| RCRussell County Asphalt Plant | Castlewood | VA | — | ◇ UNVERIFIED |
| RRRussell Ready Mix Concrete | Russell | KS | — | ◇ UNVERIFIED |
| RSRussell S&g - Portable Asphalt Plant 2 ,gcp3 - 3200 | Portable Source | NM | — | ◇ UNVERIFIED |
| RSRussell Standard / Hammaker East LTD | Akron | OH | — | ◇ UNVERIFIED |
| RARustin Ardmore Rmc Plant | Ardmore | OK | — | ◇ UNVERIFIED |
| RCRvier City Redemix | Salmon | ID | — | ◇ UNVERIFIED |
| RERyco Equipment Leasing R L L P | Colorado City | CO | — | ◇ UNVERIFIED |
| SSacaton | Sacaton | AZ | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 2 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Vassar | MI | — | ◇ UNVERIFIED |
| SRSaginaw Rock Products Company | Saginaw | MI | — | ◇ UNVERIFIED |
| SCSaguache Cnty Road & Bridge Dept | Del Norte | CO | — | ◇ UNVERIFIED |
| SNSaint-gobain Norpro | Stow | OH | — | ◇ UNVERIFIED |
| SASan Angelo 1 | San Angelo | TX | — | ◇ UNVERIFIED |
| SASan Angelo 2 | San Angelo | TX | — | ◇ UNVERIFIED |
| SASan Angelo Ready Mix Plant | San Angelo | TX | — | ◇ UNVERIFIED |
| SISandco INC | Durango | CO | — | ◇ UNVERIFIED |
| SESandeno East INC | Hazel Crest | IL | — | ◇ UNVERIFIED |
| SISandeno INC | Rockdale | IL | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction | Summerville | SC | — | ◇ UNVERIFIED |
| SCSandidge Concrete - Jefferson City | Jefferson City | MO | — | ◇ UNVERIFIED |
| SASanford Airport Temporary Batch Plant | Sanford | FL | — | ◇ UNVERIFIED |
| SFSan Francisco (a) | San Francisco | CA | — | ◇ UNVERIFIED |
| SCSannipoli CORP | Menifee | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates, INC. | Waterford | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Materials, Winton Plant | Winton | CA | — | ◇ UNVERIFIED |
| SXSan Xavier Rock & Materials - Cortaro Plant #23 | Tucson | AZ | — | ◇ UNVERIFIED |
| SCSanzari Construction CO | Lyndhurst | NJ | — | ◇ UNVERIFIED |
| SCSargent Corporation | Stillwater | 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 |
| SBS B Cox Incorporated - Powhatan | Powhatan | VA | — | ◇ UNVERIFIED |
| SBS B Cox Ready Mix INC Doswell Plant | Doswell | VA | — | ◇ UNVERIFIED |
| SBSbs Blacktop Service INC | Hibbing | MN | — | ◇ UNVERIFIED |
| SCScc Concrete INC | Lopatcong | NJ | — | ◇ UNVERIFIED |
| SRSchaaf Redi Mix | Atkinson | NE | — | ◇ UNVERIFIED |
| SCSchellinger Construction - 3045 | Hamilton | MT | — | ◇ UNVERIFIED |
| STSchlumberger Technology Corporation | Grand Junction | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO | Castle Rock | CO | — | ◇ UNVERIFIED |
| STSchmidt Tiago Const CO | Arvada | CO | — | ◇ UNVERIFIED |
| SLSchneider Labs INC | Richmond | VA | — | ◇ UNVERIFIED |
| SQSchoharie Quarry | Schoharie | NY | — | ◇ UNVERIFIED |
| SSSchrey Systems INC | Newton | IL | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-guilford Rd | Jessup | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-hobbs Rd | Denton | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-southlawn Ln | Rockville | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix - One Logistics | Winchester | VA | — | ◇ UNVERIFIED |
| SDSchuster, Daniel, INC. | Owings Mills | MD | — | ◇ UNVERIFIED |