Alliance for Telecommunications Industry Solutions (ATIS)

American Bar Association

Association of State Drinking Water Administrators (ASDWA)

BT North America

Exxon Mobil

Fairfax Family Medical Practice Centers

Federal Aviation Administration

Federal Home Loan Mortgage Association

HP Enterprise Services (formerly EDS/Loud Cloud)

Hyatt

INOVA Fairfax Hospital

INOVA Health Care

IRP, Inc.

Iridium

Lane Furniture Co.

Lowes

National Institute of Standards and Technology

National Rural Electric Cooperative Association

Meristar Properties

MCI

PIT North America (British Telecom)

Pfizer, Inc.

Smithsonian Institution

The Madiera School

Time-Life, Inc.

Time Warner Telecommunications

Town of Leesburg, Virginia

United Way of America, Denver, Colorado Chapter

US Dept. of Defense Education Activity (DODEA)

US Dept. of Education, Federal Student Aid

US Dept. of Energy

US Dept. of Interior

US Dept. of Transportation

US Food & Drug Administration

US Marine Corps

US Office of Personnel Management

USAir