Williamsport Creek AAMCO is proud to be one of the more than 900 AAMCO centers across North America, servicing 25 million transmissions over the past 50 years and earning AAMCO the distinction of World's Largest Transmission Specialist and fastest growing Total Car Care provider across the country. We are committed to quality work and customer service and have earned the following awards and certifications: Superlative Customer Achievement Award. AAMCO of Williamsport is under the same ownership since 1980. We are members of: The BBB Knowledge You Can Count On: Our transmission rebuilding capabilities are unparalleled. We can fix nearly every make and type of transmission. Our AAMCO center is staffed with technicians who specialize in repairing the most sophisticated system in your vehicle. They are simply the best in the business. Our state-of-the-art diagnostic equipment allows us to distinguish between minor and major repairs, saving you on unnecessary repair costs. Our technicians are trained in the latest diagnostic equipment and software. AAMCO has its own codebooks for diagnosing--something you won't find among our competitors.