Registering in portals allows you to provide information specific to what that portal owners deems as important to their business. Once you complete the application segments that are a part of the registration process, the portal owner will review your application based on variables. If your product offerings and qualifications match what they are looking for, they will reach out to you via email on the portal site, email you directly or via an Opportunity Posting. Registration is your electric business card for them to view you. It is imperative to keep your information up to date.