| | GRAYMONT MATERIALS (NY) INC. | — | BPA | $17,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | 212313Crushed and Broken Granite Mining and Quarrying | 3630CLAY AND CONCRETE PRODUCTS INDUSTRIES MACHINERY | Oct 6, 2015 | Oct 1, 2015 | Sep 30, 2017 |
| | GRAYMONT MATERIALS (NY) INC. | — | BPA | $0 | Saint Lawrence Seaway Development Corporation | Saint Lawrence Seaway Development Corporation | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5610MINERAL CONSTRUCTION MATERIALS, BULK | Sep 30, 2013 | Oct 1, 2013 | — |
| | GRAYMONT MATERIALS (NY) INC. | — | BPA | $0 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5610MINERAL CONSTRUCTION MATERIALS, BULK | Sep 30, 2011 | Oct 1, 2011 | — |
| | GRAYMONT MATERIALS (NY) INC. | — | BPA | $0 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5610MINERAL CONSTRUCTION MATERIALS, BULK | Sep 30, 2009 | Sep 30, 2009 | — |
| | GRAYMONT MATERIALS (NY) INC. | — | BPA | $11,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5680MISCELLANEOUS CONSTRUCTION MATERIALS | Sep 30, 2009 | Sep 30, 2009 | Sep 30, 2011 |
| | GRAYMONT MATERIALS (NY) INC. | FURNISH AND DELIVER READY-MIX CONCRETE. | BPA | $5,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5680MISCELLANEOUS CONSTRUCTION MATERIALS | Sep 30, 2007 | Oct 1, 2007 | Sep 30, 2009 |
| | GRAYMONT MATERIALS (NY) INC. | FURNISH CONCRETE SAND AND MASONRY SAND. | BPA | $1,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5610MINERAL CONSTRUCTION MATERIALS, BULK | Sep 30, 2007 | Oct 1, 2007 | Sep 30, 2009 |
| | GRAYMONT MATERIALS (NY) INC. | FURNISH AND DELIVER READY-MIX CONCRETE. | BPA | $5,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5680MISCELLANEOUS CONSTRUCTION MATERIALS | Sep 30, 2005 | Oct 1, 2005 | Sep 30, 2007 |
| | GRAYMONT MATERIALS (NY) INC. | FURNISH CONCRETE SAND AND MASONRY SAND. | BPA | $1,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5610MINERAL CONSTRUCTION MATERIALS, BULK | Sep 30, 2005 | Oct 1, 2005 | Sep 30, 2007 |
| | GRAYMONT MATERIALS (NY) INC. | FURNISH AND DELIVER READY-MIX CONCRETE | BPA | $10,000 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5680MISCELLANEOUS CONSTRUCTION MATERIALS | Oct 1, 2003 | Oct 1, 2003 | Sep 30, 2005 |
| | GRAYMONT MATERIALS (NY) INC. | FURNISH CONCRETE SAND AND MASONRY SAND | BPA | $1,800 | GREAT LAKES ST LAWRENCE SEAWAY DEVELOPMENT CORPORATION | — | — | 212312Crushed and Broken Limestone Mining and Quarrying | 5610MINERAL CONSTRUCTION MATERIALS, BULK | Oct 1, 2003 | Oct 1, 2003 | Sep 30, 2005 |