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of the Commonwealth of Pennsylvania

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    Local, state, and federal government websites often end in .gov. Commonwealth of Pennsylvania government websites and email systems use "pennsylvania.gov" or "pa.gov" at the end of the address. Before sharing sensitive or personal information, make sure you're on an official state website. 

    To request a COSTARS representative to speak or conduct a training session at an upcoming event, please contact COSTARS at toll-free telephone 1-866-768-7827 or email GS-PACostars@pa.gov. 

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    Additional Information

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    ​Contact Us:

    Department of General Services
    Bureau of Procurement
    1800 Herr Street
    2nd Floor, Arsenal Building
    Harrisburg, PA 17103​

    Phone: 717-346-9009
    Toll Free: 1-866-768-7827
    Fax: 717-783-6241
    E-Mail: gs-pacostars@pa.gov