The Blue Collars work in the manufacturing and "dirty" energy industries of the city and have revenues close to that of the Fringes (they are slightly more lucrative, but their workplaces generate more pollution) They represent working class families with traditional values. Blue Collars will usually be attracted to a city with available housing, but under certain circumstances will "evolve" from Have-Nots. They demand good services for healthcare and decent services for safety. Employment for Blue Collars is usually found in manufacturing, private investigating, fishing companies, and oil derricks/platforms.