Carlson Testing

PNG Environmental Inc., based in Portland, Oregon, specializes in the investigation and remediation of hazardous substances and petroleum releases across the Pacific Northwest. With over three decades of experience, the company offers tailored, cost-effective solutions for complex environmental challenges, focusing on essential data to efficiently implement remedial technologies. Recognized for their expertise in environmental litigation support, PNG Environmental has built a solid reputation by managing technical discovery and providing expert evaluations of cleanup efforts. Their dedicated team of professionals, with extensive backgrounds in various environmental sciences, ensures a high level of service and successful project completion. Generated from the website

PBS Engineering and Environmental Inc. is dedicated to providing quality programs, design solutions, and field services to a wide range of organizations in the public and private sectors. With 30 years of experience in built and natural environments, PBS offers professional consulting and management projects through their eight offices located in Oregon, Washington, and Idaho. Generated from their website's infomation

Geotechnical Resources, Inc. (GRI) was established in 1984 and provides geotechnical engineering, geologic, and environmental design and consulting services from offices in Oregon and Washington. The size and technical excellence of our staff permit us to offer a broad range of expertise, plus personalized service to each client. The professional staff is well-trained academically and highly skilled technically. We have the practical, hands-on experience required to economically and accurately characterize site conditions and provide innovative, practical, and buildable recommendations for design and construction