TRS partners with industry-leading organizations in many fields including engineering, construction, remediation, environmental, and financial services based on each site's scope of unique requirements. TRS maintains professional relationships with the companies identified on this page.
For more information about becoming a TRS Partner please email us.
AECOM is a world leader in developing innovative environmental solutions with cutting-edge expertise in remediation of chlorinated and recalcitrant compounds. We have a history of solving complex site challenges around the globe using an effective endpoint strategy, while addressing a broad range of contaminants and working with diverse stakeholders.
Amec Foster Wheeler designs, delivers and maintains strategic and complex assets for its customers across the global energy and related sectors. With over 40,000 people in more than 50 countries, the company operates across the oil and gas mining, clean energy, power generation, pharma, environment and infrastructure markets.
CDM Smith provides integrated solutions in water, environment, transportation, energy and facilities to public and private clients worldwide. As a full-service consulting, engineering, construction and operations firm, we deliver exceptional client service, quality results and enduring value across the entire project life cycle.
CH2M is a global engineering and project delivery company partnering with public and private clients to tackle the world's most complex infrastructure and natural resource challenges. The firm's work is concentrated in the energy, environment, industrial, nuclear, transportation, and water markets.
Environmental Expert is a leading B2B marketplace, professional network & information resource that connects over 1,000,000 global environmental professionals from the industry, government and research & development sectors to more than 23,000 environmental companies & organizations that provide the products, services and information they need on a daily basis.
The Environmental Services Directory for Washington State is a business-to-business directory of environmental services, products, and information sources available in Washington State.
KeyBank has approximately 19,000 employees and 2.2 million retail, small business, and corporate and investment clients. There are 950 Key branches located in 13 states and 1,447 ATMs.
Landau Associates has provided our clients with environmental, engineering, permitting, and regulatory compliance services and strategies in support of site and infrastructure development since 1982.
Northwind provides comprehensive solutions to the environmental consulting industry, supplying these services from 12 offices located in the continental United States and Alaska.
Oneida Total Integrated Enterprises (OTIE) is a Native American, tribally-owned, SBA-certified 8(a) small, disadvantaged business. Owned by the Oneida Tribe of Indians of Wisconsin, our mission is to preserve, restore, and enhance the natural and constructed environment for future generations through successful project delivery for our customers. OTIE has 20+ years of experience providing environmental remediation, construction, engineering and emergency response services to federal, state, and local government agencies, as well as commercial customers throughout the United States.
SBICs, licensed and regulated by the SBA, are privately owned and managed investment firms that use their own capital, plus funds borrowed at favorable rates with an SBA guarantee, to make venture capital investments in small businesses.
Founded in 2007 and based in the Midwest, SMA provides our clients with environmental consulting, investigation, remediation, data management, and 2D/3D data visualization services. We specialize in site delineation, characterization of subsurface migration processes. and soil and groundwater remediation. Our areas of expertise include chlorinated solvents, petroleum hydrocarbons, and metals that occur within a variety of geological and hydrogeological settings across the United States.
Terra Pacific Group Incorporated (Terra Pacific) is a full service environmental engineering firm offering a broad range of expert environmental services to the private and public sectors. Our associates represent a diverse group of professionals with capabilities covering a wide range of disciplines, from assessment and remediation of impacted sites to hydrogeologic studies, regulatory agency negotiations, and construction management. These highly respected individuals are established leaders in the environmental services industry with proven track records for client satisfaction.
Tetra Tech is a leading provider of consulting, engineering, and technical services worldwide. We are a diverse company, including individuals with expertise in science, research, engineering, construction, and information technology. Our strength is in collectively providing integrated services—delivering the best solutions to meet our clients' needs.
Hank Mittelhauser, Ph.D
St.John-Mittelhauser & Associates