| JIJensen Infrastructure | Boulder City | NV | — | ◐ LIKELY ACTIVE |
| JSJessee Stone Company | Pennington Gap | VA | — | ◐ LIKELY ACTIVE |
| JAJet Asphalt & Rock CO INC | El Dorado | AR | — | ◐ LIKELY ACTIVE |
| JAJet Asphalt & Rock Company, INC - Fordyce Plant | Fordyce | AR | — | ◐ LIKELY ACTIVE |
| JHJ. Hamm Company, INC. | Crump | TN | — | ◐ LIKELY ACTIVE |
| JHJ H Rudolph & Company, INC. | Evansville | IN | — | ◐ LIKELY ACTIVE |
| JHJ. H. Rudolph & Company, INC. - St. Croix Plant | English | IN | — | ◐ LIKELY ACTIVE |
| JMJob Mix , INC | Miami | FL | — | ◐ LIKELY ACTIVE |
| JGJohn G Walton Construction Company, INC. | Chickasaw | AL | — | ◐ LIKELY ACTIVE |
| JBJohnson Bros. Utility & Paving Co., INC. - St Pauls Plant | Saint Pauls | NC | — | ◐ LIKELY ACTIVE |
| JBJohnson Brothers Utility and Paving CO. | Lillington | NC | — | ◐ LIKELY ACTIVE |
| JCJohnson CO. Aggregates - Olathe Quarry | Olathe | KS | — | ◐ LIKELY ACTIVE |
| JGJointa Galusha LLC Glens Falls Lime Quarry | Glens Falls | NY | — | ◐ LIKELY ACTIVE |
| JBJones Bros. Contractors, LLC | Dickson | TN | — | ◐ LIKELY ACTIVE |
| JBJones Bros. Contractors, LLC | Nashville | TN | — | ◐ LIKELY ACTIVE |
| JBJones Bros. Contractors, LLC - Lexington Plant | Lexington | TN | — | ◐ LIKELY ACTIVE |
| JBJones Brothers' Paving | Falkville | AL | — | ◐ LIKELY ACTIVE |
| JRJones Ready Mix LLC | Sandy Hook | MS | — | ◐ LIKELY ACTIVE |
| JWJosten Wilbert Vault CO | Kearney | NE | — | ◐ LIKELY ACTIVE |
| JCJ&s Concrete Number 2 New | Lancaster | SC | — | ◐ LIKELY ACTIVE |
| JTJ. T. Russell & Sons INC. | New London | NC | — | ◐ LIKELY ACTIVE |
| JRJ.t. Russell & Sons, INC. | Charlotte | NC | — | ◐ LIKELY ACTIVE |
| JTJ. T. Russell & Sons, INC. - Lexington Asphalt Plant | Lexington | NC | — | ◐ LIKELY ACTIVE |
| KCKahle Company | Ottawa | OH | 20–99 | ◐ LIKELY ACTIVE |
| KPKanta Products | Three Forks | MT | 1–19 | ◐ LIKELY ACTIVE |
| KMKast Marble | Colorado Springs | CO | — | ◐ LIKELY ACTIVE |
| KPKaty Plant | Katy | TX | 20–99 | ◐ LIKELY ACTIVE |
| KEKeenum Excavating and Construction CO. | Athens | AL | — | ◐ LIKELY ACTIVE |
| KAKenmore Asphalt Products, INC. - Plant 1 | Akron | OH | — | ◐ LIKELY ACTIVE |
| KRKennon Ready-mix Concrete Company | El Dorado Springs | MO | — | ◐ LIKELY ACTIVE |
| KSKetcham Supply INC | Kings Park | NY | — | ◐ LIKELY ACTIVE |
| KRKey Recycling, LLC | Baltimore | MD | — | ◐ LIKELY ACTIVE |
| KCKgm Contractors INC - Hma Plant | Alango Township | MN | — | ◐ LIKELY ACTIVE |
| KSKiewit - Sedalia Asphalt Plant | Sedalia | CO | — | ◐ LIKELY ACTIVE |
Kilgore Companies LLC | Salt Lake City | UT | — | ◐ LIKELY ACTIVE |
| KRKincaid Ready Mix | Olathe | KS | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt, INC. - Bonds Asphalt Plant | Concord | NC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt, INC. - Concord Asphalt Plant | Concord | NC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt INC - Conway | Conway | SC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt, INC. - Gastonia Asphalt Plant | Gastonia | NC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt, INC. - Mcconnells | Mcconnells | SC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt INC - Mullins | Mullins | SC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt, INC. - Pineville Plant | Charlotte | NC | — | ◐ LIKELY ACTIVE |
| KAKing Asphalt, INC. - Wilmington Asphalt Plant | Castle Hayne | NC | — | ◐ LIKELY ACTIVE |
| KGKing George Plant | King George | VA | 20–99 | ◐ LIKELY ACTIVE |
| KCKingsport Concrete, LLC | Kingsport | TN | — | ◐ LIKELY ACTIVE |
| KRKing's Ready Mix | Cedar Rapids | IA | 20–99 | ◐ LIKELY ACTIVE |
| KCKirkpatrick Concrete INC | Birmingham | AL | — | ◐ LIKELY ACTIVE |
| KCKirkpatrick Concrete INC | Birmingham | AL | — | ◐ LIKELY ACTIVE |
| KCKirkpatrick Concrete,inc. Plant 13 | Birmingham | AL | — | ◐ LIKELY ACTIVE |