| Name |
County |
| Manor Township Police Department |
Lancaster County |
| Mansfield Borough Police Department |
Tioga County |
| Mansfield University Police Department |
Tioga County |
| Marcus Hook Police Department |
Delaware County |
| Marion Township Police Department |
Beaver County |
| Marion Township Police Department |
Berks County |
| Marlborough Township Police Department |
Montgomery County |
| Marple Township Police Department |
Delaware County |
| Mars Borough Police Department |
Butler County |
| Martinsburg Borough Police Department |
Blair County |
| Marysville Police Department |
Perry County |
| Masontown Borough Police Department |
Fayette County |
| Mayfield Boro Police Department |
Lackawanna County |
| McAdoo Police Department |
Schuylkill County |
| McCandless Township Police Department |
Allegheny County |
| McDonald Borough Police Department |
Washington County |
| McKean County Sheriff's Office |
McKean County |
| McKees Rocks Police Department |
Allegheny County |
| McKeesport Police Department |
Allegheny County |
| McSherrystown Police Department |
Adams County |
| Meadville City Police Department |
Crawford County |
| Mechanicsburg Borough Police Department |
Cumberland County |
| Media Police Department |
Delaware County |
| Mercer Borough Police Department |
Mercer County |
| Mercer County Sheriff's Office |
Mercer County |
| Mercersburg Police Department |
Franklin County |
| Meyersdale Borough Police Department |
Somerset County |
| Middleburg Borough Police Department |
Snyder County |
| Middlesex Police Department |
Cumberland County |
| Middlesex Township Police Department |
Butler County |
| Middletown Borough Police Department |
Dauphin County |
| Middletown Township Police Department |
Bucks County |
| Midland Borough Police Department |
Beaver County |
| Mifflin County Regional Police Station |
Mifflin County |
| Mifflin County Sheriff's Office |
Mifflin County |
| Mifflinburg Police Department |
Union County |
| Milford Borough Police Department |
Pike County |
| Mill Hall Police Department |
Clinton County |
| Millbourne Borough Police Department |
Delaware County |
| Millcreek Township Police Department |
Lebanon County |
| Millcreek Township Police Department |
Erie County |
| Millersburg Borough Police Department |
Dauphin County |
| Millersville Borough Police Department |
Lancaster County |
| Millersville University Police Department |
Lancaster County |
| Millvale Borough Police Department |
Allegheny County |
| Milton Borough Police Department |
Northumberland County |
| Minersville Police Department |
Schuylkill County |
| Mohnton Police Department |
Berks County |
| Monaca Police Department |
Beaver County |
| Monessen Police Department |
Westmoreland County |
| Monongahela Police Department |
Washington County |
| Monroe County Sheriff's Office |
Monroe County |
| Monroeville Police Department |
Allegheny County |
| Montgomery Borough Police Department |
Lycoming County |
| Montgomery County Sheriff's Office |
Montgomery County |
| Montgomery Township Police Department |
Montgomery County |
| Montour County Sheriff's Office |
Montour County |
| Montour Township Police Department |
Columbia County |
| Montoursville Borough Police Department |
Lycoming County |
| Montrose Borough Police Department |
Susquehanna County |
| Moon Township Police Department |
Allegheny County |
| Moore Township Police Department |
Northampton County |
| Moosic Police Department |
Lackawanna County |
| Morris - Cooper Police Department |
Clearfield County |
| Morrisville Borough Police Department |
Bucks County |
| Morton Borough Police Department |
Delaware County |
| Moscow Boro Police Department |
Lackawanna County |
| Mount Carmel Borough Police Department |
Northumberland County |
| Mount Carmel Township Police Department |
Northumberland County |
| Mount Holly Springs Police Department |
Cumberland County |
| Mount Jewett Police Department |
McKean County |
| Mount Joy Police Department |
Lancaster County |
| Mount Lebanon Police Department |
Allegheny County |
| Mount Oliver Borough Police Department |
Allegheny County |
| Mount Pleasant Borough Police Department |
Westmoreland County |
