A union representing about 3,000 security guards in the Philadelphia area ratified a four-year contract with some of the region's largest employers, securing higher wages and better benefits for officers who have been working on an expired contract for over a month.

The 32BJ division of the Service Employees International Union announced the new contract's terms Monday.

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The security guards, who mostly work on the Temple, Drexel and Penn campuses and in high-rise buildings in Center City, joined another 4,600 employees in New Jersey, Washington D.C. and Northern Virginia to negotiate with Allied Universal, Colonial Security Services, GardaWorld, Harvard Protection Services and Securitas, according to Ju

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