Officers, Thank you for your interest in providing services on behalf of Sentry On-site Security Corp. Please download, complete and return the following company documents: Form W-9 Officer Information Rules/Regulations ACH Authorization Note: Paper checks are mailed to the address provided on the Form W-9. Completed documents can be returned to the company through either of the follow methods:Email: officer@sostx.us | Fax: (800) 936-3596