H & J International, PC (HPC) is a multidisciplinary professional corporation that provides engineering design and management consulting services for various sectors, including transportation, urban development, public transit, institutional, commercial, and residential developments. Our firm is certified as a DBE/MBE minority-owned company and is located in the Greater Philadelphia Area of Pennsylvania. We are currently certified by PennDOT, Caltrans, SEPTA, the City of Philadelphia, the Pittsburgh Regional Transit, Allegheny County, as well as other state agencies such as NJDOT, NYSDOT, NYC MTA, NYC Port Authority of NY & NJ, WMATA, TXDOT, and others. At HPC, we are committed to providing our clients with top-quality professional services that are cost-effective and innovative, with a focus on addressing our clients’ needs with practical solutions.