| Scribner LLC | Edgewood | NM | Subcontractor |
| Scs.inc | Littleton | CO | $0 |
| SDB Inc. | Tempe | AZ | $0 |
| S & D Construction Management Inc. | Lexington | KY | Subcontractor |
| Seals Construction Inc. | Visalia | CA | $0 |
| Sea Side Associates LP | Chelan | WA | $0 |
| Sea Tech Of The Florida Keys, Inc. | Big Pine Key | FL | $0 |
| Seaver Construction, Inc. | Woburn | MA | $0 |
| Sea West Enterprises Inc. | San Dimas | CA | Subcontractor |
| Sedalco, Inc. | Fort Worth | TX | $0 |
| S E Davis Construction, LLC | Laplata | MD | $0 |
| Segel & Co. Inc. | Armonk | NY | $0 |
| Sellen Construction Co. Inc. | Seattle | WA | $0 |
| Sellers & Sons, Inc. | Buckeye | AZ | $0 |
| Senne And Company, Inc. | Topeka | KS | Subcontractor |
| Sevillano, Manuel | El Paso | TX | $0 |
| SFMS LLC | Gaithersburg | MD | $0 |
| S G Construction Co. | West Burlington | IA | Subcontractor |
| Shady Grove Development Park Ix L.L.L.P | Germantown | MD | $0 |
| Shady Lane Construction LLC | Leonardtown | MD | Subcontractor |
| Shamrock Construction Company | Nashville | TN | $0 |
| Shannon Construction Company | Pittsburgh | PA | Subcontractor |
| Sharan Builders Inc. | College Point | NY | Subcontractor |
| Shaw Construction And Electric LLC | Dayton | OH | Subcontractor |
| Shaw Construction Co. Inc. | Spring Lake | NC | Subcontractor |
| Shaw Construction, Corp. | Yorktown | VA | Subcontractor |
| Shaw - Lundquist Associates, Inc. | Saint Paul | MN | $0 |
| Shawmut Woodworking & Supply, Inc. | Boston | MA | Subcontractor |
| Shelter Solutions LLC | Albuquerque | NM | Subcontractor |
| Sheri - Key | Fairfield | ME | $0 |
| Shiel Sexton Co. Inc. | Indianapolis | IN | $0 |
| Shimizu Corporation | Chuo-ku | | $0 |
| Shinsedae Tech Co.,ltd. | Seoul | | $0 |
| Shioi Construction Inc. | Pearl City | HI | Subcontractor |
| Shoemaker Construction Company, Inc. | Vienna | IL | $0 |
| Shoreline Industries Incorporated | Portsmouth | VA | Subcontractor |
| Shulman Industries Inc. | Commack | NY | $0 |
| Sierra Harware Products Inc. | Sonora | CA | Subcontractor |
| Sierra Services LLC | Grandview | MO | Subcontractor |
| Sierra Vista Builders Supply, Inc. | Sierra Vista | AZ | $0 |
| Silent Option Engineering | General Santos City | | $0 |
| Silva General Construction, Inc. | Poway | CA | $0 |
| Simaar General Service & Logistic Company | Wanle Weyn | | Subcontractor |
| Simcon Company, LLC | Mount Airy | NC | $0 |
| Simpson Walker Contracting Corp. | Phoenix | AZ | $0 |
| Sivadd LLC | Saint Petersburg | FL | $0 |
| Sjostrom & Sons Inc. | Rockford | IL | Subcontractor |
| S.j. Thomas Company, Inc. | Lansdowne | PA | $0 |
| Skanska USA Building Inc.Orlando, FL · UEI QT57WHVVRKB5 | Orlando | FL | $0 |
| Skanska USA Building Inc.Rockville, MD · UEI TMETMZEWNTJ6 | Rockville | MD | $0 |
| Skanska USA Building Inc.Parsippany, NJ · UEI DG1JYKL93JK5 | Parsippany | NJ | $0 |
| Skanska USA Building Inc.Phoenix, AZ · UEI EH85FMUB4NA7 | Phoenix | AZ | $0 |
| Skanska USA Building Inc.Atlanta, GA · UEI HSHBF3HWNMM1 | Atlanta | GA | $0 |
| Skanska USA Building Inc.Seattle, WA · UEI P8YKFVW36L29 | Seattle | WA | $0 |
| Skyline Builders & Restoration, Inc. | Phoenix | AZ | $0 |
| Skyline Industries LLC | Englewood City | NJ | $0 |
| Skyward Construction, LLC | Ridgefield | WA | $0 |
| Slade Land Use, Environmental, And Transportation Planning, LLC | Birmingham | AL | $0 |
| Slater Waterproofing Inc. | Montclair | CA | Subcontractor |
| Sletten Construction Of Wyoming Inc. | Cody | WY | $0 |
| Smart Construction S.a. | Chania | | $0 |
| Smet Construction Services Corp. | De Pere | WI | $0 |
| Smith Construction Co. | Lacombe | LA | $0 |
| Smith Mechanical-electrical-plumbing | Santa Maria | CA | Subcontractor |
| SMJ Construction, Inc. | Hyattsville | MD | Subcontractor |
| Smoot Construction LLC | Indianapolis | IN | $0 |
| Solid Structures, LLC | Lexington | SC | $0 |
| Solomon Builders, Inc. | Nashville | TN | Subcontractor |
| Sossamon Construction Company, Inc. | Gaffney | SC | $0 |
| Sota Construction Services, Inc. | Bellevue | PA | $0 |
| Sourceblue, LLC | Saddle Brook | NJ | Subcontractor |
| Southcentral Communications, LLC | Soldotna | AK | $0 |
| Southwest First Aid And Safety Supply, Inc. | El Paso | TX | $0 |
| Southwinds Contracting Inc. | Oak Grove | KY | Subcontractor |
| Spaller & O'brien, LLC | Wilmington | NC | $0 |
| Span Systems, Inc. | Exeter | NH | Subcontractor |
| Spartan Building Corporation | Madisonville | LA | $0 |
| Spaw Glass Construction Corp. | Houston | TX | $0 |
| Specialty Modular Inc. | Boise | ID | $0 |
| Specpro, Inc. | San Antonio | TX | Subcontractor |
| Spectra Company | Pomona | CA | Subcontractor |
| Speedway Constructors Inc. | San Diego | CA | Subcontractor |
| Spindler Construction Corporation | Logan | UT | $0 |
| Spotts Brothers, Inc. | Schuylkill Haven | PA | $0 |
| Spruill Construction Corp. | Linden | NC | $0 |
| Spurlock, Inc. | Searcy | AR | $0 |
| Ssangyong Engineering & Construction Co.,ltd | Seoul | | $0 |
| SSB Contracting, Inc. | Salinas | CA | Subcontractor |
| Staffco Construction Inc. | Fairborn | OH | $0 |
| Stafford Building Products Inc. | Waterville | OH | $0 |
| Stafford Systems Inc. | Manassas Park | VA | Subcontractor |
| Standard Builders, Inc. | Memphis | TN | $0 |
| Standard Waterproofing Inc. | Winslow | ME | Subcontractor |
| Stansell Electric Company, Incorporated | Nashville | TN | Subcontractor |
| Starcom Builders, Inc. | Honolulu | HI | Subcontractor |
| Starks Contracting Company, Inc. | Biloxi | MS | $0 |
| Steed Construction, Inc. | Eagle | ID | $0 |
| Steen Construction Co. Limited | Amarillo | TX | $0 |
| Stellar Business Solutions LLC | Fort Lauderdale | FL | Subcontractor |
| Stellar Group, Incorporated | Jacksonville | FL | $0 |
