Were you able to find the right 3 Providers within chamber-of-commerce ? If you're also a provider of chamber-of-commerce and you're not featured in the business directory yet, you can always Add an entry for free.
The results list for chamber-of-commerce in Boulder. You can find the best chamber-of-commerce vendors and providers in Boulder in the Boulder Business Directory. Currently there are 3 companies registered in the Boulder business directory under chamber-of-commerce.