- Montgomery County, MD
- Prince George's County, MD
- Frederick County, MD
- Washington, DC
- Howard County, MD
- Loudoun County, VA
- Fairfax County, VA
- Bethesda Chevy-Chase Rescue Squad - Rescue Co. 1
- Bethesda Fire Department - Co. 6, 20, & 26
- Burtonsville Volunteer Fire Department - Co. 15
- Cabin John Park Volunteer Fire Department - Co. 10 & 30
- Chevy Chase Fire Department - Co. 7
- Damascus Volunteer Fire Department - Co. 13
- Gaithersburg / Washington Grove Volunteer Fire Department - Co. 8 & 28
- Germantown Volunteer Fire Department - Co. 29
- Hillandale Volunteer Fire Department - Co. 12 & 24
- Hyattstown Volunteer Fire Department - Co.9
- Kensington Volunteer Fire Department - Co. 5, 18, 21, & 25
- Laytonsville District Volunteer Fire Department - Co. 17
- Montgomery County Fire & Rescue Services
- Rockville Volunteer Fire Department - Co. 3, 23, 31, & 33
- Sandy Spring Volunteer Fire Department - Co. 4 & 40
- Silver Spring Volunteer Fire Department - Co. 1, 16, & 19
- Takoma Park Volunteer Fire Department - Co. 2
- Upper Montgomery County Volunteer Fire Department - Co. 14
- Wheaton Volunteer Rescue Squad - RES2CUE
- Accokeek Volunteer Fire Department
- Baden Volunteer Fire Department
- Beltsville Volunteer Fire Department
- Berwyn Heights Volunteer Fire Department
- Bladensburg Volunteer Fire Department
- Boulevard Heights Volunteer Fire Department
- Bowie Volunteer Fire Department
- Branchville Volunteer Fire Company
- Brentwood Volunteer Fire Department
- Bunker Hill Volunteer Fire Company
- Capitol Heights Volunteer Fire Department
- Chapel Oaks Volunteer Fire Department
- Chillum-Adelphi Volunteer Fire Department
- College Park Volunteer Fire Department
- Cottage City-Colmar Manor Fire Company
- Glenn Dale Volunteer Fire Department
- Greenbelt Volunteer Fire Department
- Hyattsville Volunteer Fire Department
- Kentland Volunteer Fire Department
- Laurel Volunteer Fire Department
- Laurel Volunteer Rescue Squad
- Marlboro Volunteer Fire Department
- Morningside Volunteer Fire Department
- Ritchie Volunteer Fire Department
- Riverdale Heights Volunteer Fire Department
- Riverdale Volunteer Fire Department
- Seat Pleasant Volunteer Fire Company
- Silver Hill Volunteer Fire Department
- West Lanham Hills Volunteer Fire Department
- Braddock Heights Volunteer Fire Department
- Carroll Manor Fire Company
- Emmitsburg Volunteer Ambulance Company
- Guardian Hose Company
- Independent Hose Company
- Libertytown Volunteer Fire Department
- Middletown Volunteer Fire Department
- Myersville Volunteer Fire Company
- Thurmont Community Community Ambulance Service
- United Fire Company
- Vigilant Hose Company
- Walkersville Volunteer Fire Company
- Walkersville Volunteer Rescue Company
- Woodsboro Volunteer Fire Company
- Aldie Volunteer Fire Department
- Arcola-Pleasant Valley Volunteer Fire Company
- Ashburn Volunteer Fire & Rescue Company
- Leesburg Volunteer Fire Company
- Loudoun County Department of Fire & Rescue
- Loudoun County Volunteer Rescue Squad
- Lovettsville Volunteer Fire and Rescue
- Purceville Volunteer Rescue Squad
- Philomont Volunteer Fire Company
- Sterling Volunteer Fire Department
- Sterling Volunteer Rescue Squad
- Annandale Volunteer Fire Department
- Burke Volunteer Fire Department
- Dunn Loring Volunteer Fire Department
- Fairfax County Fire and Rescue Department
- Fair Oaks Volunteer Fire and Rescue Company
- Franconia Volunteer Fire Department
- Greater Springfield Volunteer Fire Department
- Great Falls Volunteer Fire Department
- McLean Volunteer Fire Department
- Vienna Volunteer Fire Department