African American Chamber of Commerce 30 South 15th Street, Suite 102, Philadelphia, PA 19102, Located in the Graham Building, 215-751-9501, The African American Chamber of Commerce promotes African-American businesses in New Jersey, Delaware and Pennsylvania. 

Greater Philadelphia Chamber of Commerce 200 South Broad Street, Suite 700, Philadelphia, PA 19102, 215-545-1234, The Greater Philadelphia Chamber of Commerce promotes local businesses and industries in the greater Philadelphia area and offers relocation information. 

Philadelphia Convention and Visitors Bureau 1700 Market Street, Suite 3000, Philadelphia, PA 19103, 215-636-3300, The Philadelphia Convention and Visitors Bureau provides information on local lodging, dining, attractions, entertainment, shopping, and events in the greater Philadelphia area. 

Valley Forge Convention and Visitors Bureau 600 West Germantown Pike, Suite 130, Plymouth Meeting, PA 19462, 610-834-1550, The Valley Forge Convention and Visitors Bureau is a private, non-profit membership sales and marketing organization that promotes the Valley Forge area and Montgomery County as a convention site and leisure visitor destination. 

Genealogical Society of Pennsylvania (GSP), The 1300 Locust Street, 2nd Floor, Philadelphia, PA 19107, 215-545-0391, One of the first in the United States "to recognize the value of collecting and preserving" vital and personal records, the Genealogical Society of Pennsylvania is a non-profit organization that was established in 1982. GPS holdings and services include the published "Pennsylvania Archives," bible records, directories from 1841-1854 and 1862-1930, marriage and death indexes, over 800 microfilm reels, and various county land records. more... 

German Society of Pennsylvania, The 611 Spring Garden Street, Philadelphia, PA 19123, 215-627-2332, The German Society of Pennsylvania is a non-profit organization that was established in 1794. GSP is devoted to preserving German and German-American contributions to American history and culture. A lending library and a research facility, GSP’s Joseph P. Horner Memorial Library contains over 70,000 volumes. This library is considered the largest private collection of German books in the United States, outside of universities. more... 

Germantown Historical Society 5501 Germantown Avenue, Philadelphia, PA 19144, 215-844-1683, Founded in 1901, as the Site and Relic Society of Germantown, the Germantown Historical Society is dedicated to preserving, protecting and interpreting the history of the historic German Township, now Germantown, Mt. Airy and Chestnut Hill; with a museum, library and archives. The museum and library collections total more than 50,000 objects, documents and photographs, including furniture, 17th century German trunks, Peale paintings, newspapers, maps, land records, deeds, Bibles, individual and organizational records, rare books, and oral history interviews. more... 

Historical Society of Pennsylvania, The 1300 Locust Street, Philadelphia, PA 19107, 215-732-6200, "One of the oldest historical societies in the United States," the Historical Society of Pennsylvania was founded in 1824. Designed by Addison Hutton, the Historical Society of Pennsylvania's building is listed on the City of Philadelphia's Register of Historical Places. Known for its 17th, 18th and 19th century holdings, it contains one of the largest family history libraries in the nation with around 600,000 printed items and over 19 million manuscript and graphic items. more... 

Bed & Breakfast Connection of Philadelphia P.O. Box 21, Devon, PA, 610-687-3565, Since 1987, this company has been helping guests find the perfect bed and breakfast. They have personally visited all of the bed and breakfasts represented and are certain that they meet the highest standards.

National Railway Historical Society (NRHS), The 100 North 20th Street, 4th Floor, Philadelphia, PA 19103, 215-557-6606, Railroad enthusiasts will enjoy being a member of the National Railway Historical Society, a non-profit organization founded in 1935. The National Railway Historical Society strives to preserve and promote railroading nationwide. more...