HOW TO START A BUSINESS NETWORKING WITH DIFFERENT VENDORS.I WOULD LIKE TO CONNECT THESE VENDORS TO A BUSINESS?

I devise to work as the commercial operation chairman who finds opposite vendors for this business. Is this profitable? Is this the great plan?Do I encounter initial with the commercial operation with my idea, or do I begin with the vendors initial , or do I begin my own webpage as well as have the vendors as partial of which first?