Join the Chamber’s “110% Club!” When you voluntarily pay just 10% over your annual dues, you will be helping the Chamber to promote your business and our ability to support the economic vitality of San Rafael. When you join the 110% Club your business will be recognized as a “110% Club” member in publications throughout the year, such as the monthly publications E-Brief for Business and/or E-Vents Insider. Club members are also promoted on our website (see the list of members below) and publicly acknowledged on our social media feeds on Facebook and Twitter. By contributing an extra 10%, you will not only be helping to promote your business, but you will be a big part of helping the Chamber to promote San Rafael's economic vitality. So remember to renew your membership and become a member of the 110% Club!