| | — | NORTHROP GRUMMAN CORPORATION | $0 | DEPT OF THE ARMY | — | — | — | 5895MISCELLANEOUS COMMUNICATION EQUIPMENT | Mar 30, 1998 | Mar 30, 1998 | — |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH22NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; CONSERVATION AND LAND MANAGEMENT; APPLIED RESEARCH | Aug 15, 1996 | Aug 15, 1996 | Jun 15, 1991 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AZ11 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | Jul 15, 1994 | Jul 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | Jul 15, 1994 | Jul 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | Jun 15, 1994 | Jun 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | May 15, 1994 | May 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AZ11 | Mar 15, 1994 | Mar 15, 1994 | Mar 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | Feb 15, 1994 | Feb 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | Feb 15, 1994 | Feb 15, 1994 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AZ11 | Dec 15, 1993 | Dec 15, 1993 | Mar 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AZ11 | Dec 15, 1993 | Dec 15, 1993 | Mar 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R421 | Dec 15, 1993 | Dec 15, 1993 | Sep 15, 1994 |
| | — | NORTHROP GRUMMAN CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C118 | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1993 |