| | — | RESEARCH TRIANGLE INSTITUTE | $0 | FOOD AND NUTRITION SERVICE | — | — | — | R507 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2000 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | FOOD AND NUTRITION SERVICE | — | — | — | R507 | Jun 15, 1999 | Jun 15, 1999 | Aug 15, 1999 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | FOOD AND NUTRITION SERVICE | — | — | — | R507 | Aug 15, 1998 | Aug 15, 1998 | Sep 15, 1998 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | FOOD AND NUTRITION SERVICE | — | — | — | R507 | Jul 15, 1998 | Jul 15, 1998 | Apr 15, 1999 |
| | — | DEVTECH SYSTEMS INC | $0 | AGENCY FOR INTERNATIONAL DEVELOPMENT | — | — | — | R507 | May 15, 1998 | May 15, 1998 | Jul 15, 2000 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Jun 15, 1996 | Jun 15, 1996 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Jun 15, 1996 | Jun 15, 1996 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Feb 15, 1996 | Feb 15, 1996 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Feb 15, 1996 | Feb 15, 1996 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Nov 15, 1995 | Nov 15, 1995 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Sep 15, 1995 | Sep 15, 1995 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Jun 15, 1995 | Jun 15, 1995 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Jun 15, 1995 | Jun 15, 1995 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Feb 15, 1995 | Feb 15, 1995 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Nov 15, 1994 | Nov 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Aug 15, 1994 | Aug 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Aug 15, 1994 | Aug 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Mar 15, 1994 | Mar 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Mar 15, 1994 | Mar 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Mar 15, 1994 | Mar 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Mar 15, 1994 | Mar 15, 1994 | Sep 15, 1996 |
| | — | THE VISTA CONSULTING GROUP INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R507 | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1996 |
| | — | GARTNER, INC. | $0 | US OFFICE OF CONSUMER AFFAIRS | — | — | — | R507 | May 15, 1991 | May 15, 1991 | — |