Thanks to its colorful yellow trucks and catchy advertising slogans, Gabrilson has remained at the top of the HVAC community dominated by union contractors and members of the Sheet Metal Workers Local 91 union. Employees answering the phone say "Yellow" instead of "Hello."
President Tom Gabrilson said that the largest contractors in town are all union contractors. He said there are about 125 HVAC contractors in the area but added, "The top 10 are doing 90 percent of the business."