| Acclamation Systems, Inc. |
Allegheny County Airport Authority (Pittsburgh International Airport) |
Allegheny Ludlun Corporation |
| American Micrographics |
ANH Refractories Company |
Arcelor-Mittal |
| Art Institute of Pittsburgh |
Best Group |
Burt Hill |
| Butler Health Systems |
California University of PA |
Carlow University |
| Carnegie Mellon University |
Carnegie Museums of Pittsburgh |
Centria |
| Clarion County |
Community College of Allegheny County |
Consumers National Bank |
| County of Butler |
Curtiss-Wright Corporation |
Dicks Sporting Goods |
| Dubois Regional Medical Center |
Duquesne University |
Eaton's Cutler- Hammer Group |
| Edinboro University of Pennsylvania |
Ericsson |
Fairmont State University |
| FedEx Ground |
Fiserv |
Fox Chapel Area School District |
| Grove City College |
Highmark, Inc. |
Hub One Logistics, Ltd. |
| IDI (Real Estate) |
Igate |
II-VI Incorporated |
| Institute for Transfusion Medicine |
Ketchum |
L.B. Foster Company |
| Lord Corporation |
Mellon Bank |
Mylan Laboratories, Inc. |
| National Real Estate Information Systems |
New Pig Corporation |
North Pittsburgh Telephone Company |
| NW Tri County Intermediate Unit #5 |
Pennsylvania State System of Higher Education |
Petroleum Development Corporation |
| Pitt Ohio Express |
Pittsburgh Pirates |
Pittsburgh Post Gazette |
| Pittsburgh Regional Business Coalition for Homeland Security |
Pittsburgh Technical Institute |
Point Park University |
| Port Authority of Allegheny Co. |
Reed Smith LLP |
Regional Joint Readiness Center Task Force |
| Rent-Ways |
Robert Morris University |
Rush North Shore Medical Center |
| Sensus Metering Systems, Inc. |
ServiceLink |
Siemens Water Technologies Corp. |
| Slippery Rock University of Pennsylvania |
Sunoco Chemicals |
The Armstrong Group of Companies |
| The Western Pennsylvania Hospital |
Three Rivers Contingency Planning Association/Equitable Resources |
Traco |
| Tribune Review Publishing Co. |
University of Pittsburgh |
University of Pittsburgh (Center for Public Health Preparedness) |
| University of Pittsburgh Medical Center |
US LEC of Pennsylvania |
Vector Security |
| Verizon Wireless |
VNA Health Services, Western PA |
Washington & Jefferson College |
| Washington County |
West Virginia University |
West Virginia University Medical Center |
| Western Psychiatric Institute and Clinic/UPMC Behavioral Health |
Westinghouse Electric/BNFL |
Westmoreland County |
