Bradford
American Refining

Chester
Sun Shipbuilding

Clairton
Clairton Steel Mill

Eddy Stone
Philadelphia Electric Co.

Holtwood
Holtwood Powerhouse

Homer City
Homer City Powerhouse

Hunlock Creek
Hunlock Powerhouse

Marcus Hook
Sunoco
Sunoil Co.

Marthas Hook
British Petroleum

Martins Creek
Martins Creek Powerhouse

Morrisville
US Steel

Mountaintop
Foster Wheeler

New Castle
New Castle Powerhouse

Palmerton
New Jersey Zinc

Peachbottom
Peachbottom Powerplant

Philadelphia
ACW Lines
America West African Line
Arco Oil Refinery
Gulf Oil Refinery
Moore McCormick
Philadelphia Naval Shipyard
Sunoco
The Gulf Plant
United Fruit Co.
US Merchant Marine
US Navy Yard

Pheonixville
Philadelphia Electric Co.-Crumby Static

Pittsburgh
Continental Can
Limbach-Home Office
Pittsburgh Elementary School

Reesedale
Armstrong Powerhouse

Rouseville
Pennzoil

Santatoga
Limerick Powerhouse-#2

Shamokin
Sunbury Powerhouse

Shippingsport
Bruce Mansfield Powerhouse

South Heights
FR Phillips Powerhouse

Trainer
Tosco

Warren
United Refining

Washingtonville
Washingtonville Power Station

York
York Powerhouse