| HVHocking Valley Concrete Inc | Logan | OH | 20–99 | ◐ LIKELY ACTIVE |
| HRHolland Ready Mix | Holland | MI | 1–19 | ◐ LIKELY ACTIVE |
| HRHolmes Redimix, Inc. | Millersburg | OH | 20–99 | ◐ LIKELY ACTIVE |
| HCHolroyd Company, INC. | Lakewood | WA | — | ◐ LIKELY ACTIVE |
| HLHoward Lane | Austin | TX | 20–99 | ◐ LIKELY ACTIVE |
| HRHunt Refining Company | Tuscaloosa | AL | 100–499 | ◐ LIKELY ACTIVE |
| HSHunt Southland Refining Company - Sandersville Refinery | Heidelberg | MS | 20–99 | ◐ LIKELY ACTIVE |
| HRHutchinson Ready Mix | Hutchinson | MN | 1–19 | ◐ LIKELY ACTIVE |
| IFIdaho Falls Idaho | Idaho Falls | ID | 20–99 | ◐ LIKELY ACTIVE |
Ideal Supplies Inc. | Ludlow | KY | 20–99 | ◐ LIKELY ACTIVE |
| ISIllinois South Suburban General | Mokena | IL | 1–19 | ◐ LIKELY ACTIVE |
| INIL North Suburban General - 703 | Elgin | IL | 20–99 | ◐ LIKELY ACTIVE |
| IKIMC - Ketchum/Bellevue | Bellevue | ID | 1–19 | ◐ LIKELY ACTIVE |
| IMIMC- Mountain Home | Mountain Home | ID | 1–19 | ◐ LIKELY ACTIVE |
| ICIN - Corporate Inside Sales 199 | Greenfield | IN | 20–99 | ◐ LIKELY ACTIVE |
| IDIN - Danville 115 - 91115 | Danville | IN | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-abilene & Abilene Shop #41 | Abilene | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-bandera #19 | Bandera | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-beaumont Hwy #34 | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-blanco #23 | Blanco | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-boerne #7 | Boerne | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-bracken #26 | New Braunfels | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-bronte S&g #80 | Bronte | TX | 1–19 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-brownwood #42 | Brownwood | TX | 20–99 | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-bulverde #20 | Bulverde | TX | 1–19 | ◐ LIKELY ACTIVE |
| 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 |