From industrial warehouses to life sciences laboratories, facility service workers play a vital role in maintaining commercial properties. 
In Houston — one of the nation’s largest cities, with an economy that is growing exponentially — these workers are the backbone of the city’s operations, said Mike Daley, Senior Vice President at CCS Facility Services. 
Harris County, which encompasses Houston and surrounding suburbs, has approximately 550,000 workers in the professional services sector. This includes janitorial professionals, security guards, building maintenance technicians and more. 
In the professional janitorial sector, which involves everything from cleaning carpets and floors to emergency water restoration and infectious disease response, subcontracting is a…