Here is another letter you can add to what I imagine is a deep file of letters of appreciation.
I'd like to repeat what I said at the Northampton Historic Commission Awards Ceremony last week, that being:

On Saturday morning a tornado ripped the roofs off two buildings and displaced two others in the South Canal Project.  On very short notice, TCI responded to our urgent call for help...

I would like to take this opportunity to thank you for the outstanding job that you did on my building.  The attention to detail exceeded my expectation.

Your company was a pleasure to work with...