Dear :

I'm writing to invite your bid for a security survey of our warehouse at [address].

For the past months, we have suffered expensive losses from burglaries and thefts. Despite the security measures we have taken, we estimate that about $ worth of goods have been stolen. To prevent further losses, we are seeking professional assistance. Would you please bid for the following services:

1.

2.

3.

Due to the urgency of our problem, we hope to receive your bid by [date]. If you require any additional information, please call me at [phone number].

Sincerely yours,

[name]

[title]