Scientific Instruments Inc. of West Palm Beach, Florida, is celebrating their 40th Anniversary in 2007. Scientific Instruments was founded by aeronautical engineer Jack Hoey and physicist Gilbert Halverson. The two, coming from aerospace and academic backgrounds developed the first commercially available Germanium Resistance Thermometer (GRT) and supplied these devices for use on the Atlas rockets and to the Apollo Lunar Program.

Scientific Instruments Inc., an ISO9001-2000 company is involved in the design and manufacture of cryogenic temperature sensors for laboratory, industrial and medical applications. Other product areas include temperature indicators and controllers, petrochemical tank gauging systems for liquid natural gas (LNG) storage tanks and aircraft temperature probes which are used on all Boeing and Air Bus aircraft.