The Mokena Chamber of Commerce exists to advance the general welfare and the prosperity of the business community so that - i ... ts Members and Communities shall - prosper. The mission of the Mokena Chamber of Commerce is to make businesses proud to call Mokena their home. To encourage businesses to view membership in the Chamber as a privilege not an expectation. To provide additional opportunities for residents to learn more about businesses and for businesses to learn more about other businesses. To provide businesses with more resources for showcasing their wares / services. read more