PA: Firms that hire illegal aliens could lose Allegheny County business... Allegheny County would be able to break any contracts it has with companies that hire illegal aliens under an ordinance now being considered by county council. The proposed county legislation is similar to that being considered in Harrisburg. Both measures would require companies working on publicly funded projects to use the federal E-Verify identification system to prove that their workers are U.S. citizens or foreigners who are in the country legally..The state E-Verify measure, SB 637, passed the Senate on May 24 and has been sent on to the House for consideration. Both chambers are controlled by Republicans. requires federal government contractors to determine the immigration and citizenship status of all their employees. "It attempts to stop an illegal activity, which costs the state money because illegal workers pay no taxes, take jobs away from our own workers and open the door to possible national security risks,"