There are 151 HVAC Companies in Marion County, Indiana, serving a population of 939,964 people in an area of 397 square miles. There is 1 HVAC Companies per 6,224 people, and 1 HVAC Companies per 2 square miles.
In Indiana, Marion County is ranked 38th of 92 counties in HVAC Companies per capita, and 1st of 92 counties in HVAC Companies per square mile.