HWA GeoSciences Inc. (HWA) was founded in 1978 and presently employs engineers, geologists, environmental scientists, construction inspectors, laboratory technicians, and support personnel. Our office is located in Bothell, Washington, and includes a state-of-the-art materials testing laboratory, which is accredited by the American Association for Laboratory Accreditation (A2LA) and American Association of State Highway and Transportation Officials (AASHTO) R18 Accreditation. HWA has successfully delivered projects in Washington for local and state agencies, as well as our design-engineering partner firms. This experience is highlighted with building, parks and recreation, solid waste, transportation, waterfront, water, sewer / wastewater, and surface / storm water projects.

The company is a full service land surveying firm offering a wide variety of surveying services to both the public and government sectors including boundary, topographic, right-of-way, construction, subdivision platting and ALTA/ACSM land title surveys for both urban and rural properties in King and Snohomish Counties and surrounding areas. Since the inception of Dunaway Land Surveying, the company has progressed into a fully automated surveying firm utilizing modern technology in electronic data collecting, computer aided drafting and Global Positioning Systems. This, combined with its experienced personnel, has enabled the company to complete thousands of survey tasks for thousands of different clients in an efficient and professional manner.

We're motivated, experienced and strive to provide the best possible service to our clients while maintaining strict safety standards. The Riley Group, Inc. (RGI) has provided services for over 3,000 projects throughout the Pacific Northwest, and we represent a diverse client base ranging from large-scale developers and major retailers to local city and state entities. Contact us today for a quote! History Established in 1996. The Riley Group Inc. (RGI) was founded in 1996 with the intention of supporting local municipal and private clients with a small firm atmosphere. Over the past 20 years, we have managed our firm's growth and direction with the intention of providing our clientele with innovative, cost-effective solutions. RGI has achieved this goal by keeping our management structure simple and our overhead expenses minimal. This approach allows us to expedite client requests by ensuring they do not become bogged down by lengthy and cumbersome internal processes. Our management structure is uncomplicated, effective, and efficient.