| Martin Marietta Composities, Inc. | North Carolina | state | 2008 | $19,953 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | West Virginia | state | 2007 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials, Inc. | North Carolina | state | 2009 | $18,532 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | North Carolina | state | 2008 | $115,826 | | tax credit/rebate |
| Rocky Mountain Materials and Asphalt Inc | Colorado | state | | $12,272 | | tax credit/rebate |
| ROCKY MOUNTAIN MATERIALS AND ASPHALT | Colorado | state | 2014 | $87,007 | | tax credit/rebate |
| ROCKY MOUNTAIN MATERIALS & ASPHALT | Colorado | state | 2015 | $38,175 | | tax credit/rebate |
| Front Range Aggregates LLC | Colorado | state | 2014 | $16,725 | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2010 | undisclosed | | tax credit/rebate |
| Rocky Mountain Materials and Asphalt, Inc. | Colorado | state | 2016 | $32,591 | | tax credit/rebate |
| Martin Marietta Materials, Inc | Nebraska | state | 2017 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2018 | $179,686 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2019 | $42,029 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2019 | $37,009 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2019 | $15,267 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2019 | $14,937 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2019 | $3,686 | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2008 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2020 | $3,162 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2020 | $8,043 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2020 | $17,971 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2020 | $26,408 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2020 | $67,974 | | tax credit/rebate |
| Rocky Mountain Materials & Asphalt Inc. | Colorado | state | 2020 | $47,267 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $3,426 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $5,148 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $8,771 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $12,636 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $19,294 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $44,989 | | tax credit/rebate |
| Martin Marietta Materials, Inc. | Colorado | state | 2021 | $59,833 | | tax credit/rebate |
| Rocky Mountain Materials & Asphalt, Inc. | Colorado | state | 2021 | $3,921 | | tax credit/rebate |
| Rocky Mountain Materials & Asphalt, Inc. | Colorado | state | 2021 | $8,898 | | tax credit/rebate |
| MARTIN MARIETTA MATERIALS INC | Oklahoma | state | 2018 | $2,479 | | tax credit/rebate |
| MARTIN MARIETTA MATERIALS INC | Oklahoma | state | 2019 | $11,324 | | tax credit/rebate |
| MARTIN MARIETTA MATERIALS INC | Oklahoma | state | 2019 | $276,122 | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2011 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2012 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2013 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2014 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2015 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2016 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2017 | undisclosed | | tax credit/rebate |
| Martin Marietta Materials Inc | West Virginia | state | 2018 | undisclosed | | tax credit/rebate |
| MARTIN MARIETTA MAGNESIA SPECIALITIES, INC. | Michigan | local | 1994 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA SPECIALTIES, INC. | Michigan | local | 1995 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA SPECIALTIES | Michigan | local | 1998 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA SPECIALTIES,INC | Michigan | local | 2008 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA SPECIALTIES INC | Michigan | local | 2010 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA SPECIALTIES INC | Michigan | local | 2010 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA SPECIALTIES INC | Michigan | local | 2010 | undisclosed | | property tax abatement |
| TXI Operations LP | Texas | local | 2011 | $6,055,218 | | property tax abatement |
| Martin Marietta | Michigan | state | 1976 | undisclosed | | property tax abatement |
| Martin Marietta - Magnesia | Michigan | state | 2004 | undisclosed | | property tax abatement |
| Martin Marietta Aggregate | Michigan | state | 1972 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Spec. | Michigan | state | 1992 | undisclosed | | property tax abatement |
| Martin Marietta - Magnesia Specialties | Michigan | state | 2004 | undisclosed | | property tax abatement |
| Martin Marietta - Magnesia Specialties | Michigan | state | 2004 | undisclosed | | property tax abatement |
| Martin Marietta - Magnesia Specialties | Michigan | state | 2004 | undisclosed | | property tax abatement |
| Martin Marietta - Magnesia Specialties | Michigan | state | 2004 | undisclosed | | property tax abatement |
| Martin Marietta Basic Products | Michigan | state | 2007 | undisclosed | | property tax abatement |
| Martin Marietta Chemicals | Michigan | state | 1983 | undisclosed | | property tax abatement |
| Martin Marietta Chemicals | Michigan | state | 1983 | undisclosed | | property tax abatement |
| Martin Marietta Chemicals | Michigan | state | 1983 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Spec. | Michigan | state | 1993 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Spec. | Michigan | state | 1993 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Spec. | Michigan | state | 1993 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Spec. | Michigan | state | 1993 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Specialties | Michigan | state | 2007 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Specialties | Michigan | state | 2008 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Specialties | Michigan | state | 2007 | undisclosed | | property tax abatement |
| Martin Marietta Magnesia Specialties | Michigan | state | 2009 | undisclosed | | property tax abatement |
| MARTIN MARIETTA MAGNESIA | Ohio | state | 2013 | $100,000 | | grant |
| TXI Operation, LP | Texas | local | 2014 | undisclosed | | grant |
| TXI Operations LP | Texas | local | 2010 | undisclosed | | grant |
| Martin Marietta Magnesia Specialties, Inc. | United States | federal | 2010 | | $2,700,000 | federal loan or loan guarantee |
