By Manufacturer:
3M Construction Products
Southern New Jersey, Eastern Pennsylvania
Airmaster Fan
Southern New Jersey, Eastern Pennsylvania, Delaware, Maryland, DC, Northern Virginia
Bolt Star
Southern New Jersey, Eastern Pennsylvania, Delaware, Maryland, DC, Virginia
Hougen Manufacturing Company
Southern New Jersey, Eastern Pennsylvania, Delaware, Maryland, DC, Northern Virginia
Louisville Ladder
Southern New Jersey, Eastern Pennsylvania, Delaware, Maryland, DC, Virginia
Metabo Corporation 
Southern New Jersey, Eastern Pennsylvania, Delaware
Southwire Company
Southern New Jersey, Eastern Pennsylvania, Delaware, Maryland, DC, Virginia
​(not electrical distribution)
Sumner Manufacturing Company
Southern New Jersey, Eastern Pennsylvania, Delaware, Maryland, DC, Virginia

By County:
New Jersey        Mercer and Monmouth Counties and South
Pennsylvania     Potter, Clinton, ​Juniata, Mifflin, Franklin and East
Delaware            All Counties
Maryland            All Counties
Virginia               All Counties