What we do

The Defence Infrastructure Organisation (DIO) plays a vital role in supporting our armed forces by building, maintaining and servicing the infrastructure needed to support defence.

DIO is part of the Ministry of Defence.

Read more about what we do

Contact DIO

Contacting DIO by email

Use this link to find the correct email address for your enquiry.

Office address

DIO Headquarters
Kingston Road
Sutton Coldfield
West Midlands

B75 7RL

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request
  2. Check our previous releases to see if we’ve already answered your question

Corporate information