Polestar Applied Technology

Tetra Tech EC Inc. (TtEC) is one of the leading providers of consulting, engineering, remediation and construction services. The company offers a range of services, such as construction, design and engineering, economic, social, and cultural resources and environmental sciences. Based in Richland, Wash., it is a subsidiary of Tetra Tech Inc. The company's projects span industrial and sediments, ports, harbors and waterways, nuclear, energy and Department of Defense. In addition, Tetra Tech EC Inc. serves federal, state, and local government agencies.

SpecialtiesWe specialize in radiological & nuclear services, occupational safety & health, environmental protection, laboratory services, and training.

Seatech Security Solutions, based in Richland, WA, is dedicated to balancing the needs of its people and the planet, drawing on the ancestral values that have guided its community for over 10,000 years. The company emphasizes the importance of culture, shared heritage, and sustainability, striving to be good ancestors for future generations. With a focus on ocean health and land management, Seatech works collaboratively to restore balance within their ecosystems and support the communities they serve. Their deep commitment to cultural values informs their strategic decisions and adaptability, reinforcing a symbiotic relationship with the environment while fostering resilience and respect for both people and the planet. Generated from the website