| Carson-mitchell, Inc. | Springfield | MO | $0 |
| Carter Concrete Structures, Inc. | Stone Mountain | GA | Subcontractor |
| Cartor - Sociedade De Construcoes, Lda | Praia Da Vitoria | | $0 |
| Cascade Coil Drapery, Inc. | Tualatin | OR | $0 |
| Caspar Building Systems, Inc. | Casper | WY | $0 |
| Castaway Construction & Restoration LLC | Puunene | HI | Subcontractor |
| Catala Ortiz LLC | Naranjito | PR | $0 |
| Catalyst Partners L.L.C | Grand Rapids | MI | Subcontractor |
| Catamount Constructors Inc. | Lakewood | CO | $0 |
| Cauldwell-wingate Company, LLC | New York | NY | $0 |
| Cavanaugh Building Corp. | Akron | OH | $0 |
| C B Contractors, LLC | Gulfport | MS | Subcontractor |
| CBS Electric Company, Inc. | Hagerstown | MD | $0 |
| C & C Contracting LLC | Russellville | KY | $0 |
| C & C Electrical Contractor, Inc. | Honolulu | HI | $0 |
| C C Engineering & Construction Inc. | Honolulu | HI | $0 |
| C & C Enterprises Of Berea LLC | Berea | KY | $0 |
| C-coast Construction Of Northwest Florida, Inc. | Panama City Beach | FL | $0 |
| CCS Construction Group | Yuma | AZ | $0 |
| CDBL, Inc. | Lawton | OK | $0 |
| C&D Construction, Inc. | Cocoa | FL | $0 |
| Cdi, Inc. | Terre Haute | IN | $0 |
| Cdm-alberici JV | Boston | MA | $0 |
| C.d. Smith Construction, Inc. | Fond Du Lac | WI | $0 |
| CDW Services, LLC | Metairie | LA | $0 |
| Cedar Mill Construction Company, LLC | Tualatin | OR | $0 |
| C.e. Garbutt Construction Company | Dublin | GA | $0 |
| Cely Construction Co. Inc. | Greenville | SC | $0 |
| Cenaxo, LLC | Willington | CT | $0 |
| Centennial Contractors Of The Quad Cities, Inc. | Moline | IL | $0 |
| Centerra Integrated Construction Services, LLC | Herndon | VA | $0 |
| Central Mechanical Inc. | Mandan | ND | $0 |
| Central Valley Hardware Company | Stockton | CA | Subcontractor |
| Centric Construction Group LLC | Kansas City | MO | $0 |
| Centurion Industries Inc. | Garrett | IN | Subcontractor |
| Century Construction Group, Inc. | Tupelo | MS | Subcontractor |
| Century General Contracting Inc. | North Baldwin | NY | $0 |
| Century Steel Erectors Company | Dravosburg | PA | Subcontractor |
| Cesar Uribe | Cuyama | CA | Subcontractor |
| C. E. Wood Construction, Inc. | Duncansville | PA | $0 |
| C & G Contracting Corp. | New York | NY | $0 |
| CGP Construction Co. Inc. | Elkins | WV | $0 |
| Cg Schmidt Inc. | Milwaukee | WI | $0 |
| Chapman Construction/design Company | Newton Highlands | MA | Subcontractor |
| Charles N. White Construction Company | Ridgeland | MS | $0 |
| Chartered General Contractors LLC | New York | NY | $0 |
| C & H Construction Company, Inc. | Idaho Falls | ID | Subcontractor |
| Cheney Construction Inc. | Manhattan | KS | $0 |
| Cherokee Building Materials Inc. | Tulsa | OK | $0 |
| Cherokee Construction Inc. | Wichita | KS | $0 |
| Chervenell Construction Co. | Kennewick | WA | $0 |
| Cheyenne Services & Technologies, LLC | Lawton | OK | Subcontractor |
| C. H. Garmong & Son Inc. | Terre Haute | IN | $0 |
| Choice Builder Solutions LLC | Ontario | CA | Subcontractor |
| Christman Mid Atlantic Constructors, LLC | Sterling | VA | Subcontractor |
| Chris Woods Construction Co. Inc. | Bartlett | TN | $0 |
| Church & Murdock Electric, Inc. | Erie | PA | Subcontractor |
| Cinnamon Creek Construction LLC | Kaysville | UT | $0 |
| Citi Development & Construction Inc. | Tamuning | GU | Subcontractor |
| City Building Inc. | San Mateo | CA | $0 |
| City Of Lancaster | Lancaster | TX | $0 |
| CJS Enterprises Inc. | North Little Rock | AR | Subcontractor |
| Ck Commercial Partners LLC | Millersville | MD | Subcontractor |
| Ck Construction, Inc. | El Paso | TX | $0 |
| Ck USA Guam Inc. | Dededo | GU | Subcontractor |
| Clancy & Theys Construction Co. | Raleigh | NC | $0 |
| Clark Brothers Co. Inc. | Stuart | VA | $0 |
| Clark Contractors Inc. | Bedford | PA | Subcontractor |
| Claude Erps Construction, Inc. | Bluefield | WV | $0 |
| Clayco Inc. | Chicago | IL | $0 |
| Clear Fork Construction, Inc. | Fort Worth | TX | Subcontractor |
| Cliff Thorn Construction, LLC | Richland | WA | Subcontractor |
| Clinker Construction Limited | Lusaka | | $0 |
| Clint Jason Desoto | Deville | LA | $0 |
| C & L Investments LLC | Lamar | CO | $0 |
| Closner Construction & Sales, Inc. | Marquette | MI | $0 |
| CLS Construction LLC | Frederick | MD | Subcontractor |
| Clune Construction Company, L.P. | Chicago | IL | Subcontractor |
| CMS Corporation | Tamuning | GU | Subcontractor |
| CMW Builders, Inc. | Hilmar | CA | $0 |
| CNC Foundations, Inc. | Caseyville | IL | Subcontractor |
| CNS Construction Co.,ltd. | Pyeongtaek-si | GYEONGGI-DO | Subcontractor |
| Coast To Coast Contracting LLC | Fruitland Park | FL | Subcontractor |
| Coda Construction Group, LLC | Denver | CO | $0 |
| Codell Construction Co. | Winchester | KY | $0 |
| Coged | Dakar | | $0 |
| Coge Group Multiservices Societa' A Responsabilita' Limitata Semplificata | Paterno | | $0 |
| Colacurcio Brothers, Inc. | Blaine | WA | $0 |
| Collier Construction Services, LLC | Wheelersburg | OH | Subcontractor |
| Columbia Building Group Inc. | West Palm Beach | FL | Subcontractor |
| Columbia Construction Co. | North Reading | MA | Subcontractor |
| Columbia Enterprises Inc. | Washington | DC | $0 |
| Comas & Comas Contractors, Corp. | Cabo Rojo | PR | $0 |
| Commercial Piping Company | Mcminnville | OR | Subcontractor |
| Commercial Window Systems, Inc. | Canton | MA | Subcontractor |
| Commodore Builders LLC | Newton | MA | $0 |
| Community Contractors Inc. | Grand Forks | ND | $0 |
| Compass Contracting, Inc. | Hampton | VA | Subcontractor |
| Comstock Construction, Inc. | Wahpeton | ND | $0 |
| Concord Construction Inc. | Wapato | WA | $0 |
