* Arlen Ness Motorcycles: Arlen Ness is a legendary custom motorcycle builder who has been building choppers for over 50 years. His shop is located in Dublin, California, and they offer a wide variety of custom services, including frame modification, engine work, and paint and bodywork.
* Big Bear Choppers: Big Bear Choppers is another leading custom motorcycle builder, known for their innovative designs and high-quality craftsmanship. Their shop is located in Big Bear Lake, California, and they offer a variety of custom services, including frame and engine work, and CNC machining.
* Chop Cult: Chop Cult is a website and community dedicated to chopper culture. They have a great forum where you can find advice and inspiration for your own chopper project, and they also host a number of chopper events throughout the year.
* Local motorcycle shops: There are also many great local motorcycle shops that can help you customize your chopper. These shops typically have a team of experienced mechanics who can handle a variety of custom projects, and they can also help you find the parts you need to make your dream bike a reality.
When choosing a place to customize your chopper motorcycle, it's important to do your research and make sure you're choosing a shop that has a good reputation and a proven track record of success. You should also set a budget for your project and make sure you understand the different services that the shop offers. With a little planning, you can create the chopper of your dreams and enjoy riding it for years to come.