By Andrew Sorenson, KUSA-9News

Dirty planes, late bags and flight delays could all be a possibility if you’re heading to Denver International Airport today.

As many as 150 behind-the-scenes employees at DIA are on strike.

Employees for three contractors say they’re being mistreated. They’re complaining of unaddressed health and safety issues as well as low pay.

Employees for AirServ, PrimeFlight and G2 say those companies have refused to meet with them on a number of issues. AirServ and G2 handle…