Dedication for over 110 years

Territorial Jurisdiction

Heat and Frost Insulators and Asbestos Workers Local Union No. 24's Territory consists of Washington, D.C., and the following counties in Maryland, Virginia, and West Virginia.


Maryland Counties: Washington, Frederick, Montgomery, Prince George's, Calvert, Charles, St. Mary's, Anne Arundel, Howard, Worchester, Dorchester, Talbot, Queen Anne, Kent, Cecil, Harford, Baltimore, Carroll, Wicomico, Somerset, Caroline, and Baltimore City.

West Virginia Counties: Morgan, Berkeley, Jefferson, Hampshire, and Hardy.

Virginia Counties: Frederick, Clarke, Loudoun, Shenandoah, Page, Warren, Fauquier, Prince William, Madison, Rappahannock, Westmoreland, Culpepper, Stafford, King George, Arlington, Fairfax, and the cities of Alexandria, Falls Church and Fairfax.