| Northrop Grumman Systems Corporation | North Carolina | state | 2015 | $14,356 | | tax credit/rebate |
| TRW, Inc. | New York | state | 2002 | $148,100 | | enterprise zone |
| ORBITAL SCIENCES CORP & SUBS | New Mexico | state | 2013 | $60,363 | | tax credit/rebate |
| ATK (ALLIANT TECHSYSTEMS OPERATIONS) | Missouri | state | 2014 | $3,528,430 | | training reimbursement |
| Northrop Grumman Ship Building | Mississippi | state | 2009 | $1,244,684 | | training reimbursement |
| Northrop Grumman Integrated Systems | Mississippi | state | 2009 | $45,232 | | training reimbursement |
| Northrop Grumman Ship Systems | Mississippi | state | 2010 | $1,264,100 | | training reimbursement |
| Northrop Grumman Integrated Systems | Mississippi | state | 2010 | $31,211 | | training reimbursement |
| Northrop Grumman Ship Systems | Mississippi | state | 2011 | $655,312 | | training reimbursement |
| Northrop Grumman Systems Corp. | Mississippi | state | 2017 | $1,500,000 | | grant |
| ATK Systems, Inc. | Mississippi | state | 2017 | $450,000 | | grant/loan hybrid program |
| ATK Space Systems, Inc. | Mississippi | state | 2016 | undisclosed | | tax credit/rebate |
| Northrop Grumman | Mississippi | state | 2017 | $250,000 | | training reimbursement |
| Northrop Grumman Innovation Systems | Mississippi | state | 2019 | $600,000 | | grant |
| Northrop Grumman Systems Corporation | Mississippi | state | 2019 | undisclosed | | grant |
| Trw Inc | Michigan | state | 1986 | undisclosed | | property tax abatement |
| Trw Inc | Michigan | state | 1975 | undisclosed | | property tax abatement |
| Northrop Grumman Corporation #1 | Maryland | state | 2001 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #2 | Maryland | state | 2002 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #3 | Maryland | state | 2003 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #3 | Maryland | state | 2004 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman Corporation #4 | Maryland | state | 2005 | $1,500,000 | | grant/loan hybrid program |
| Northrop Grumman #5 | Maryland | state | 2006 | $1,500,000 | | grant/loan hybrid program |
| Alliant Techsystems, Inc. | Maryland | state | 2010 | undisclosed | | tax credit/rebate |
| Alliant Techsystems Operations, LLC | Maryland | state | 2012 | undisclosed | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2010 | $309,343 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2010 | $138,198 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2011 | $799,889 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2011 | $40,219 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2006 | undisclosed | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2006 | undisclosed | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2006 | undisclosed | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2006 | undisclosed | | tax credit/rebate |
| Windermere Information Technology Systems, LLC | Maryland | state | 2004 | $23,778 | | training reimbursement |
| Northrop Grumman PRB Systems, Inc. | Maryland | state | 2004 | $10,931 | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2004 | $476,232 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2005 | $434,174 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2012 | $416,743 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2009 | $409,030 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2008 | $331,463 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2007 | $331,077 | | tax credit/rebate |
| Alliant Techsystems Inc. | Maryland | state | 2004 | $84,404 | | tax credit/rebate |
| Alliant Techsystems, Inc | Maryland | state | 2012 | $39,952 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2008 | $29,779 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2009 | $27,736 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2005 | $26,507 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2007 | $24,799 | | tax credit/rebate |
| Alliant Techsystems, Inc | Maryland | state | 2014 | $39,952 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2014 | $416,743 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2015 | $43,494 | | tax credit/rebate |
| Alliant Techsystems, Inc. | Maryland | state | 2016 | $28,561 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2015 | $473,904 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2016 | $1,801,615 | | tax credit/rebate |
| Orbital ATK, Inc. | Maryland | state | 2017 | $16,003 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2017 | $1,110,678 | | tax credit/rebate |
| Northrop Grumman Corporation | Maryland | state | 2017 | $20,000,000 | | grant/loan hybrid program |
| Northrop Grumman Systems Corporation | Maryland | state | 2018 | $1,287,633 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2019 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Innovation Sy | Maryland | state | 2019 | undisclosed | | training reimbursement |
| Northrop Grumman Systems Corporation | Maryland | state | 2019 | $1,136,563 | | tax credit/rebate |
| Orbital ATK, Inc. | Maryland | state | 2019 | $35,025 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2017 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2020 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $7,500,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2018 | $275,093 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2019 | $224,982 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2020 | $269,698 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $228,030 | | tax credit/rebate |
| Alliant Techsystems Operations, LLC | Maryland | state | 2021 | $102,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $204,000 | | tax credit/rebate |
| Alliant Techsystems Operations, LLC | Maryland | state | 2021 | $74,600 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $323,389 | | tax credit/rebate |
| Northrop Grumman Corporation | Maryland | state | 2020 | $33,790 | | training reimbursement |
| Northrop Grumman Innovation Systems, Inc. | Maryland | state | 2020 | $34,598 | | tax credit/rebate |
| Northrop Grumman Innovation Systems, Inc. | Maryland | state | 2020 | $45,836 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2020 | $1,171,566 | | tax credit/rebate |
| Northrop Grumman Innovation Systems, Inc. | Maryland | state | 2021 | $225,512 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2021 | $889,899 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $185,877 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $250,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $3,796,461 | | tax credit/rebate |
| Alliant Techsystems Operations, LLC | Maryland | state | 2022 | $200,439 | | tax credit/rebate |
| Alliant Techsystems Operations, LLC | Maryland | state | 2022 | $42,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $1,000,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Maryland | state | 2022 | $0 | $800,000 | grant/loan hybrid program |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2008 | $727,441 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2008 | $691,973 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2008 | $544,057 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2009 | $621,200 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2009 | $558,104 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2010 | $546,046 | | property tax abatement |
| Northrop Grumman Ship Systems Inc. | Louisiana | state | 2010 | $464,292 | | property tax abatement |
| Northrop Grumman | Louisiana | state | 2010 | undisclosed | | training reimbursement |
| Northrop Grumman | Louisiana | state | 2011 | undisclosed | | training reimbursement |
| Northrop Grumman Corporation | Florida | state | 1999 | $402,000 | | grant |
| Alliant Teck Systems-ATK | Florida | state | 2010 | $41,763 | | training reimbursement |
| Northrop Grumman Corporation | Florida | state | 1997 | $410,000 | | tax credit/rebate |
| Northrop Grumman Systems Corp. | Florida | state | 2004 | $475,000 | | tax credit/rebate |
| Northrop Grumman | Florida | multiple | 2014 | $471,005,000 | | MEGADEAL  |
| Northrop Grumman Systems Corporation | Florida | state | 2014 | $1,400,000 | | tax credit/rebate |
| Northrop Grumman Systems Corporation | Florida | state | 2014 | $8,700,000 | | grant |
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