Site funded in part by the Pennsylvania Historical & Museum Commission. Photography by Bill Dowling. Main Street Gettysburg, Inc., a nonprofit 501(c)(3) organization registered with the state of Pennsylvania, is committed to preserving and revitalizing historic Gettysburg for the benefit of businesses, citizens, and visitors. Our address is 571 W. Middle Street Gettysburg, PA 17325; 717 337 3491; email Main Street Gettysburg.