| IRIngram Readymix, INC. -conroe #38 | Conroe | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-converse #12 | Converse | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-converse Shop #90/1516 | Converse | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-corpus Christi Holly#51 | Corpus Christi | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-corpus Christi Omaha#50 | Corpus Christi | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-del Rio #4 | Del Rio | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-del Rio S&g #87 | Del Rio | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-floresville #27 | Floresville | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-fredericksburg #1 | Fredericksburg | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-gonzales #24 | Gonzales | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-gregory #25 | Gregory | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-hempstead #31 | Hempstead | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-hockley #32 | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-hondo #5h | Hondo | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, INC. -jersey Village #36 | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-kerrville #10 | Kerrville | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-laredo #11 | Laredo | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-marble Falls #9 | Marble Falls | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, INC. - Pearland #35 | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-proctor S&g #82 | Dublin | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-sa1 #14 | San Antonio | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-sa3 #21 | San Antonio | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-sa4 #22 | San Antonio | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-san Angelo #40 | San Angelo | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-san Marcos #13 | San Marcos | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-seguin #3 | Seguin | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-stephenville #43 | Stephenville | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, INC. - Sugarland #30 | Sugar Land | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-victoria #6 | Victoria | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, INC. -willis #33 | Montgomery | TX | 1–19 | ◐ LIKELY ACTIVE |
| IKIN - Kentucky Avenue 155 | Indianapolis | IN | 20–99 | ◐ LIKELY ACTIVE |
| INInland Northwest Precast LLC | Newman Lake | WA | 20–99 | ◐ LIKELY ACTIVE |
| ILIn Line Paving Industries LLC | Lexington | SC | — | ◐ LIKELY ACTIVE |
| IMIN - Morris Street 106 | Indianapolis | IN | 1–19 | ◐ LIKELY ACTIVE |
| ININ - Noblesville South 153 | Noblesville | IN | 1–19 | ◐ LIKELY ACTIVE |
| IPIN - Post Road 105 | Indianapolis | IN | 20–99 | ◐ LIKELY ACTIVE |
| IQIN - QC Indiana 240 | Greenfield | IN | 20–99 | ◐ LIKELY ACTIVE |
| ISIN - Shared Services - HR 086 | Greenfield | IN | 20–99 | ◐ LIKELY ACTIVE |
| ISIN - Shared Services - IT 088 | Greenfield | IN | 20–99 | ◐ LIKELY ACTIVE |
| IMInternational Materials & Supplies, INC. | Keeseville | NY | — | ◐ LIKELY ACTIVE |
| ICInterstate Concrete and Asphalt Company | Pasco | WA | — | ◐ LIKELY ACTIVE |
| ICIntex Corporation | Albertville | MN | — | ◐ LIKELY ACTIVE |
| IWIN - Whitestown 124 | Lebanon | IN | 20–99 | ◐ LIKELY ACTIVE |
| IRIonia Ready Mix | Ionia | MI | 1–19 | ◐ LIKELY ACTIVE |
| IIronhead | Justin | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIsland Roads Corporation | Charlotte Amalie | VI | — | ◐ LIKELY ACTIVE |
| JRJackrabbit Ready Mix | Buckeye | AZ | 1–19 | ◐ LIKELY ACTIVE |
| JJackson | Jackson | MI | 1–19 | ◐ LIKELY ACTIVE |
| JJackson | Jackson | MS | 20–99 | ◐ LIKELY ACTIVE |
| JCJackson Concrete, Inc. | West Bend | WI | 20–99 | ◐ LIKELY ACTIVE |