A Resubmission of Proposal sample letter.
Our proposal to [proposed service] was submitted to you some time ago. Since we haven't heard from you, we wanted to be sure that it was brought to your attention. We are enclosing a copy of our original proposal for your review.
As you will note, the price quoted is good for 30 days following the submission of our bid. Therefore, we thought it would be wise to check with you at this time to see if you are interested in having us [service to be performed]
We will be looking forward to your reply and hope that we will have the opportunity to be of service to you in the near future.