What companies offer bike insurance?

Most if not all insurance companies that insure automobiles will insure motorcycles. This includes Geico, Allstate, Nationwide and many others. There are also online companies that will insure motorcycles. Just do a search on the internet for insurance to find companies that will isure motorcycles. If looking for bicycle insurance, it may not be worth it. The insurance may cost more than the bike itself. Check with any insurance company to see if bike or motorcycle insurance if available.