| IMIvory Mine Project | Lovelock | NV | — | ◇ UNVERIFIED |
| JBJack B. Parson Point West Shop | Lehi | UT | — | ◇ UNVERIFIED |
| JBJack B. Parson Spanish Fork Shop | Spanish Fork | UT | — | ◇ UNVERIFIED |
| JRJackson Ready-mix Plant 14 | Vicksburg | MS | — | ◇ UNVERIFIED |
| JAJacksonville Ar Plant 604 (smyrna Ready Mix Concrete) | Little Rock | AR | — | ◇ UNVERIFIED |
| JPJacksonville Plant 604 | Jacksonville | AR | — | ◇ UNVERIFIED |
| JCJahna Concrete, INC. -zolfo Springs Concrete Batch Plant | Avon Park | FL | — | ◇ UNVERIFIED |
| JCJames Cape & Sons CO | Racine | CO | — | ◇ UNVERIFIED |
| JCJames Cape & Sons CO | Rochelle | IL | — | ◇ UNVERIFIED |
| JCJames Cape & Sons CO (erie Strayer Cbp) | Racine, Wi | CO | — | ◇ UNVERIFIED |
| JCJames Cape & Sons -illinois | Addison | IL | — | ◇ UNVERIFIED |
| JCJames Cape & Sons-illinois | Barrington | IL | — | ◇ UNVERIFIED |
| JCJames Cape & Sons-illinois | Chicago | IL | — | ◇ UNVERIFIED |
| JCJarrell Cbp 1 | Jarrell | TX | — | ◇ UNVERIFIED |
| JCJas Construction, LLC | Altoona | IA | — | ◇ UNVERIFIED |
| JCJ C Howard Concrete Batch Plt | Carnegie | PA | — | ◇ UNVERIFIED |
| JCJ Cloud INC | El Cajon | CA | — | ◇ UNVERIFIED |
| JCJ Curry Ready Mix of Rushville INC | Astoria | IL | — | ◇ UNVERIFIED |
| JCJ. Curry Redi-mix of Rushville, INC. | Rushville | IL | — | ◇ UNVERIFIED |
| JBJdn Block, INC | Lansdale | PA | — | ◇ UNVERIFIED |
| JDJ.e. Dunn Construction | Boulder | CO | — | ◇ UNVERIFIED |
| JCJefferson City Concrete Plant / Bwi Etn Llc, Dba Blue Water Industries Dba Bwi C | Jefferson City | TN | — | ◇ UNVERIFIED |
| JCJefferson County Ready Mix Concrete Plant 23 | Perry | KS | — | ◇ UNVERIFIED |
| JRJena Ready Mix | Jena | LA | — | ◇ UNVERIFIED |
 Jensen Enterprises INC Dba Jensen Precast | Ontario | CA | — | ◇ UNVERIFIED |
| JPJensen Precast | Lockeford | CA | — | ◇ UNVERIFIED |
| JCJerico Concrete INC | Yuma | CO | — | ◇ UNVERIFIED |
| JVJersey Village Rmc Plant | Houston | TX | — | ◇ UNVERIFIED |
| JSJf Shea Construction - Coffee Creek | Coffee Creek | CA | — | ◇ UNVERIFIED |
| JHJ & H Concrete CO. | Wilkes Barre | PA | — | ◇ UNVERIFIED |
| JJJ J Ferguson Sand and Gravel Inc, Winona | Winona | MS | — | ◇ UNVERIFIED |
| JJJ J Ferguson Sand and Gravel, Inverness Concrete | Inverness | MS | — | ◇ UNVERIFIED |
| JKJ.J. Kennedy, Inc. | Imperial | PA | — | ◇ UNVERIFIED |
| JRJLC Ready Mix Inc. | Lincoln | CA | — | ◇ UNVERIFIED |
| JHJm Huber Corporation | Atlanta | GA | — | ◇ UNVERIFIED |
| JSJm Sales & Service, INC. | Galveston | TX | — | ◇ UNVERIFIED |
| JMJobe Materials | El Paso | TX | — | ◇ UNVERIFIED |
| JMJob Mix , INC | Miami | FL | — | ◇ UNVERIFIED |
| JHJoe Hatzer & Son INC | Streator | IL | — | ◇ UNVERIFIED |
| JHJoe Hatzer & Son, INC. | Streator | IL | — | ◇ UNVERIFIED |
| JRJoe's Rentals | Arvin | CA | — | ◇ UNVERIFIED |
| JSJohn S. Olynick, INC. | Gilman | WI | — | ◇ UNVERIFIED |
| JCJohnson Concrete Company | Salisbury | NC | — | ◇ UNVERIFIED |
| JBJohnsons Block and Concrete CO INC | Henderson | NC | — | ◇ UNVERIFIED |
| JSJohnson Stewart LLC - Landfill | Mesa | AZ | — | ◇ UNVERIFIED |
| JTJohn Todd | Lakewood | CO | — | ◇ UNVERIFIED |
| JAJoliet Arsenal Portable Plant | Elwood | IL | — | ◇ UNVERIFIED |
| JAJones and Son INC | Lawrenceville | IL | — | ◇ UNVERIFIED |
| JLJoseph L Pohl Contractor | Nevada | MO | — | ◇ UNVERIFIED |
| JGJtl Group INC. | Belgrade | MT | — | ◇ UNVERIFIED |
| JRJtl-knife River- Portable Lo-pro 250 Cbp | Cheyenne | WY | — | ◇ UNVERIFIED |
| JCJuan Carlos Gonzalez | Byron | CA | — | ◇ UNVERIFIED |
| JHJuan Hernandez Dba Juan Hernandez | Raliegh | NC | — | ◇ UNVERIFIED |
| JWJ. W. Kelso Company, INC. | Galveston | TX | — | ◇ UNVERIFIED |
| KEKalmar Enterprises Iv, LLC | Jefferson | LA | — | ◇ UNVERIFIED |
| KMKansas Minerals | Mankato | KS | — | ◇ UNVERIFIED |
| KRKansas Ready-mix | Park City | KS | — | ◇ UNVERIFIED |
| KQKapa'a Quarry, Ready-mix Batch Plant | Kailua | HI | — | ◇ UNVERIFIED |
| KQKapaa Quarry Recycling INC | Kailua | HI | — | ◇ UNVERIFIED |
| KCKay Concrete Materials -monett | Monett | MO | — | ◇ UNVERIFIED |
| KCKay Concrete Materials-mt. Vernon | Mount Vernon | MO | — | ◇ UNVERIFIED |
| KRKaysville Ready Mix Concrete | Kaysville | UT | — | ◇ UNVERIFIED |
| KRKelley Ready Mix LLC | Batavia | OH | — | ◇ UNVERIFIED |
| KRKelley Ready Mix LLC | Batavia | OH | — | ◇ UNVERIFIED |
| KCKelly's Concrete & Building Materials INC | Fremont | CA | — | ◇ UNVERIFIED |
| KCKendall County Concrete Crushing INC | Bristol | IL | — | ◇ UNVERIFIED |
| KCKendall County Concrete INC | Aurora | IL | — | ◇ UNVERIFIED |
| KBKennendale Batch Plant | Mansfield | TX | — | ◇ UNVERIFIED |
| KCKentucky Concrete INC | Glendale | KY | — | ◇ UNVERIFIED |
| KCKentucky Concrete INC E-town # 1 | Elizabethtown | KY | — | ◇ UNVERIFIED |
| KCKentucky Concrete INC - Plant 2 & 6 | Radcliff | KY | — | ◇ UNVERIFIED |
| KCKentucky Concrete INC - Plant 4 | Cecilia | KY | — | ◇ UNVERIFIED |
| KCKentucky Concrete INC - Shelby CO Concrete INC | Shelbyville | KY | — | ◇ UNVERIFIED |
| KOKenway-concrete of Kentucky LLC | Brownsville (edmonson) | KY | — | ◇ UNVERIFIED |
| KCKenway Concrete of Ky LLC | Glasgow | KY | — | ◇ UNVERIFIED |
| KRKern's Ready Mixed Concrete, INC. | Stillwater | OK | — | ◇ UNVERIFIED |
| KHKerr's Hickory Ready-mixed Concrete Co., INC. | Lenoir | NC | — | ◇ UNVERIFIED |
| KHKerrs Hickory Ready-mixed Concrete Co., Inc., Maiden Plant | Maiden | NC | — | ◇ UNVERIFIED |
| KHKerr's Hickory Ready-mixed Concrete Company, INC. | Hickory | NC | — | ◇ UNVERIFIED |
| KHKerr's Hrm Concrete Co., INC. - Morganton / Industrial Blvd. | Morganton | NC | — | ◇ UNVERIFIED |
| KRKerr's Redi Mix INC | Centre | AL | — | ◇ UNVERIFIED |
| KCKey Concrete Industries | Pinellas Park | FL | — | ◇ UNVERIFIED |
| KLKey Largo Facility | Key Largo | FL | — | ◇ UNVERIFIED |
| KCKeys Concrete Industries, Rm2 | Spring Hill | FL | — | ◇ UNVERIFIED |
| KFKeystone Filler & Mfg/muncy Coal Prep Pl | Muncy | PA | — | ◇ UNVERIFIED |
| KCK-five Construction CO | Lemont | IL | — | ◇ UNVERIFIED |
| KCK-five Construction INC | North Aurora | IL | — | ◇ UNVERIFIED |
| KGK & G Ready Mix INC | Stanton | CA | — | ◇ UNVERIFIED |
| K4Kienstra 44 Llc-rolla | Rolla | MO | — | ◇ UNVERIFIED |
| KBKienstra Block & Brick LLC | Wood River | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Pontoon Beach | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Edwardsville | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Alton | IL | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Granite City | IL | — | ◇ UNVERIFIED |
| KIKienstra INC | Alton | IL | — | ◇ UNVERIFIED |
| KMKienstra Materials Company | Overland | MO | — | ◇ UNVERIFIED |
| KRKienstra Ready Mix | O Fallon | MO | — | ◇ UNVERIFIED |
| KRKienstra Ready Mix | Florissant | MO | — | ◇ UNVERIFIED |
| KWKiewit Western CO | Loveland Area | CO | — | ◇ UNVERIFIED |
| KDKilgore Dba Peak Mat - Hagen Port Rmc Ba | Silverthorne | CO | — | ◇ UNVERIFIED |
