OBDII Resource Centre: On-board diagnostics resource centre from Colorado State University.

National Association of Fleet Administrators, Inc.: NAFA is a not-for-profit, individual membership professional society serving the needs of Members who manage fleets of automobiles, SUVs, trucks, vans, and a wide range of specialized mobile equipment for organizations in the United States and Canada.

National Association of Fleet Administrators:The National Association of Fleet Administrators, Inc. (NAFA) is a not-for-profit, individual membership professional society serving the needs of members who manage fleets of automobiles for organizations in the United States and Canada.