Besides manufacturer websites, there are many additional sources for repair information.  Costs and terms for access to these information sources vary.  Links to as many as possible are provided below; if there are additional third-party information providers that should be included in the list, please contact NASTF with details.

Alldata

Audatex

CARDONE Industries

CCC Information Services

Chilton

Helm, Inc.

Identifix

Mitchell 1

Mitchell International, Inc.

Motor Information Systems

Standard Motor Products

Transmission Rebuilders Network