» Blue Horizons Dive Center    Philadelphia dive center with information on PADI classes, vacation travel, local dive sites, and contact details.    http://www.bluehorizons.net/

» Brian's Coral Reef    Wexford dive center with instruction and travel information, along with contact details and hours of operation.    http://www.brianscoralreef.com/

» Diving Bell    Philadelphia based dive center with information on classes and equipment, along with contact details and driving directions.    http://www.divingbell.com

» Downey Diving    Includes information on classes, trips, and local dive sites along with contact information. Located in the Pittsburgh area.    http://www.downdive.com/

» Dutch Springs Diving and Recreation Facility    Bethlehem area lake with information on rates, hours of operation, facility rules, site map and driving directions.    http://www.dutchsprings.com/

» FF Divers    Sellersville shop has information on certification courses, travel excursions, an online newsletter, calendar of events, and hours of operation available.    http://www.ffdivers.com/

» Goin' Down Divin'    Informal group specializing in scuba diving vacations, primarily in the Caribbean area for all levels of divers. Includes details and pricing on upcoming trips and past trip reports. Located in Mount Joy.    http://www.goindowndivin.com

» Harrisburg Scuba Center    Offers details on instruction, travel, and an online newsletter.    http://members.aol.com/harrisburgscuba

» Nittany Divers    A dive club at Penn State College lists information on courses, rentals and trips.    http://www.nittanydivers.org

» Smokeys Divers Den    Lancaster dive center with information on certification classes, travel opportunities, photo albums, dive site descriptions and reviews, and store hours.    http://www.smokeysdiversden.com/

» Splash Water Sports Scuba and Snorkelling Center    PADI 5 star Instructor Development Center features information on instruction, travel, an online newsletter, contact details and hours of operation. Located in Pittsburgh.    http://www.splashws.com

» Susquehanna Scuba Center Inc.    Danville based, with information on instruction, travel, local dive sites, and staff biographies.    http://www.susquehannascuba.com/

» Ultimate Scuba Adventures    Media based dive facility offering PADI and TDI instruction, equipment sales and service.    http://www.ultimatescuba.com

» Underwater World    Philadelphia center offers courses through NAUI, PADI, YMCA, and TDI, along with details on dive travel.    http://www.diveunderwaterworld.com

» Washington Scuba Center    Find information on instruction, travel, contact details and store hours of operation.    http://www.washingtonscuba.com/

» York Divers    PADI center, with information on classes, equipment, and trips.    http://www.yorkdivers.com/