Already have an account? Login If you are a prospective supplier and would like to provide a product or service to L3Harris, please visit our supplier website at https://www.l3harris.com/suppliers and fill out the Prospective Supplier Form. The purpose of this form is to provide L3Harris with basic information about your business. It does not put your firm on a bidder's list, but will assist in promoting your firm within the company. If the procurement department decides that the potential exists for building a mutually rewarding relationship, they will contact you.