Business: Designs and manufactures gas-sniffing sensors to detect more than 100 toxic and explosive gases used in a variety of manufacturing processes.
Founded: 1992
Headquarters: Edina
Website: www.sensorelectronics.com
Executives: CEO Alan Petersen Sr. and his son and business partner, Alan Jr.
Employees: 19
2007 revenue: $10 million
Quote: "This business is a whole lot more interesting than getting up in the morning and doing the crossword puzzle." -- Alan Petersen Sr., explaining why he remains at the helm of his company at age 76.
![Attendees of Frostbike made their way through the convention Saturday at the Quality Bike Products campus in Minneapolis. ] (AARON LAVINSKY/STAR TRIBUNE) aaron.lavinsky@startribune.com Frostbike 2016 was held at the Quality Bike Products Campus on Saturday, Feb. 27, 2016 in Bloomington, Minn.](https://arc.stimg.co/startribunemedia/NH2BSHB74ND2V6GF2G2HI5X4MM.jpg?&w=252&ar=3:2&fit=crop)
