Executive Security & Training Services Ltd
- Close protection and security training company based in the United Kingdom. Includes services and training programs provided, and references.
- http://www.specialist-security.com/

Executive Self Defense Training
- Training team specializing in the education of corporate personnel and experience in travel to high risk areas. United States.
- http://force-pro.com

ESI
- Executive protection and bodyguard training academy. Offers an associate of applied science degree in criminal justice or certification with a major in dignitary and executive protection, personal protection, security specialist or protective intelligence
- http://www.esi-lifeforce.com/

Best Alert
- Offers training for bodyguards, private investigators, professional chauffeurs, security managers and security guards. Based in the Netherlands they provide information in English, German and Dutch. Details cover course vacancies, links, photos and the ap
- http://www.bestalert.com