| Alphabetical list of past CO-OP/Internships | CO-OP/Internships by type of agency | ||
| Employer | Position | Local and County Government | |
| Adecco-Fairless Hills | Balitmore County Department of Recreation and Parks | ||
| Advanced Geoservices Corp | Berks County Conservancy | ||
| Baltimore County Department of Recreation and Parks | Berks County Conservation District | ||
| Berks County Conservancy | Berks County Planning Commission (Reading) | ||
| Berks County Conservation District | Chester County GIS Department | ||
| Berks County Planning Commission (Reading) | Intern | Chester County Health Department | |
| Center for Geographic Information | City of Lancaster | ||
| Chester County GIS Department | Ephrata Borough Electrical Utility | ||
| Chester County Health Department | Intern | Harrisburg City Bureau of Planning | |
| City of Lancaster | Hunterdon County Division of GIS | ||
| Clean Water Action Project (Phila.) | Intern | Lancaster County Board of Assessment Appeals | |
| Codorus State Park | Lancaster County Conservancy | ||
| Community Action Program | Lancaster County Emergency Management Agency | ||
| Donnelley GeoSystems, Inc. | GIS Intern | Lancaster County GIS Department | |
| Dove Christian Fellowship Int'l | Intern | Lancaster County Parks & Recreation | |
| Ephrata Borough Electrical Utility | GIS Technician | Lancaster County Planning Commission | |
| Funk's Farm Market | Intern | Lancaster County Planning Commission | |
| Gary M Flood, PLS | Lancaster County Planning Commission | ||
| Greater Plymouth Community Center | Lancaster County Planning Commission | ||
| Harrisburg City Bureau of Planning | Planning Intern | Lebanon County Soil Conservation Service | |
| Housing Development Corp. | Intern | Lower Pottsgrove Township | |
| Hunterdon County Division of GIS (New Jersey) | GIS Technician | Manheim Boro | |
| Iron Compass Map Co. | Maryland Nat'l Capitol Park& Plan. Comm. | ||
| James Buchanan Foundation-Wheatland | Montgomery County Planning Commission | ||
| Kleinschmidt Assocation | Paradise Township | ||
| Koch's Nursery Company | Pequea Township | ||
| Lancaster Campaign | Trexler Lehigh County Game Preserve | ||
| Lancaster County Board of Assessment Appeals | Union County Planning Commission | ||
| Lancaster County Conservancy | York County Planning Department | ||
| Lancaster County Emergency Management Agency | Intern | ||
| Lancaster County GIS Department | |||
| Lancaster County Parks & Recreation | Park Naturalist | State and Federal Government | |
| Lancaster County Planning Commission | Historic Pres. Intern | Codorus State Park | |
| Lancaster County Planning Commission | Advance Planning Intern | Landis Valley Museum | |
| Lancaster County Planning Commission | GIS Technician | Pennsylvania Dept. of Environmental Protection, Bureau of Waterways Engineering | |
| Lancaster County Planning Commission | Transportation Inern | Pennsylvania Dept. of Environmental Protection, Mapping and GIS division | |
| Lancaster Farmland Trust | Intern | Pennsylvania Dept. of Transportation | |
| Landis Valley Museum | US Geological Survey | ||
| Landstudies | |||
| Lebanon County Soil Conservation Service | Intern | Nonprofit & Educational | |
| Lower Pottsgrove Township | Intern | Clean Water Action Project (Phila.) | |
| Manheim Boro | Center for Geographic Information | ||
| Mapquest | Community Action Program | ||
| Martin O'Connell Associates | Intern | Dove Christian Fellowship Int'l | |
| Maryland Nat'l Capitol Park& Plan. Comm. | Intern | Greater Plymouth Community Center | |
| Matthew & Hockley Associates (Lebanon) | Draftsperson | Housing Development Corp. | |
| Mifflin County Department of Public Safety | Intern | James Buchanan Foundation-Wheatland | |
| Minder's Nursery | Intern | Lancaster Campaign | |
| Montgomery County Planning Commission | Lancaster Farmland Trust | ||
| MU Disaster Research Center | MU Disaster Research Center | ||
| Muddy Run Environmental Education Center | Environmental Ed.Intern | Nature Conservancy-Annville | |
| Nature Conservancy-Annville | Nature Conservancy-Conshohocken | ||
| Nature Conservancy-Conshohocken | Nolde Forest Environmental Education Center | ||
| Nolde Forest Environmental Education Center | Environmental Ed.Intern | North Museum of Natural History and Science | |
| North Museum of Natural History and Science | The Nature Conservancy, Phila. Region (Lanc.) | ||
| Nuteam, Inc | Wildlife Managers, Inc. | ||
| Paradise Township | Intern/Comp. Plan | ||
| Pennsylvania Dept. of Environmental Protection, Bureau of Waterways Engineering | Intern | Private companies | |
| Pennsylvania Dept. of Environmental Protection, Mapping and GIS division | GIS intern | Adecco-Fairless Hills | |
| Pennsylvania Dept. of Transportation | Intern | Advanced Geoservices Corp | |
| Pequea Township | Planning Intern | Gary M Flood, PLS | |
| Shadowlight Group | Iron Compass Map Co. | ||
| Susquehanna Aquacultures,Inc. (York Haven) | Intern | Kleinschmidt Assocation | |
| Ten Thousand Villages | Koch's Nursery Company | ||
| The Nature Conservancy, Phila. Region (Lanc.) | Stewardship Intern | Landstudies | |
| Tier De Inc | Mapquest | ||
| Traffic Planning and Design, Inc | Martin O'Connell Associates | ||
| Trexler Lehigh County Game Preserve | Matthew & Hockley Associates (Lebanon) | ||
| Union County Planning Commission | Minder's Nursery | ||
| US Geological Survey | Nuteam, Inc | ||
| Wayne County Department of Planning | Shadowlight Group | ||
| Wetlands Institute | Ten Thousand Villages | ||
| Wildlife Managers, Inc. | Intern | Tier De Inc | |
| Work and Travel Company | Traffic Planning and Design, Inc | ||
| York County Planning Department | Intern | Work and Travel Company | |