The trusted authority in transmission repair since 1954
Ready to Elevate Your Shop?
Join thousands of transmission professionals who trust ATRA to help them build better businesses. Your membership starts paying for itself from day one.
WHY JOIN ATRA
Eight reasons the best shops join — and stay.
Every benefit is designed to make your shop more profitable, more efficient, and more trusted in your market.
Tech Support Hotline
We spend thousands of dollars on vehicle research and answer more than 65,000 Technical call answered every year. Need help with a vehicle in your shop, give us a call Monday-Friday.
Golden Rule Warranty
Industry-leading nationwide inter-shop warranty program that builds customer trust and shop credibility.
GEARS Magazine
Monthly subscription to the industry's leading technical publication, included with every membership.
Training & Certification
ATRA online learning, in-person seminars, certification, and the annual Powertrain Expo — the most respected credentials in the industry.
Technical Library
Unlimited access to ATRA's expert technicians and 35,000+ technical documents, bulletins, and wiring diagrams.
Fix-It Forum
Private peer community where thousands of member shops share solutions, second opinions, and best practices.
ATRA Certification
Industry-recognized technician certification that proves your team's expertise to customers and insurers.
Supplier Network
Member-only pricing and access to a vetted network of parts, equipment, and service providers worldwide
ATRA MEMBERSHIP
How to Join
Verification
02
Verification
ATRA reviews your application and confirms your business details.
TESTIMONIALS
How ATRA has helped other shops.
"ATRA's technical hotline has saved us countless hours of diagnostic time. It pays for the membership ten times over."
MIKE RODRIGUEZ
Shop Name, City, ST
Member since 2008
"The Golden Rule Warranty program gives our customers confidence. It's a game-changer for building trust and repeat business."
SARAH CHEN
Shop Name, City, ST
Member since 2008
"Being listed on ATRA's shop finder brought us a steady stream of new customers looking for a trusted shop. Best investment we've made."
JAMES WALKER
Shop Name, City, ST
Member since 2008
CONSUMERS
Membership
Information
Benefits
Golden Rule Warranty
Join ATRA
INDUSTRY NEWS
TRAINING & EVENTS
ABOUT ATRA
Our Story
Code of Ethics
Careers
Contact Us