- Lighthouse Baptist Church
- Lightner Farmhouse B & B
- Limited Too
- Lincoln Diner
- Lincoln Estates Mobile Home Pk
- Lincoln Intermediate Unit # 12
- Lincoln Room Museum
- Lincoln Trading Post
- Lincoln Train Museum
- Links At Gettysburg
- Little Brothers Saw Mill
- Little Orient Gift Shop
- Living Hope Presbyterian Chr
- Liz Claiborne Inc
- Localnet
- Locker Marketing
- Logue & Assoc
- Lola's Of Gettysburg
- Lone Star Brokerage
- Long & Foster Realtors
- Lord Nelson's Gallery
- Lordeman Associates
- Louis M Sanders Plastering
- Lower Marsh Creek Church
- Loyal Order Of Moose
- Ltp Rentals
- Lumber Yard
- Lutheran Counseling Svc Inc
- Lutheran Home Care Svc/Hospice
- Lutheran Social Svc
- Lutheran Technological Seminry
- Lutheran Theological Seminary
- M & M Marketing Assoc
- M & T Bank
- M & T Bank
- M J Gebhart General Contractor
- Mac Donald Cleaning Co
- Mac Gregor Behavioral Health
- Mac Pherson Design & Building
- Mac The Handyman
