The Local Emergency Planning Committee is made up of local area hospitals, pipelines, media, chemical industries, and others. The following are several local LEPC representatives:
- American Red Cross
- Avista Utilities
- BNSF Railroad
- Chevron Pipeline
- Community Colleges of Spokane
- Conoco Phillips
- Exxon Mobil
- Fairchild Air Force Base
- Holly Energy
- Inland Empire Fire Chiefs Association
- National Weather Service
- PG&E Gas Transmission Northwest
- Sacred Heart Hospital / Providence Health Services
- Spokane County Sheriff's Office
- Spokane Fire Department / Regional Hazmat Team
- Spokane Regional Health District
- Spokane County Emergency Management
- Spokane Solid Waste Management
- Spokane Fire Department-Hazardous Materials
- Spokane Transit Authority
- Spokane Valley Fire Department
- Spokesman Review
- U.S. Postal Service
- Washington State Patrol
- Washington State Department of Ecology/Incident Response
- Washington State Department of Transportation
- Yellowstone Pipeline