Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
Strong Teams, Successful Projects
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Tapani Inc. performs heavy civil, site construction, and structural concrete services throughout the Pacific Northwest. The company has grown significantly since its establishment in 1983.

Over the past 35 years, Tapani has diversified from primarily underground utility work to encompass nine market areas. These areas include: commercial, grading and environmental, industrial, materials, structures, subdivisions, transportation, trucking and, of course, utilities.

With over 500 employees, Tapani is currently managing approximately 60 active projects. Depending on the project, Tapani performs as either the general contractor or a subcontractor. To ensure that the right tools are ready for any project, a team of mechanics and technicians maintains a fleet of more than 250 pieces of equipment.

Tapani cares for every project, large or small, with dedicated resources and full attention. The company’s exceptional staff strive for client satisfaction.

“Our people set us apart from everyone else”

- Leigh Tapani

Services We Provide

safety-icon-new concept

Safety is #1





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Grading and Environmental

Grading and Environmental











Tapani Inc. has extensive experience working on a wide variety of projects. The company is able to manage a complete scope of work from the ground through project completion. Expert project managers and skilled crews ensure that all aspects of a job run as smoothly as possible. Project teams use scheduling software, GPS and modeling technology to manage the many project details. 

Staff are supported with a state-of-the-art operations fleet. Preplanning allows staff to flex schedules as needed to address weather or to solve an unexpected issue. As an added benefit, Tapani also owns subsidiaries that can support a project with trucking services or materials, such as dirt, top soil, sand, and more.

Satisfied Clients

“Makes our jobs easier and more enjoyable”

It is subcontractors like you that make our jobs easier and more enjoyable. We are submitting your company with a Certificate of Appreciation. These certificates are not issued to everyone that worked on this project but only those that truly went above and beyond.

R&O Construction
Vancouver Walmart


“Knowledgeable, experienced, and professional”

The Tapani supervisor and management teams, field crews, and office staff are knowledgeable, experienced, and professional. They exhibit integrity, are conscientious about their work . . . perform their work in a timely fashion utilizing good equipment . . . pleasure to work with and we look forward to the opportunity to work with them again in the future on other successful projects.

Cowlitz County
Dept. of Public Works

Headquarters Landfill Cell 8 Earthwork Construction

“Quite simply outstanding”

This work was performed in a very timely manner in spite of unusually poor weather . . . completed safely with zero accidents . . . [The superintendent] and crew were quite simply outstanding and so was their work. Day in and day out, no matter what, they had a plan to go forward . . . taking a tough job and making it look easy . . . This is the right way that BMPs and erosion control are to be done.

Over 30 Years of Experience

  • 1983


    Tapani Underground is founded by Iner & Beverly Tapani

  • 1986


    Office moves to current location in Battle Ground and the business is incorporated

  • 2005


    Tapani Trucking and Tower Rock Products are founded as Tapani subsidiaries

  • 2009


    Structural concrete team is formed

  • 2015


    Transition of ownership to 2nd generation is completed

  • 2019


    Opened Regional office in Richland, WA  

Committed to Safety

Going home each day the same way you came to work is a goal every day at Tapani Inc. The company is committed to keeping all its employees in the safest workplace environment possible, to achieving a high level of safety culture, and to being the safest company to work for in the Pacific Northwest. Tapani believes its employees should be rewarded for safe performance at both a group and individual level, and has implemented and successfully maintained Safety Incentive Programs to do just that. More detailed information is on the website’s Safety page, but you should know that each one of Tapani's projects starts with a comprehensive,

documented Job Hazard Analysis which is communicated through management down to all levels of field employees. A Daily Pre-Task Plan Checklist begins each day for Tapani crews and itemizes the  safety hazards, controls and plan for the day. Weekly Monday morning Toolbox Safety Meetings cover a variety of safety and health topics relevant to the  industry. Tapani utilizes state agencies in Washington and Oregon for yearly workplace on-site consultations to help the company excel in safety and accident prevention. Tapani's state-approved accident and prevention programs cover all aspects of underground construction safety.

Vision and Core Values

To live Tapani’s core values, and to grow through employee engagement. We are committed to a continuous focus on self-improvement, business innovation and relationship development.

  • THE PEOPLE Engaging careers, work-life balance, family and safety
  • REPUTATION We strive to do the right thing
  • UNITY Committed to the success of our clients, subs, and suppliers
  • STABILITY Profitable, fiscally conservative, premier equipment fleet
  • TAPANI’S CULTURE Honest, open, friendly, family-oriented and humility, because everyone counts
Tapani Inc