The Graham Company has been a tenant at 1 Penn Sq. W in Philadelphia, PA since 1986, and has renewed its lease for another 10 years. The Graham Company will continue to occupy the top eight floors of its namesake property, totaling 76,812 square feet, which it will also renovate under its new lease agreement. The Graham Bldg is at 30 S. 15th St. in the Market Street West submarket. The 25-story, 4-Star office building was constructed in 1985 and totals 241,867 square feet in City Center. Peter Soens, partner with SSH Real Estate represented The Graham Company. Mike Dolan of Stockton Real Estate Advisors represented the landlord, C-III Asset Management.