Guardian Services, Inc.
Fire Protection   Research and Development   Consulting   Marine and Industrial


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"The reward for work well done is the opportunity to do more work."  (Jonas Salk)

For 38 years, these words of Jonas Salk have served as the motto of Guardian Services.  2023 marks the 38th anniversary of GSI providing consulting and expert witness services related to fire and explosion hazards and protection.

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Guardian Services, Inc. was established in 1985 to provide scientific and technical assistance to those who design, manufacture, test and use fire protection systems.   GSI is a world leader in development and application of special hazards fire protection.  GSI provides consulting services and expert witness services.

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Company Profile

GSI has broad experience ranging from basic research on new fire protection agents to installation and startup of fire protection systems. 
GSI has designed systems to protect hazards ranging from commercial kitchens to nuclear power plants.  
GSI has successfully implemented fire protection strategies in unusual hazards and extreme environmental conditions. 
GSI has successfully worked with International Marine approval agencies and classification societies to qualify fire fighting equipment for shipboard use.
GSI has considerable experience in Arctic environments.
GSI is the world leader in research into the flow of gaseous fire suppression agents (Halon alternatives, carbon dioxide, Inert gases such as Inergen and Argonite, FM200, FE13) in pipelines and nozzles.
GSI produces and presents customized training programs covering a wide range of fire and safety related topics.
Clients include ARCO, E.I. duPont, Tyco International, ALYESKA Pipeline Service Co., FIREATER of Scotland, British Petroleum, North American Fire Guardian of Canada, Lockheed Martin, Victaulic Corporation, Johnson Controls, Underwriters Laboratories, U.S. Fire Administration (FEMA), Wormald Fire Protection, Chemetron Fire Systems, Fike Metal Products, General Fire Extinguisher Corporation, Pyrotronics, Scottsdale Insurance Co., Automatic Sprinkler Corporation of America, Liberty Mutual Insurance Co., ANSUL Fire Protection, Federal Express(FEDEX), New York Power Authority, Total Walther, Ginge-Kerr, Sandia National Laboratories and Seymour Johnson Air Force Base.
Our President and Senior Consultant, Tom Wysocki, has provided consulting services to the major US auto makers, steel companies, oil companies, utilities and aluminum producers. He designed and supervised the installation of one of the world's largest carbon dioxide fire suppression systems for a coal mine in Hinton, Alberta. He also designed the Halon fire suppression system which protects the original copy of the U.S. Bill of Rights.  He has qualified as an expert witness in local as well as Federal courts.

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Contact Information

Located in
Frankfort, Illinois USA
Electronic mail
Information: Mail to GSI                                                

Last revised 12/9/2022