Founded in 1990, 5 Star Testing, Inc. has been providing superior service to clients for decades. We have the experience and know how to get the job done the right way and maintain a safe working environment while on time, and within budget. Located outside of Portland, OR we are able to service customers anywhere in North America. We can have technicians on-site and working within a short period of time.

We are committed to providing the highest caliber of services that sets our company apart from our competitors based on quality, safety, and superior value. Our clients notice the 5 Star difference recognizing the value 5 Star Testing brings to the table.  Many of our employees have been with the company for years even decades on a permanent basis allowing us to build crews with solid teamwork, outstanding work ethic and maximum productivity.