Guardian Services is a world leader in special hazards fire protection for Industrial and Marine Fire Hazards. GSI offers consulting services, fire safety seminars, expert witness services and training courses related to fire and explosion, and fire suppression systems. GSI specializes in research and development, specification, design, startup, review and investigations related to fire extinguishing systems for special hazards. GSI is a leader in the development and use of systems containing Halon alternatives such as FM-200, FE-13, FE-25 and Novec®. GSI provides expert direction in development of inert gas systems such as Inergen® and Argonite®. GSI likewise has done research and development on water mist systems. Traditional agents including carbon dioxide, foam and dry chemical complete the arsenal of fire protection systems which GSI has developed in the laboratory, obtained 3rd party approval, and applied in actual field installations.