com/bCom, click the “Register” button and complete the registration form ensuring all required fields are populated. You will need to enter your 8-digit 3M account number. Registering for access to a secured 3M system or application requires that a 3M representative provide you with an appropriate Registration Code. Depending on your access, here you will find. As a 3M supplier you would be expected to meet certain key requirements as outlined below. Our supplier relationship needs to help support organic 3M growth, reduce costs, improve 3M productivity and either reduce 3M's working capital demands or increase 3M's cash flow. Access bCom to purchase products.