56 countries, organisations and territories were invited by the Department for International Trade Defence and Security Organisation (DIT DSO) to attend Defence and Security Equipment International (DSEI) 2017.
47 countries attended, marked below with a *:
- Algeria
- Australia *
- Austria
- Bahrain *
- Bangladesh *
- Belgium *
- Botswana *
- Brazil *
- Brunei
- Bulgaria *
- Canada *
- Chile *
- Colombia *
- Czech Republic
- Denmark *
- Egypt *
- Estonia *
- Finland *
- France *
- Germany *
- India *
- Indonesia
- Italy *
- Japan *
- Kenya
- Korea (Rep of) *
- Kuwait *
- Latvia *
- Lithuania *
- Malaysia *
- Mexico
- Netherlands *
- New Zealand *
- Norway *
- Oman *
- Pakistan *
- Panama
- Peru *
- Philippines *
- Poland *
- Portugal *
- Qatar *
- Romania *
- Saudi Arabia *
- Singapore *
- South Africa *
- Spain *
- Sweden*
- Switzerland *
- Taiwan *
- Thailand *
- Turkey *
- UAE *
- Ukraine *
- USA *
- Vietnam