The Transmission Repair Experts Transmission Repair Information and Problem Solving is the business of ATRA, the Automatic Transmission Rebuilders Association. ATRA is the world’s largest trade organization of transmission rebuilders, specialists and suppliers. Our mission is to provide you with the resources you need to keep your transmission running, or get it fixed quickly. Fixing transmission problems is our specialty. Whether it’s a simply repair or a complete rebuild you can be sure there’s an ATRA member nearby to help. Having problems with your check engine light? Your local ATRA member can help. Looking for transmission service advice? Your local ATRA member has the answers. You’ll find ATRA members throughout the USA and Canada. And with ATRA’s Golden Rule Warranty you have the comfort of knowing you’re covered by the largest network of automatic transmission repair specialists in the world. That kind of assurance makes the ATRA name the only one you need to trust. ATRA.com has a wealth of information on transmission repair and service. It is the most visited website in the transmission repair industry for that reason.
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The ATRA annual revenue was $8.8 million in 2026.
Charles Doyle is the Director and Vice President of ATRA.
76 people are employed at ATRA.
ATRA is based in Oxnard, California.
The NAICS codes for ATRA are [8111, 811, 811113, 81111, 81].
The SIC codes for ATRA are [75, 753].