Envirocon Toggle search Toggle quick links The Washington Companies The Washington Companies The Washington Way® We are proud to be one of the Washington Companies. The Washington Companies, founded by industrialist and entrepreneur Dennis Washington, are privately held companies active in the core industries of rail and marine transportation, aviation, environmental remediation and restoration services, heavy equipment sales and service, and mining. The companies are headquartered throughout Montana, the Pacific Northwest, and western Canada, and conduct business internationally. Washington Corporations on Vimeo. History of Professional Service The Washington Companies bring equipment and a history of professional service to connect our customers with their needs and help them reach their goals. This diverse group of companies was founded in 1964 by Dennis Washington with a philosophy to provide the highest quality of services. Strength & Stability The rich history of the Washington Companies grew from one heavy civil construction company in 1964 to the successful group of seven privately held companies that exist today. The solid foundation built all those years ago has resulted in strong, reliable, and efficient operating companies today, with a vision towards the future. The Dennis & Phyllis Washington Foundation The Dennis & Phyllis Washington Foundation invests in people to improve the quality of their lives. The foundation supports a broad spectrum of worthy organizations benefiting at-risk youth, economically and socially disadvantaged individuals and families, and those with special needs. more Quick Links Home Join Us Contact Us Our Commitments Environmental Remediation Ecological Restoration Decommissioning & Demolition Markets Connect With Us Envirocon © 2021 Privacy Policy Terms of Use