The government hires the Largest amount of Illegals.  Go to any Military base in the U.S and you will see that over 90% of those working there are Illegal.  The work in the Billeting cleaning rooms,  grounds work, all the stores on Bases.  The Run all the Military Housing , billeting check in's  . All the Exchanges, (BX/PX) and they allow illegals to enlist into all military forces with NO Back round Checks.  At Lackland AFB San Antonio , it is almost Totally Illegals,