The 2 or 3-letter codes are used to identify the libraries for reports and logins.  The ALL-CAPS codes are the official codes used by the ILS.

BE     BERLIN  (Berlin Public Library)

BR     BRANDON  (Brandon Public Library)

CA      CAMPBLSPRT  (Campbellsport Public Library)

CO     COLOMA  (Coloma Public Library)

EN     ENDEAVOR  (Endeavor Public Library)

GR    GREENLAKE  (Caestecker Public Library)

HA     HANCOCK  (Hancock Public Library)

KI      KINGSTON (Mill Pond Public Library)

MA     MARKESAN  (Markesan Public Library)

ME     MENASAH  (Elisha D. Smith Public Library)

MO     MONTELLO (Montello Public Library)

NE     NEENAH (NeenaH Public Library)

NES   NESHKORO  (Neshkoro Public LIbrary)

NF     NFONDDULAC (Spillman Public Library)

OA     OAKFIELD (Oakfield Public Library)

OM     OMRO   (Carter Memorial Library)

OS     OSHKOSH  (Oshkosh Public Library)

OX     OXFORD (Oxford Public Library)

PA      PACKWAUKE (Packwaukee Public Library)

PI      PINERIVER (Leon-Saxeville Public Library)

PL     PLAINFIELD (Plainfield Public Library)

PO     POYSIPPI (Poysippi Public Library)

PR     PRINCETON (Princeton Public Library)

RE     REDGRANITE (Redgranite Public Library)

RI      RIPON (Ripon Public Library)

WA    WAUTOMA (Wautoma Public Library)

WE    WESTFIELD  (Ethel Everhard Memorial Library)

WI     WILDROSE (Patterson Memorial Library)

WN    WINNECONNE (Winneconne Public Library)

WXT   WCTS (Winnefox Cooperative Technical Services)

WX     WINNEFOX (Winnefox Library System)