General inquiries may be directed to the Washington Companies.
- The Washington Companies
- P.O. Box 16630
- 101 International Drive
- Missoula, MT 59808
- Phone: +1 (406) 523-1300
- Fax: +1 (406) 523-1399
The Washington Companies are a group of individual privately held companies headquartered throughout the United States and western Canada and conducting business internationally.