| Jordan Specialty Excavation LLC | Meadville | PA | $0 |
| Joseph Mccormick Construction Co. Inc. | Erie | PA | Subcontractor |
| Joseph M Sanzari Inc. | Hackensack | NJ | $0 |
| J.p. Hogan Coring & Sawing, Corp. | Staten Island | NY | Subcontractor |
| J. P. Sicard, Inc. | Barton | VT | $0 |
| J.r. Striping, Inc. | Anton Chico | NM | $0 |
| Jr Wilson Construction Co. Inc. | Varnville | SC | $0 |
| J. Sanders Construction Co. | West Point | VA | $0 |
| J&S Asphalt, Inc. | Lakeside | CA | Subcontractor |
| JTL Group, Inc. | Cheyenne | WY | Subcontractor |
| Kailas, Corp. | Davie | FL | $0 |
| Kamps Painting Company, Inc. | Lynden | WA | $0 |
| Karvonen Sand & Gravel, Inc. | Battle Ground | WA | Subcontractor |
| Kass Bros., Inc. | Westwego | LA | $0 |
| Katterman Trucking, Inc. | Hale | MI | $0 |
| Kauai, County Of | Lihue | HI | $0 |
| Kci Construction Co. | Saint Louis | MO | $0 |
| Keller Allen Co. LLC | Fredericksburg | TX | $0 |
| Kerr Contractors Oregon, LLC | Woodburn | OR | $0 |
| Key, LLC | Madison | MS | $0 |
| KHM Inc. | Binghamton | NY | $0 |
| Kiewit Infrastructure Co. | Lone Tree | CO | $0 |
| Kiewit Louisiana Co. | New Orleans | LA | $0 |
| Kiewit New Mexico Co. | Albuquerque | NM | Subcontractor |
| Kiewit Texas Construction L.P | Fort Worth | TX | $0 |
| Kilian Corp. | Mascoutah | IL | $0 |
| Killough Construction Inc. | Ottawa | KS | $0 |
| Kings Construction Co. Inc. | Oskaloosa | KS | Subcontractor |
| Kirk Barnes Construction, Inc. | Valentine | NE | $0 |
| Koch General Engineering, Inc. | Alpine | CA | Subcontractor |
| Kodiak Pacific Construction Co. | Sherwood | OR | Subcontractor |
| Krieg Construction, Inc. | Oak Harbor | WA | Subcontractor |
| Krisanna Construction Inc. | Hammonton | NJ | $0 |
| Kysar & Koistinen, Inc. | Woodland | WA | Subcontractor |
| L A Fuller & Sons Construction, Ltd. | Amarillo | TX | Subcontractor |
| Lageco Di Parisi Adriana S.R.L. | Catania | CT | $0 |
| Lagniappe Development Co. Inc. | Buford | GA | $0 |
| Lakeland Asphalt Corporation | Springfield | MI | $0 |
| Lakeside Industries Inc. | Issaquah | WA | Subcontractor |
| Lamay Group LLC | Lafayette | LA | $0 |
| Lamon Construction Company, Inc. | Yuba City | CA | $0 |
| Landmark Contracting Inc. | Gulfport | MS | Subcontractor |
| Landscape Pavers LLC | Charleston | SC | $0 |
| Landwehr Construction, Inc. | Saint Cloud | MN | $0 |
| Lane Construction Co. Of Mississippi, Inc. | Ocean Springs | MS | $0 |
| Lanford Brothers Company, Incorporated | Roanoke | VA | $0 |
| Larosa Construction Co. Inc. | Meriden | CT | $0 |
| Larosa Earth Group, LLC | Meriden | CT | $0 |
| Laydon Industries, LLC | New Haven | CT | $0 |
| Lazaro Paving Corp. | Shirley | MA | $0 |
| L.b. Civil Construction, Incorporated | Escondido | CA | $0 |
| L.d. Perry, Inc. | Joseph | OR | $0 |
| Legion Asphalt Inc. | Wallace | NC | Subcontractor |
| Lehman-roberts Company | Memphis | TN | $0 |
| Lentz Construction Co. Inc. | Morrilton | AR | $0 |
| Leustek Louis & Sons Inc. | Ely | MN | $0 |
| Lipps Paving LLC | London | KY | $0 |
| Lithified Technologies US, LLC | Santa Fe | NM | Subcontractor |
| Little Joe's Asphalt, Inc. | Bonner Springs | KS | Subcontractor |
| L & J Construction Group, LLC | Ennis | MT | Subcontractor |
| L.j. Construction, Inc. | Clifford | MI | $0 |
| L & L Asphalt LLC | Phoenix | AZ | $0 |
| L.m. Sessler Excavating & Wrecking, Inc. | Waterloo | NY | Subcontractor |
| Lobar Site Development Corp. | Dillsburg | PA | $0 |
| Lockhart Concrete Co. | Akron | OH | $0 |
| Loiseau Construction Inc. | Flandreau | SD | $0 |
| L. S. Lee, Inc. | York | PA | $0 |
| Lu Inc. | Kingston Springs | TN | Subcontractor |
| Lunda Construction Company | Black River Falls | WI | $0 |
| Lyndon Jones Construction, Inc. | Salt Lake City | UT | $0 |
| Lynn Thomas Grading Inc. | Polkton | NC | $0 |
| M 2 Industrial, Inc. | Ellensburg | WA | Subcontractor |
| Mac Construction & Excavating Inc. | New Albany | IN | $0 |
| Mackay Construction Services Inc. | Wilmington | MA | Subcontractor |
| Maggiora And Ghilotti, Inc. | San Rafael | CA | $0 |
| Maine Department Of Transportation | Augusta | ME | $0 |
| Makco Inc. | Louisa | VA | $0 |
| Mallette Brothers Construction Co. Inc. | Gautier | MS | $0 |
| Malouf Construction LLC | Greenville | MS | $0 |
| Manatt's, Inc. | Brooklyn | IA | $0 |
| Manhole Adjusting Inc. | Pico Rivera | CA | $0 |
| Marathon General, Inc. | Escondido | CA | Subcontractor |
| Marcor Construction, Inc. | Nashville | TN | Subcontractor |
| Markings, Incorporated | Pembroke | MA | $0 |
| Mark Rite Lines Equipment Company, Inc. | Billings | MT | Subcontractor |
| Mark Sand & Gravel Co. | Fergus Falls | MN | $0 |
| Mark Thomas Logging | Seiad Valley | CA | $0 |
| Martin & Co. Excavating | Oregon | IL | Subcontractor |
| Martin Construction Inc. | Dickinson | ND | $0 |
| Martinez Bros. Contractors, LLC | El Paso | TX | Subcontractor |
| Martin Laviero Contractor Inc. | Bristol | CT | $0 |
| Martin-robbins Fence Co. Inc. | Snellville | GA | $0 |
| Martins Construction Corp. | Falls Church | VA | $0 |
| Maryland Department Of Transportation | Baltimore | MD | $0 |
| Masonry Resurfacing And Construction Company, Inc. | Baltimore | MD | Subcontractor |
| Matcon Diamond Inc. | Pittsburgh | PA | Subcontractor |
| Mattiola Services, LLC | Skippack | PA | $0 |
| Mattison Contractors Inc. | Knapp | WI | $0 |
| Maui Kupono Builders LLC | Kahului | HI | Subcontractor |
| Maui Paving LLC | Kihei | HI | $0 |
