Crestline est un fier membre de nombreuses associations locales, nationales et internationales.
Associations locales
Canada
• North Saskatoon Business Association
• Chambre de commerce de Saskatoon
• Saskatoon Regional Economic Development Authority
• Chambre de commerce de la Saskatchewan
• Saskatchewan Trade & Export Partnership
• Ontario Association of Paramedic Chiefs
• Ontario Long Term Care Association
• Ontario Public Transit Association
• Ontario Motor Coach Association
• Ontario Retirement Communities Association
• Association des foyers de soins du Nouveau-Brunswick
États-Unis
• California Ambulance Association
• Minnesota Ambulance Association
• Michigan Association of Ambulance Services
Associations nationales
Canada
• Association des manufacturiers et exportateurs
• Association canadienne du transport urbain
• Paramedic Chiefs of Canada
États-Unis
• Association of the Work Truck Industry - Ambulance Manufactures Division