| RCRowe Contracting CO | Malden | MA | — | ◇ UNVERIFIED |
| RHRti Hot Mix North Asphalt Plant | Georgetown | TX | — | ◇ UNVERIFIED |
| RSRt Site Development, LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| RLRumble Landfill #2 | Sugar Creek | MO | — | ◇ UNVERIFIED |
| RPRussell Paving Co, INC. | East New Market | MD | — | ◇ UNVERIFIED |
| RSRussell Standard Baltimore | Curtis Bay | MD | — | ◇ UNVERIFIED |
| RSRussell Standard CORP | Waterford | PA | — | ◇ UNVERIFIED |
| RSRussell Standard Seaford | Seaford | DE | — | ◇ UNVERIFIED |
| RERyco Equipment Leasing R L L P | Colorado City | CO | — | ◇ UNVERIFIED |
| SFSafe Fix | Maywood | CA | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 2 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 4 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Ubly | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Vassar | MI | — | ◇ UNVERIFIED |
| SCSaguache Cnty Road & Bridge Dept | Del Norte | CO | — | ◇ UNVERIFIED |
| SPSaint-gobain Proppants (lr) | Benton | AR | — | ◇ UNVERIFIED |
| SKSalina, Ks Stockpile | Salina | KS | — | ◇ UNVERIFIED |
| SASalmon Asphalt and Paving 00443 | Portable | ID | — | ◇ UNVERIFIED |
| SFSam Finley Asphalt | Brookhaven | MS | — | ◇ UNVERIFIED |
| SESandeno East INC | Hazel Crest | IL | — | ◇ UNVERIFIED |
| SISandeno INC | Rockdale | IL | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction | Summerville | SC | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction:#1 | Summerville | SC | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction:#2 | N Charleston | SC | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction Company INC Mount Holly Plant | Moncks Corner | SC | — | ◇ UNVERIFIED |
| SPSand Pit | Lake Havasu City | AZ | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO. | Bakersfield | CA | — | ◇ UNVERIFIED |
| SBSanta Barbara Trust for Historic Preservation | Santa Barbara | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates INC. | Woodlake | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates, INC. | Waterford | CA | — | ◇ UNVERIFIED |
| SCSanzari Construction CO | Lyndhurst | NJ | — | ◇ UNVERIFIED |
| SCSargent Corporation | Hermon | ME | — | ◇ UNVERIFIED |
| SPSarver Paving Company (0193) (0303010193) | Ashland | OH | — | ◇ UNVERIFIED |
| SCSatterfield Construction:# 3 | Blair | SC | — | ◇ UNVERIFIED |
| SCSatterfield Construction CO INC Graniteville Plt | Graniteville | SC | — | ◇ UNVERIFIED |
| SCSatterfield Construction Company - Clinton Asphalt Plant | Clinton | SC | — | ◇ UNVERIFIED |
| SCSatterfield Construction Company INC Eureka | Eureka | SC | — | ◇ UNVERIFIED |
| SCSatterfield Construction Company Incorporated | Greenwood | SC | — | ◇ UNVERIFIED |
| SQSavanna Quarry INC | Savanna | IL | — | ◇ UNVERIFIED |
| SOSayler of AL, Inc | Decatur | AL | — | ◇ UNVERIFIED |
| SOSayler of GA, Inc. | Atlanta | GA | — | ◇ UNVERIFIED |
| SBSbs Blacktop Service INC | Hibbing | MN | — | ◇ UNVERIFIED |
| SPScanlon Pit | Cloquet | MN | — | ◇ UNVERIFIED |
| SSScappoose Sand and Gravel CO | Scappoose | OR | — | ◇ UNVERIFIED |
| SCSchellinger Construction - 3045 | Hamilton | MT | — | ◇ UNVERIFIED |
| SCSchellinger Construction CO. INC. | Seeley Lake | MT | — | ◇ UNVERIFIED |
| SCSchiralli Construction CORP / Portable Plant 1 | Wilson | OK | — | ◇ UNVERIFIED |
| SCSchmidt Const CO | Castle Rock | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO - Fountain Pit | Fountain | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO INC Mencenberg Quarry | Castle Rock | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO - Menzer | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SCSchmidt Construction Co.-delta Drive Fac | Colorado Springs | CO | — | ◇ UNVERIFIED |
| STSchmidt Tiago Const CO | Arvada | CO | — | ◇ UNVERIFIED |
| SESchrader Environmental Services | Fort Collins | CO | — | ◇ UNVERIFIED |
| SISchuller International, INC. | Willows | CA | — | ◇ UNVERIFIED |
| SMScioto Materials LLC | Westerville | OH | — | ◇ UNVERIFIED |
| SMScioto Materials LLC (0125042399) | Columbus | OH | — | ◇ UNVERIFIED |
| SMScioto Materials LLC St. Louisville (0145000400) | Saint Louisville | OH | — | ◇ UNVERIFIED |
| SCScott Construction INC - Jackson Quarry | Loganville | WI | — | ◇ UNVERIFIED |
| SCScotty's Contacting and Stone LLC - Hart County Stone | Horse Cave | KY | — | ◇ UNVERIFIED |
| SCScotty's Contracting | Elkton | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC | Bowling Green | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC | Hartford | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC | Russellville | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC | Cave City | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC | Franklin | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Allen CO Asphalt Plant - Portable | Tompkinsville | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Asphalt Plant | Cave City | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Fort Knox Plant 4 | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Glasgow Quarry | Cave City | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Mcginnis Quarry - Portable | Franklin | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Mcginnis Quarry Portable | Bowling Green | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Mcginnis Quarry Portable | Upton | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Metcalfe CO Quarry | Knob Lick | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Portab | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Portable Asphalt Plant | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Portable Power Screen | Fort Knox | KY | — | ◇ UNVERIFIED |
| SCScotty's Contracting & Stone LLC - Qualified Paving | Leitchfield | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Rocky Asphalt Plant E-town | Horse Cave | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Scottsville Asphalt Plant | Scottsville | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Tompkinsville Asphalt Plant | Tompkinsville | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Upton Plant 7 | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Warren Portable Asphalt 1 | Bowling Green | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Wash Plant- Portable | Leitchfield | KY | — | ◇ UNVERIFIED |
| SASeaboard Asphalt Products Company | Baltimore | MD | — | ◇ UNVERIFIED |
| SLSealmaster Los Angeles | San Diego | CA | — | ◇ UNVERIFIED |
| SOSealmaster of Kansas City | Kansas City | MO | — | ◇ UNVERIFIED |
| SMSeal Masters | Bakersfield | CA | — | ◇ UNVERIFIED |
| SUSealmaster Utah | West Valley City | UT | — | ◇ UNVERIFIED |
| SISecon, Inc./stansteel 3000 | Bellevue | WA | — | ◇ UNVERIFIED |
| SCSedgwick CO. Public Works (asphalt Plant)(air) | Wichita | KS | — | ◇ UNVERIFIED |
| SKSedgwick, Ks Stockpile | Sedgwick | KS | — | ◇ UNVERIFIED |
| SSSellersburg Stone CO INC (asphalt) | Sellersburg | IN | — | ◇ UNVERIFIED |
| SSemmaterials | Spokane | WA | — | ◇ UNVERIFIED |
| SMSem Materials, INC. | Ardmore | OK | — | ◇ UNVERIFIED |
| SLSemmaterials LP | Conley | GA | — | ◇ UNVERIFIED |
| SLSemmaterials, L.p. - Ogden Ut | Ogden | UT | — | ◇ UNVERIFIED |
| SASenate Asphalt | Washington | DC | — | ◇ UNVERIFIED |
| SPSeneca Petroleum CO. | Toledo | OH | — | ◇ UNVERIFIED |