While I don't have access to real-time data, I can provide you with some well-known watch component manufacturers in the USA that may produce Geneva Drives. It's important to note that availability and specific product offerings may vary. Here are a few notable manufacturers that you can consider:
RGM Watch Co. (Roland G. Murphy): RGM Watch Co. is an American watch company based in Pennsylvania. They specialize in producing high-quality mechanical watches, including their in-house movements. They may have the capability to manufacture Geneva Drive components.
Keaton Myrick: Keaton Myrick is a watchmaker and designer based in Oregon. He specializes in creating custom watches and components, including Geneva Drives. You can reach out to him directly to inquire about his manufacturing capabilities.
LaCalifornienne: LaCalifornienne is a California-based company known for customizing and restoring vintage watches. While they focus on watch customization, they may have knowledge of Geneva Drives and could potentially offer manufacturing services or provide guidance on sourcing.
Micro Precision Parts Manufacturing Ltd.: Micro Precision Parts Manufacturing Ltd. is a precision machining company based in California. They specialize in producing high-quality components for the watch industry, including Geneva Drives. They may be able to assist with manufacturing Geneva Drive components based on your specific requirements.