Lake Huron Credit Union's field of membership consists of Teamsters of the Local 486, anyone with a CDL driver's license, anyone who is employed for an automobile dealership or auto repair shop. Relatives of members are also eligible to join. Anyone who is 55 years of age or older and receiving a retirement annuity, a pension or social security check may also join. Small employer groups in a 25 mile radius of the Credit Union that do not have a Credit Union available to them are welcome to join.