Great Northwest Environmental

PNG Env Index is a Portland-based firm specializing in the investigation and remediation of hazardous substances and petroleum releases across the Pacific Northwest. With over three decades of experience, their expertise encompasses a wide range of contaminants and employs various innovative remedial technologies tailored to meet the specific goals of their clients. The company is recognized for its efficient project completion and strong relationships with regulatory agencies and insurance companies. PNG's small business model allows for cost-effective solutions, and they frequently collaborate with other small firms to enhance their capabilities for larger projects. Generated from the website

Tetra Tech, based in Portland, OR, is a global leader in providing innovative solutions through science, technology, and innovation to improve the quality of life for people around the world. Their diverse range of services includes environmental and climate change solutions, water supply management, energy transition, biodiversity conservation, and digital transformation. With a commitment to sustainability and social responsibility, Tetra Tech aims to positively impact 1 billion lives by 2030 by creating resilient and sustainable communities. Through their expertise in engineering, science, and technology, they work towards advancing environmental, social, and governance goals to protect communities and the environment for future generations. Generated from the website

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