Introductory Letter For Employment Can Someone Help Me Create An Introductory Letter For My Staffing Agency?

Can someone help me create an introductory letter for my staffing agency? - introductory letter for employment

I started an agency for small and I on a number of companies in the areas of research that employs them. I do not know what to say. Can you help me? Are there any tips or advice for me to come on board. I have many many applicants who want a job. I have no work for them.