• Athens (Spalding Memorial)
• Canton (Green Free)
• Monroeton (Monroeton Public)
• New Albany (New Albany Community)
• Sayre (Sayre Public)
• Towanda (Towanda Public)
• Troy (Allen F. Pierce Free)
• Bradford County (Bradford County)
• Ulster (Mather Memorial)
• Wyalusing (Wyalusing Public)

Clinton County

• Lock Haven (Annie Halenbake Ross)
  Branches
  • Renovo
  • Beech Creek

Columbia County

• Berwick (McBride Memorial)
• Bloomsburg (Bloomsburg Public)
• Columbia County Traveling (same)
• Orangeville  (Orangeville Public)

• Hughesville (Hughesville Area Public)
• Jersey Shore (Jersey Shore Public)
• Montgomery (Montgomery Area Public)
• Montoursville (Dr. W.B. Konkle Memorial)
• Muncy (Muncy Public)
• Williamsport (James V. Brown)
  (District Center)

Montour County

• Danville (Thomas Beaver Free)
  
  

Northumberland County

• McEwensville (Montgomery House Warrior Run Area Public)
• Milton (Milton Public)
• Northumberland (Priestley Forsyth Memorial)
• Sunbury (Degenstein Community)

Potter/Tioga Library System
(P=Potter County  T=Tioga County)

Potter-Tioga Library System website

• Blossburg (Blossburg Memorial) - T
• Coudersport (Coudersport Public) - P
• Elkland  (Elkland Area Community) - T
• Galeton (Galeton Public) - P
• Genesee (Genesee Area) - P
• Knoxville (Knoxville Public) - T
• Mansfield (Mansfield Free Public) - T
• Shinglehouse (Oswayo Valley Memorial) - P
• Ulysses (Willis I. Lewis Memorial / Ulysses Public) - P
• Wellsboro (The Green Free) - T
• Westfield (Westfield Public) - T

• Beavertown (Beavertown Community)
• McClure (McClure Community)
• Middleburg (Middleburg Community)
• Selinsgrove (Selinsgrove Community)

Sullivan County

• Dushore ( Sullivan County)

Union County Library System

• Laurelton (West End)
• Lewisburg (The Public Library for Union County)
• Mifflinburg (Herr Memorial)