Department of Environmental Protection
Harrisburg, PA

Lancaster Airport
Lancaster, PA

Cumberland Valley School District
Mechanicsburg, PA

Pocono Mountain School District
Swiftwater, PA

West Chester Area School District
West Chester, PA

Carlisle Army War College
Carlisle, PA

United States Army Corps of Engineers
Huntingdon, PA

Westminster Seminary
Cheltenham, PA

Earley’s Furniture Store
Carlisle, PA

Knouse Food
Chambersburg, PA

United Telephone
Carlisle, PA
Chambersburg, PA

PPL, Service Center
Carlisle, PA

Guilford Swim Club
Chambersburg, PA

Bethlehem Steel
Steelton, PA

W & L Distributing Company
Harrisburg, PA

Fry Communications
Mechanicsburg, PA

Redding Motors
Carlisle, PA

Automotive Service Center
Carlisle, PA
York, PA
Harrisburg, PA
Hazelton, PA
Grantville, PA

Carolina Motor Freight
Middlesex, PA

Carlisle Tire and Rubber
Carlisle, PA

Masonic Lodge
Carlisle, PA

Hamburg Area School District
Hamburg, PA

Westmont Hilltop School District
Johnstown, PA

Richland Area School District
Johnstown, PA

Cambria County Vocational Technical School
Johnstown, PA

Somerset County Vocational Technical School
Somerset, PA

Clearfield County Vocational Technical School
Somerset, PA

Centre County Emergency Communications Center
Bellefonte, PA

State Correctional Institution at Rockville
Centre County, PA

Warwick School District
Lititz, PA

Bermudian Springs School District
York Springs, PA

Middletown Area School District
Middletown, PA

Conemaugh Valley Memorial Hospital
Johnstown, PA

Sunnehanna Country Club
Johnstown, PA

Lemont Country Club
Lemont, PA

Somerset Hospital
Somerset, PA

Hanover General Hospital
Hanover, PA

Penn Township
Hanover, York County, PA

SKF Bearings
Hanover, PA

The Pennsylvania State University
University Park, PA

Pennsylvania Department of Public Welfare
Harrisburg, PA

Harrisburg State Hospital
Harrisburg, PA

Wernersville State Hospital
Wernersville, PA

State Correctional Institution at Cresson
Cresson, PA

Pennsylvania Department of General Services
Harrisburg, PA

Pennsylvania Department of Transportation
Harrisburg, PA

Pennsylvania Department of Corrections
Camp Hill, PA

Somerset Airport
Somerset, PA

Borough of Southmont
Johnstown, PA

Borough of Westmont
Johnstown, PA

Empire Medicare Services
Harrisburg, PA

Jennifer Road Detention Center
Ann Arundel County, MD

The Brethren Home Community
New Oxford, PA

Dormitory Authority of New York
Buffalo, NY
Rockland, NY
Bronx, NY
Brooklyn, NY
Queens, NY
Long Island, NY

Cresline Pipe
Mechanicsburg, PA

Cocalico School District
Reamstown, PA

Eastern York School District
Wrightsville, PA

Youngstown Sheet and Tube
Youngstown, OH

The Umbrella Works
Lancaster, PA

Kaiser Steel
Fontana, CA

Federal Mogal
Lititz, PA

New Cumberland Army Depot
New Cumberland, PA

Harrisburg International Airport
Middletown, PA

Bethlehem Steel
Sparrows Point, MD

General Motors
Baltimore, MD

Proctor Gamble
Baltimore, MD

McCormick Spice
Baltimore, MD
Hunt Valley, MD

Crystal Geyser
Bakersfield, CA

Shippensburg University
Shippensburg, PA

White Lime Facility
York, PA

Berryville Graphics
Orangeberg, VA

Delta Carbonate
York, PA