About SingleSource – Backgrounder
SingleSource is headquartered in North Fayette Township, just outside Pittsburgh, PA, and is a leading designer of solar-ready and traditional roofing systems. SingleSource is the only resource that can handle Photovoltaic Array (PV) system installation, ongoing roof maintenance, financing and the true cost of ownership, as well as issues related to third party ownership (PPA type) and the inherent conflicts of interest. The company utilizes time-tested technologies and rigorous performance standards to ensure the best possible solutions at the lowest possible price for its customers. For the past eight years SingleSource has provided custom, cost-effective and comprehensive solar-ready solutions to clients throughout the Unites States.
SingleSource
- Was founded in 1975
- President, CEO and founder is Gary Kassem
- Has employees across the U.S
- Is a leading designer of solar-ready roofing systems so that clients can buy a roof today and install (plug and play) PV as the policy evolves in their area
- Addresses all issues related to rooftop operational safety of PV and roof repairs throughout the duration of a PV system’s life
- Frees building owners of responsibility for roof maintenance once a PV is installed through a long-term, comprehensive preventative maintenance agreement
- Provides 24/7 troubleshooting coverage for clients
- Brings accountability and technical expertise to new and existing traditional roofing and rooftop solar installations
- Helps companies minimize risk and controls exposure to problematic partners by offering a true “single source” of reliability and accountability for roof management
![]() |
![]() |
![]() |






