Join Our Team

We are always looking for talented individuals who are seeking exciting opportunities for personal and professional growth.

Our Staff

We challenge each other and hold one another accountable. We share a commitment to always give outstanding service. We're a team.

Our Projects

With over 50 years of experience in Washington State, here are a few examples of current and past projects. (coming soon)


PLSA maintains experienced professional engineers & engineering design technicians working together as a team to provide our clients with a wide range of engineering services. Combined with our in house planning and survey personnel, PLSA has the capability to assist our clients from the conceptual design of their project on to project design development, permitting, & construction. PLSA is committed to helping clients find sustainable & cost efficient development solutions using a broad array of experience in Geotechnical, Environmental and Civil Design.

Click on the Engineering link above for a detailed list of services


PLSA has experienced field crews and in-house support staff. We provide our clients with the most cost effective, high quality and accurate survey services in the industry.

Our services range from simple boundary surveys to complex issues such as construction staking, residential & construction development projects and American Land Title Association (ALTA) Surveys.

Click on the Surveying link above for a detailed list of services.

Quality Control

PLSA has provided quality control services for over 50 years. Our qualified testing staff has a combined 33 years of experience in projects big and small. PLSA has been providing materials testing and special inspection services to central Washington clients since 1964.

Click on the Quality Control link above for a detailed list of services.