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Pennsylvania

* Not an exhaustive list

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Bala Cynwyd

Ellisco, Inc.

Bethlehem

Bethlehem Steel

Birdsboro

Parish Pressed Steel Co.

Boston

Boston Brick Co.

Briston

Rohm & Haas Chemicals, LLC

Bryn Mawr

Marine America Corp

Bucks

Parish Pressed Steel Co.

Butler

Armco Steel

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Carnage

Carnegie Aluminum Door/Window

Chaneroi

Highway Appliance Company

Conemaugh

North American Coal Co.

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Drexel Hill

G & H Steel Service

Dunemore

Chromatube

Dunlo

Gdula Coal Co.

Dunmore

Radio Company of America

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Easton

Lehigh Foundry

Easton

Schiable's Bakery

Easton

Sheridan Machine

Ephrata

Brobst Aluminum

Erie

Erie Fish Co.

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Franklin

H.T. Osburn & Company, Inc.

Franklin

The Guy S Haak Builders

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Hamburg

Burkey Mills, Inc.

Hamburg

Fairmont Foundry, Inc.

Harrisburg

Tyco Electronics Corporation

Homer City

Helen Mining

Honesdale

Toth Trucking

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Indiana

Rochester/Pittsburgh Coal Co.

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Jeanette

Hanlon & Wilson Co.

Johnstown

Hudec Colliery, Inc.

Johnstown

Sheesley Construction

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Lancaster

A C & S, Inc.

Lancaster

Armstrong World Industries

Lancaster

Martins Hatchery Poultry Farms, Inc.

Lebanon

Lempiner Roofing & Siding

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Manessa

Bethlehem Steel

Meadville

Talon Federated Fund

Mifflintown

Juniata County School District

Monroeville

Hanlon Electric Co.

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New Castle

Conn Welding & Machine Co.

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Oaks

Metalweld, Inc.

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Philadelpha

American Dredging

Philadelphia

American Can Company

Philadelphia

Atlantic Union Resources, Inc.

Philadelphia

A-Z Paper

Philadelphia

Beaver Run Coal Co.

Philadelphia

Brand Mid Atlantic Inc.

Philadelphia

Budd Red Line Co.

Philadelphia

Catalytic, Inc.

Philadelphia

FH McGraw & Co.

Philadelphia

Gateshirt Development Corp.

Philadelphia

George Pottash & Co.

Philadelphia

Harry's Auto Repairs

Philadelphia

Marinelli Bakery

Philadelphia

Modern Cooling

Philadelphia

Scharff Equipment Co.

Philadelphia

Sterling Metal

Philadelphia

Swan Trucking

Philadelphia

United Engineers & Constructors, Inc.

Philadelphia

Yellow Cab Co.

Pittsburg

Carnegie-Illinois Steel Corp.

Pittsburg

Sersteel Corp.

Pittsburg

Spano Painting Company

Pittsburg

United States Steel Company

Pittsburgh

Beazer East

Pittsburgh

Carnegie-Illinois Steel Corp.

Pittsburgh

Cebor Construction Corp.

Pittsburgh

Consolidated Comstock Co.

Pittsburgh

Davy McKee Corp.

Pittsburgh

Des Moines Iron

Pittsburgh

Dresser Industries, Inc.

Pittsburgh

Granite City Steel Co.

Pittsburgh

International Mill Co.

Pittsburgh

Irving Works Steel Mill

Pittsburgh

Ketchum Communications Holding

Pittsburgh

Martin & Nettrour Contracting

Pittsburgh

National Valve & Manufacturing

Pittsburgh

North American Rockwell Corp.

Pittsburgh

Power Piping Co.

Pittsburgh

Robert Chambers, Inc.

Pittsburgh

Sergeant Electric Co.

Pittsburgh

Sercon Corp.

Pittsburgh

Standard Box

Pittsburgh

United States Steel Corporation

Pittsburgh

Union Supply Co.

Pittsburgh

USX Corporation

Pittsburgh

Westinghouse Electric Corp.

Pittsburgh

Yobe Electric, Inc.

Plymouth Meeting

Reading Transportation

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Reading

Aluminex, Inc.

Reading

Berkshire Insulation Co.

Reading

Blue Bell, Inc.

Reading

Community Home Improvement Co.

Reading

H T Horst Construction Co.

Reading

Heere Bros.

Reading

Old Reading Brewery, Inc.

Reading

Reading Gray Iron Casting, Inc.

Richland

Paul E. Berry-Excavating Contractor

Robindale

Blair Fuel Co.

Robinson

Crichton Coal & Coke Co.

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Saltsburg

Seanor Coal Co.

Sharon

Charles Alter, Contractor

Sharon

Lou Miles, Contractor

Sharon

Sharon Steel

Sharpsville

Sharpsville Roofing

Sheridan

Grinding Feed

Sinking Spring

Sinking Spring Foundry

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Titusville

Cytemp Specialty Steel

Topton

Topton Bakery

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Valley Forge

CertainTeed Corporation

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Warren

Hammond Iron Works

Warren

Struthers Wells Corp.

Washington

Songer Construction Co.

Waymart

Pat & Reds Tire

West Lawn

Penna Tri State Home Improvement Co.

White Mills

Robert Welch Trucking

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Zelienople

Interstate Contracting & Coating Co.

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