9A/ Northwest Pennsylvania Regional Planning and Development Commission
PO Box 1127
Oil City, Pennsylvania 16301
814-677-4800
email: nwinfo@nwcommission.org
Home page: http://www.nwcommission.org
Counties: Clarion, Crawford, Erie, Forest, Lawrence, Mercer, Venango, Warren

9B/ North Central Pennsylvania Regional Planning and Development Commission
651 Montmorenci Road
Ridgway, Pennsylvania 15853
814-773-3162
email: ncprpdc@ncentral.com
Home page: http://web2.ncentral.com/ncprpdc/
Counties: Cameron, Clearfield, Elk, Jefferson, McKean, Potter

9C/ Northern Tier Regional Planning and Development Commission
312 Main Street
Towanda, Pennsylvania 18848
570-265-9103
email: info@northerntier.org
Home page: http://northerntier.org
Counties: Bradford, Sullivan, Susquehanna, Tioga, Wyoming

9D/ Northeastern Pennsylvania Alliance
1151 Oak Street
Pittston, Pennsylvania 18640-3795
570-655-5581
email: info@nepa-alliance.org
Home page: http://www.nepa-alliance.org
Counties: Carbon, Lackawanna, Luzerne, Monroe, Pike, Schuylkill, Wayne

9E/ Southwestern Pennsylvania Commission
425 Sixth Avenue, Suite 2500
Pittsburgh, Pennsylvania 15219-1819
412-391-5590
email: comments@spcregion.org
Home page: http://www.spcregion.org
Counties: Allegheny, Armstrong, Beaver, Butler, Fayette, Greene, Indiana, Washington, Westmoreland

9F/ Southern Alleghenies Planning and Development Commission
541 58th Street
Altoona, Pennsylvania 16602-1193
814-949-6520
email: sapdc@sapdc.org
Home page: http://www.sapdc.org
Counties: Bedford, Blair, Cambria, Fulton, Huntingdon, Somerset

9G/ SEDA–Council of Governments
201 Furnace Road
Lewisburg, Pennsylvania 17837
570-524-4491
email: admin@seda-cog.org
Home page: http://www.seda-cog.org
Counties: Centre, Clinton, Columbia, Juniata, Lycoming, Mifflin, Montour, Northumberland, Perry, Snyder, Union

Note: Parentheses indicate non-Appalachian counties and independent cities included with the development districts.