Associated Trans-Motive Fleet Service has been in the auto repair industry for over 18 years in Houston, TX. We do it all from oil changes to overhauling engines. We're your one stop shop for your vehicles need. Associated Trans-Motive Fleet Service has been in the auto repair industry for over 18 years in Houston, TX. We do it all from oil changes to overhauling engines. We're your one stop shop for your vehicles need.