Please select one of the options below if you wish to ask a question, make a complaint, or raise a concern about UTC's accounting, internal accounting controls, auditing or other matters.

By mail or courier:

Board of Directors
United Technologies Corporation
United Technologies Building
Hartford, CT, USA 06101
Attn: Business Practices (MS 524)

By electronic mail:

Communications may be directed to the board of directors, the presiding director, or one or more non-management members of the board. All communications will be received and processed by UTC's Business Practices Office.

UTC employees can raise questions or concerns confidentially and anonymously using the Ombuds/DIALOG program.