The Alliance of Canadian Agrology Regulators (ACAR) consists of 10 provincial institutes.

• British Columbia Institute of Agrologists (BCIA)
• Alberta Institute of Agrologists (AIA)
• Saskatchewan Institute of Agrologists (SIA)
• Agrologists Manitoba (AgMB)
• Ontario Institute of Agrologists (OIA)
• Ordre des agronomes du Québec (OAQ)
• New Brunswick Institute of Agrologists (NBIA)
• Prince Edward Island Institute of Agrologists (PEIIA)
• Nova Scotia Institute of Agrologists (NSIA)
• Newfoundland Labrador Institute of Agrologists (NLIA)