FIRST NATION CAUCUS
| Aundeck-Omni-Kaning FN |
| Mattagami FN |
| Naotkamegwanning FN |
| Ojibways of the Pic River FN |
| Rainy River FN |
| Sagamok Anishnawbek FN |
| Seine River FN |
| Sheshegwaning FN |
| Thessalon FN |
| Algonquins of Pikwakanagan Public Library |
| Michipicoten FN |
| Whitefish River First Nation |
| M’Chigeeng First Nation Public Library |
| Wahta First Nation |
| Chippewas of Nawash- Ninda-Kikaendjigae |
| Magnetawan First Nation Public Library |
| Six Nations Public Library |
| Wikwemikong First Nation Public Library |
| Chippewas of Rama PL |
| Lac Seul First Nation |
| Wabauskang First Nation |
| Curve Lake FN |
| Saugeen First Nation (NEW) |
| Chippewas of Georgina Island FN |
| Mississaugas of the New Credit FN |
| Chippewas of the Thames FN-CLOSED MAY 2019 |
| Chippewas of Kettle and Stony Point |
| Sachigo Lake FN |
| Shawanaga FN |
| Wasauksing FN |
| Mississaugas of Scugog Island FN |
| Atikameksheng Anishnawbek Band No. 6 FN |
| Mississauga FN |
| Delaware FN |
| Mohawks of the Bay of Quinte Kanhiote Tyeninaga Territory Public Library |
| Garden River FN |
| Big Grassy FN |
| Dokis FN |
| Beausoleil First Nation Public Library |
| Alderville First Nation Public Library |
| Serpent River FN |
| Nipissing FN |
| Bkejwanong FN |
| Iskatewizaagegan First Nation PL |
| Akwesasne Library & Cultural Centre (Mohawks of) |
| Temagami FN |
| Henvey Inlet FN |
FRANCOPHONE CAUCUS
| Alfred Plantagenet Public Library |
| Armstrong Township Public Library |
| Clarence-Rockland Public Library |
| Moonbeam Public Library |
| Russell Public Library/Bibliotheque Publique de Russell |
| Val Rita Harty Public Library |
| Bibliotheque Publique de Hearst Public Library |
| Fauquier Strickland Public Library |
LARGE URBAN CAUCUS (CELUPL)
| Ajax Public Library |
| Barrie Public Library |
| Brampton Public Library |
| Brantford Public Library |
| Burlington Public Library |
| Clarington Public Library |
| Guelph Public Library |
| Hamilton Public Library |
| Cambridge Idea Exchange |
| Kitchener Public Library |
| Kingston Frontenac Public Library |
| London Public Library |
| Markham Public Library |
| Milton Public Library |
| Mississauga Library System |
| Newmarket Public Library |
| Niagara Falls Public Library |
| Oakville Public Library |
| Oshawa Public Library |
| Ottawa Public Library |
| Pickering Public Library |
| Richmond Hill Public Library |
| Sault Ste. Marie Public Library |
| St. Catharines Public Library |
| Thunder Bay Public Library |
| Vaughan Public Libraries |
| Whitby Public Library |
| Windsor Public Library |
SMALL MEDIUM CAUCUS
| Addington Highlands Public Library |
| Arnprior Public Library |
| Aurora Public Library |
| Belleville Public Library |
| Blue Mountains Public Library |
| Bracebridge Public Library |
| Bradford West Gwillimbury Public Library |
| Brighton Public Library |
| Brockville Public Library |
| Caledon Public Library |
| Cavan Monaghan Public Library |
| Cobourg Public Library |
| Collingwood Public Library |
| Cornwall Public Library |
| East Gwillimbury Public Library |
| Emo Township Public Library |
| Fort Erie Public Library |
| Gananoque Public Library |
| Georgina Public Library |
| Gravenhurst Public Library |
| Grimsby Public Library |
| Haldimand County Public Library |
| Halton Hills Public Library |
| Hanover Public Library |
| Huntsville Public Library |
| Innisfil Public Library |
| King Township Public Library |
| Lake of Bays Public Library |
| Leeds & The Thousand Islands Public Library |
| Lincoln Public Library |
| Madawaska Valley Public Library (formerly Barry’s Bay and Area) |
| Massey and Township Public Library |
| Meaford Public Library |
| Midland Public Library |
| Mississippi Mills Public Library |
| Muskoka Lakes Public Library |
| Nation Public Library |
| New Tecumseth Public Library |
| Niagara-on-the-Lake Public Library |
| Orangeville Public Library |
| Orillia Public Library |
| Otonabee-South Monaghan Public Library |
| Owen Sound & North Grey Union Public Library |
| Penetanguishine Public Library |
| Perth East Public Library |
| Petawawa Public Library |
| Peterborough Public Library |
| Port Colborne Public Library |
| Port Hope Public Library |
| Powassan & District Union Public Library |
| Quinte West Public Library |
| Renfrew Public Library |
| Rideau Lakes Public Library |
| Selwyn (Township of) Public Library (formerly Smith-Ennismore-Lakefield) |
| Shelburne Public Library |
| Smiths Falls Public Library |
| St. Marys Public Library |
| St. Thomas Public Library
Springwater Township Public Library |
| Stratford Public Library |
| Thorold Public Library |
| Trent Lakes Public Library (formerly: Galway-Cavendish & Harvey Township) |
| Tweed Public Library |
| Wainfleet Township Public Library |
| Waterloo Public Library |
| Welland Public Library |
| West Grey Public Library |
| Whitchurch-Stouffville Public Library |
| Woodstock Public Library |
| Timmins Public Library |
NORTHERN CAUCUS
| Assiginack Public Library |
| Atikokan Public Library |
| Black River-Matheson Public Library |
| Blind River Public Library |
| Bonfield Public Library |
| Bruce Mines & Plummer Additional Union Public Library |
| Burk’s Falls, Armour & Ryerson Union Public Library |
| Callander Public Library |
| Chapleau Public Library |
| Cobalt Public Library |
| Cochrane Public Library |
| Dorion Public Library |
| Dryden Public Library |
| Ear Falls Public Library |
| East Ferris Public Library |
| James Township Public Library (formerly Elk Lake Public Library) |
| Elliot Lake Public Library |
| Englehart Public Library |
| Espanola Public Library |
| Fort Frances Public Library |
| Greenstone Public Library |
| Ignace Public Library |
| Iroquois Falls Public Library (Bibliotheque Publique De Iroquois Falls Public Library) |
| Kapuskasing Public Library |
| Kearney & Area Public Library |
| Kirkland Lake / Teck Centennial Public Library |
| Larder Lake Public Library |
| Markstay-Warren Public Library |
| McGarry Public Library |
| Nipigon Public Library |
| Parry Sound Public Library |
| Perry Township Public Library |
| Red Lake Public Library |
| Red Rock Public Library |
| Seguin Township Public Library |
| Sioux Lookout Public Library |
| South River/Machar Union Public Library |
| Sundridge-Strong Union Public Library Board |
| Temiskaming Shores Public Library |
| Terrace Bay Public Library |
| Thessalon Union Public Library |
| Wawa Public Library |
| West Nipissing Public Library |
| White River Public Library |
| Whitestone-Hagerman Public Library |
| French River Public Library |
| Georgian Bay Public Library |
| Hornepayne Public Library |
| Oliver Paipoonge Library |
| Schreiber Public Library |
| St. Charles Public Library |
| St. Joseph Township Public Library |
RURAL CAUCUS
| Alnwick/Haldimand Public Library |
| Asphodel-Norwood Public Library |
| Bancroft Public Library |
| Bonnechere Public Library |
| Brant (County of) Public Library |
| Brock Township Public Library |
| Bruce County Public Library |
| Carlow/Mayo |
| Carleton Place Public Library |
| Centre Hastings Public Library |
| Chatham-Kent Public Library |
| Clearview Public Library |
| Deep River Public Library |
| Essa Public Library |
| Grand Valley Public Library |
| Greater Madawaska (Township of ) Public Library |
| Grey Highlands Public Library |
| Hastings Highlands Public Library |
| Kawartha Lakes (City of) Public Library |
| Killaloe & District Public Library |
| Lanark Highlands Public Library |
| Laurentian Hills Public Library |
| Marmora & Lake Public Library |
| Merrickville Public Library |
| North Kawartha Public Library |
| North Perth Public Library |
| Pelham Public Library |
| Prescott Public Library |
| Ramara Public Library |
| Severn Township Public Library |
| Stirling-Rawdon Public Library |
| Tay Township Public Library |
| Trent Hills Public Library |
| West Lincoln Public Library |
| West Perth Public Library |
SMALL MEDIUM CAUCUS
| Addington Highlands Public Library |
| Arnprior Public Library |
| Aurora Public Library |
| Belleville Public Library |
| Blue Mountains Public Library |
| Bracebridge Public Library |
| Bradford West Gwillimbury Public Library |
| Brighton Public Library |
| Brockville Public Library |
| Caledon Public Library |
| Cavan Monaghan Public Library |
| Cobourg Public Library |
| Collingwood Public Library |
| Cornwall Public Library |
| East Gwillimbury Public Library |
| Emo Township Public Library |
| Fort Erie Public Library |
| Gananoque Public Library |
| Georgina Public Library |
| Gravenhurst Public Library |
| Grimsby Public Library |
| Haldimand County Public Library |
| Halton Hills Public Library |
| Hanover Public Library |
| Huntsville Public Library |
| Innisfil Public Library |
| King Township Public Library |
| Lake of Bays Public Library |
| Leeds & The Thousand Islands Public Library |
| Lincoln Public Library |
| Madawaska Valley Public Library (formerly Barry’s Bay and Area) |
| Massey and Township Public Library |
| Meaford Public Library |
| Midland Public Library |
| Mississippi Mills Public Library |
| Muskoka Lakes Public Library |
| Nation Public Library |
| New Tecumseth Public Library |
| Niagara-on-the-Lake Public Library |
| Orangeville Public Library |
| Orillia Public Library |
| Otonabee-South Monaghan Public Library |
| Owen Sound & North Grey Union Public Library |
| Penetanguishene Public Library |
| Perth East Public Library |
| Petawawa Public Library |
| Port Colborne Public Library |
| Port Hope Public Library |
| Powassan & District Union Public Library |
| Quinte West Public Library |
| Renfrew Public Library |
| Rideau Lakes Public Library |
| Selwyn (Township of) Public Library (formerly Smith-Ennismore-Lakefield) |
| Shelburne Public Library |
| Smiths Falls Public Library |
| Springwater |
| St. Marys Public Library |
| St. Thomas Public Library |
| Stratford Public Library |
| Thorold Public Library |
| Trent Lakes Public Library (formerly: Galway-Cavendish & Harvey Township) |
| Tweed Public Library |
| Wainfleet Township Public Library |
| Welland Public Library |
| West Grey Public Library |
| Whitchurch-Stoufville Public Library |
| Woodstock Public Library |
| Timmins Public Library |
TORONTO CAUCUS
| Toronto Public Library |
Associate Members
| AMPLO |
| ARUPLO |
| County of Simcoe |
| CUPE Ontario |
| OLA |
| Library Services Centre |
| OLS-North |
| SOLS |
Non Members
| Admaston/Bromley Twp |
| Athens Twp |
| Augusta Twp |
| Billings Twp |
| Central Manitoulin Twp |
| Champlain Twp |
| Cramahe Twp |
| Deseronto |
| Douro-Dummer Twp |
| Dubreuilville Twp |
| East Gwillimbury |
| Edwardsburgh/Cardinal Twp |
| Elgin County |
| Elizabethtown – Kitley |
| Essex County |
| Front of Yonge Twp |
| Gore Bay Union |
| Greater Sudbury |
| Haliburton County |
| Havelock-Belmont-Methuen Twp |
| Hawkesbury |
| Head, Clara & Maria |
| Hilton Union |
| Huron County |
| Huron Shores |
| Kenora City |
| Lambton County |
| Lennox and Addington County |
| Magnetawan Twp |
| Manitouwadge |
| Marathon |
| Mattawa |
| Mattice-Val Cote Twp |
| McKellar Twp |
| Middlesex County Library |
| Norfolk County |
| North Bay |
| North Grenville Twp |
| Northeastern Manitoulin and the Islands |
| Opasatika |
| Oxford County |
| Pembroke |
| Perth and District Union |
| Peterborough Public Library |
| Prince Edward County |
| Prince Twp Public Library |
| Sables-Spanish Rivers Twp |
| Scugog Memorial |
| Sioux Narrows Nestor Falls Twp |
| Smooth Rock Falls |
| South Algonquin Twp |
| Southgate Twp. |
| Spanish Twp |
| Stormont, Dundas & Glengarry County |
| Tehkummah Twp |
| Tudor & Cashel Twp |
| Tyendinaga Twp |
| Uxbridge Twp |
| Wasaga Beach |
| Waterloo |
| Westport |
| Whitewater Region |