National Speakers Association Pittsburgh
- Professional speakers for your next meeting, conference or training session. Members include keynote speakers, trainers, educators, facilitators, coaches, and consultants.
- http://www.nsapittsburgh.com

South Hills Chamber of Commerce
- Pittsburgh-based organization whose mission is to advance economic and civic interests of local small businesses. Includes member directory and information about committee activities and special events.
- http://www.shchamber.org/

MIT Enterprise Forum of Pittsburgh
- Encourages learning and interaction among its members - entrepreneurs, businessmen, investors and students - by providing a forum to discuss issues important to entrepreneurs. Find upcoming events, sponsors, and links resources.
- http://mitforumpgh.com/

American Society of Mechanical Engineers Pittsburgh Section
- Information and calendar of events for professional association of mechanical engineers.
- http://sections.asme.org/PGH/

West Pittsburgh Partnership
- A nonprofit community development corporation dedicated to the western neighborhoods of Pittsburgh. Photos, news, membership and contact details.
- http://www.westpittsburgh.org