative and easy to work with. The employees showed pride in their work and a commitment to completing the work in a timely manner. Tapani offered new ideas and suggestions on how to complete the work in a better way which resulted in an overall successful project.”
- Glen Schneider, Regional Construction Engineer, Washington State Department of Transportation