| Peck & Peck Excavation Inc. | Post Falls | ID | $0 |
| Peitzmeier Demolition And Concrete Cutting, Inc. | Omaha | NE | Subcontractor |
| Pelland Enterprises, L.L.C | Puyallup | WA | Subcontractor |
| Pennsylvania Drilling Company | Imperial | PA | Subcontractor |
| Performance Landex, LLC | Ridgefield | CT | $0 |
| Peterson Landscaping & Excavation Inc. | Ely | MN | $0 |
| Pihl Inc. | Banks | OR | $0 |
| Pile Drivers, Inc. | Hollywood | SC | Subcontractor |
| Pioneer Civil Construction LLC | Crossett | AR | $0 |
| Platinum Contracting, Inc. | Norco | CA | Subcontractor |
| Precision Underground, LLC | Caldwell | ID | Subcontractor |
| Proficient Excavation LLC | Shelton | WA | Subcontractor |
| Proquality Land Development Inc. | Youngstown | OH | $0 |
| Pure Effect, Incorporated | Fullerton | CA | Subcontractor |
| Qb Enterprises, Inc. | Missoula | MT | $0 |
| Quality Drilling & Blasting, LLC | Bend | OR | $0 |
| R-2 Contractors, Inc. | Prineville | OR | $0 |
| Ragnar Benson, LLC | Rockford | IL | Subcontractor |
| Randazzo Enterprises, Inc. | Castroville | CA | Subcontractor |
| Ranger Excavating LP | Austin | TX | $0 |
| Ray E. Wells, Inc. | Florence | OR | $0 |
| Rb Jergens Contractors Inc. | Vandalia | OH | $0 |
| R Blume Underground, Inc. | Chino Valley | AZ | $0 |
| Rc Demolition LLC | Norfolk | VA | Subcontractor |
| Rc Grading, Inc. | Temecula | CA | Subcontractor |
| RCH Services LLC | Dallas | PA | Subcontractor |
| Red Line Contractors LLC | Springdale | AR | $0 |
| Red Oak Excavating, Inc. | Red Oak | VA | Subcontractor |
| Reign City Services, LLC | Seattle | WA | Subcontractor |
| Renascent Inc. | Indianapolis | IN | $0 |
| R.H.S. Lee, Inc. | Pearl City | HI | Subcontractor |
| Richards Corp. | Terryville | CT | Subcontractor |
| Ricky Frazier Construction LLC | Randleman | NC | $0 |
| Ridgdill & Son Inc. | Clewiston | FL | $0 |
| Ridge Equipment Inc. | Laytonville | CA | $0 |
| Ridge Top LLC | Spring Green | WI | $0 |
| Ridgeview Excavating Inc. | Ortonville | MN | $0 |
| River Construction LLC | Wapello | IA | $0 |
| Riverside Contracting & Excavating LLC | Madison | IN | $0 |
| R & J Dirt Work Inc. | Wolfforth | TX | $0 |
| R.j. Smith Construction Inc. | North Chesterfield | VA | Subcontractor |
| Roadrunner Concrete Cutting, LLC | Port Orchard | WA | Subcontractor |
| Robert T Winzinger Inc. | Hainesport | NJ | Subcontractor |
| Robinson Spring, LLC | Huntsville | AL | $0 |
| Rob's Demolition, Inc. | Spokane | WA | Subcontractor |
| Rock Bottom Construction LLC | Jermyn | PA | Subcontractor |
| Rockin T Construction Inc. | Swan Valley | ID | $0 |
| Roger Lambert Construction | Fallon | NV | Subcontractor |
| Rothel Moody Contracting, Inc. | Opp | AL | $0 |
| Rotschy LLC | Vancouver | WA | $0 |
| Rs Jobber Inc. | Pocatello | ID | $0 |
| Ruby Dome, Inc. | Elko | NV | $0 |
| Ryles Grassing LLC | Baker | FL | Subcontractor |
| Salsbury Engineering, Inc. | Anaheim | CA | $0 |
| Sawyers Land Developing Inc. | Belhaven | NC | $0 |
| Sawyer & Sons Construction, Inc. | Columbia | NC | $0 |
| Schamel Bros Contractors Inc. | Hector | NY | $0 |
| Schluender Construction, Inc. | Monticello | MN | $0 |
| Schnabel Foundation Company | Sterling | VA | Subcontractor |
| Searle Bros. Construction Co. | Rock Springs | WY | $0 |
| Se, Inc. | Wenatchee | WA | $0 |
| Selective Demolition LLC | Gaithersburg | MD | Subcontractor |
| Seven Hills Construction LLC | Iva | SC | Subcontractor |
| Sf Excavating & Septic Systems Inc. | Dalton | MN | $0 |
| Shawboro Land Development, Inc. | Shawboro | NC | Subcontractor |
| Sierra Pacific West, Inc. | Vista | CA | Subcontractor |
| Silverado Contractors, Inc. | Emeryville | CA | Subcontractor |
| Simmons And Simmons Management, Inc. | Clinton | NC | $0 |
| Site Tech Corporation | Providence | RI | $0 |
| Smith And Aguirre Construction Company, Inc. | Las Cruces | NM | Subcontractor |
| Snake River Reclamation LLC | Blackfoot | ID | Subcontractor |
| SNK Enterprises Inc. | Troy | NY | Subcontractor |
| Sober Brothers, Inc. | Ponca City | OK | Subcontractor |
| Soiltesting, Incorporated | Oxford | CT | $0 |
| Sound Excavation Inc. | Port Orchard | WA | Subcontractor |
| Southern 52 Exacavating, Inc. | South Point | OH | $0 |
| Southern California Grading, Inc. | Irvine | CA | Subcontractor |
| Southern Recycling And Demolition, Inc. | Lucedale | MS | $0 |
| Southern Site Works LLC | Kiln | MS | Subcontractor |
| South Florida Land Clearing, Inc. | Fort Pierce | FL | Subcontractor |
| Spencer Enterprises Inc. | Oklahoma City | OK | Subcontractor |
| Spirtas Company | Valley Park | MO | Subcontractor |
| SRS Construction LLC | Riggins | ID | Subcontractor |
| S. Shafer Excavating, Incorporated | Granite City | IL | $0 |
| State Contractors LLC | Lynn Haven | FL | Subcontractor |
| Stennes Excavating, LLC | Alexandria | MN | $0 |
| Stephenson Dirt Contracting LLC | Mount Pleasant | TX | Subcontractor |
| Steve Giordano Builders, Inc. | Yorktown Heights | NY | Subcontractor |
| Steve Lehrkamp Enterprises Inc. | Herreid | SD | $0 |
| Straightline Excavating Inc. | Lynwood | IL | $0 |
| Straight Up Excavation LLC | Wilmington | NC | Subcontractor |
| Strittmatter Contracting LLC | Manassas Park | VA | Subcontractor |
| Strittmatter Metro LLC | Washington | DC | Subcontractor |
| Substruct LLC | Coweta | OK | Subcontractor |
| Suburban Sanitation Service, Inc. | Canton | CT | Subcontractor |
| Suncore Construction And Materials, Inc. | Spanish Fork | UT | Subcontractor |
| Sungdo Construction Co. Ltd. | Seoul | | $0 |
| Superior Blasting Inc. | Boise | ID | $0 |
| Surveying Services, Inc. | Jackson | TN | $0 |
| Suttles Trucking & Grading Inc. | Nebo | NC | $0 |
