NMP offers one of the broadest line of products in the industry today. Studies show the more products a client has with you, the longer you retain them. Additionally, the more solutions you have, the more likely at least one will meet a need the client has, thus increasing your chance of adding them as a client. You aren't in the insurance, investment, or mortgage business.
You're in the financial services business...Why not offer the broadest array of products possible?
*NMP offers many more companies than listed above.