INTRODUCTION OF BUSINESS - PERSUSIVE LETTER

I AM A POWERWASHING COMPANY WANTING A LETTER DESCRIBING WHO WE ARE, WHAT WE DO, AND HOW THE BENIFITS OF POWERWASHING AND CLEANING RESIDENTIAL AND COMMERCIAL PROPERTY FOR RE SELL IS BENIFICIAL TO THEM. I AM TRYING TO GAIN LONG TERM BUSINESS WITH COMPANIES SUCH AS REALTY COMPANIES AND PROPERTY MANAGMENT COMPANIES