| J Fletcher Creamer & Son Inc. | Hackensack | NJ | Subcontractor |
| Jj Westhoff Construction Co. | Lincoln | NE | Subcontractor |
| J. Mack Ent Inc. | Visalia | CA | $0 |
| J&M Excavation & Construction LLC | Sagle | ID | $0 |
| JNB Enterprises, LLC | Cleveland | MS | $0 |
| John Rocchio Corporation | Greenville | RI | $0 |
| K And T Construction Company RLLP | Green Mountain | NC | $0 |
| Katch Environmental Inc. | Fresno | CA | Subcontractor |
| Kat Excavation, Inc. | Bates City | MO | $0 |
| K.b.e. Construction, L.L.C. | Dexter | MO | $0 |
| Kee Concrete & Construction, Inc. | Fort Worth | TX | Subcontractor |
| Keeley Construction Group, Inc. | Saint Louis | MO | Subcontractor |
| Kelly Brothers Inc. | Fort Myers | FL | $0 |
| Kelly Ryan Inc. | Seattle | WA | Subcontractor |
| Kelsey Construction LLC | Louisville | KY | Subcontractor |
| Kevin Kenfield LLC | Columbia Falls | MT | Subcontractor |
| Kian Corp. | Tumon | GU | Subcontractor |
| Kimura Kogyo Ltd. | Iwakuni | | Subcontractor |
| Kinas Excavating, Inc. | Green Lake | WI | $0 |
| Kings Trucking & Excavation Inc. | Seymour | IN | $0 |
| Koga Engineering & Construction, Inc. | Honolulu | HI | Subcontractor |
| Kokes Construction LLC | Ord | NE | Subcontractor |
| Konan, Kk | Misawa-shi | | $0 |
| Kostmayer Construction, LLC | Slidell | LA | $0 |
| Kwaan Construction, LLC | Kake | AK | $0 |
| K West Group LLC | Perrysburg | OH | Subcontractor |
| Laguna Construction Company, Inc. | Albuquerque | NM | $0 |
| Lakeside Construction & Services, Inc. | Finley | ND | $0 |
| Lambert Bros., Inc. | Fort Lauderdale | FL | $0 |
| Landscapes Unlimited, LLC | Lincoln | NE | $0 |
| Laurita Excavating Inc. | Morgantown | WV | $0 |
| Legacy Landworks LLC | Knoxville | MD | Subcontractor |
| Leick Construction, LLC | Glenwood | IA | Subcontractor |
| Leland Landformers LLC | Victoria | TX | $0 |
| Lewis Contracting Services, LLC | Lithonia | GA | $0 |
| L. G. Barcus And Sons, Inc. | Kansas City | KS | $0 |
| L. H. C Incorporated | Kalispell | MT | Subcontractor |
| Lightwave Construction Inc. | San Jose | CA | Subcontractor |
| Lindsay Development LLC | Redmond | OR | $0 |
| LLC "geosoz Petrotaling" | Dushanbe | | Subcontractor |
| Locke-lane Construction Inc. | Stony Point | NC | Subcontractor |
| Loftis Marine Division, Inc. | Milton | FL | $0 |
| Lomma Construction Corporation | Staten Island | NY | $0 |
| Longhorn Excavators Inc. | Richmond | TX | $0 |
| Loupe Construction And Consulting Company Inc. | Reserve | LA | $0 |
| LRL Construction Co. | Tillamook | OR | $0 |
| L. S. Womack, LLC | Port Allen | LA | Subcontractor |
| Lyle Wilkens Inc. | Crookston | MN | Subcontractor |
| Madcon Corp. | Pearl River | LA | Subcontractor |
| Malm Construction Co. | Lindsborg | KS | $0 |
| Manno Construction Services, LLC | Brookville | PA | $0 |
| Marine Floats LLC | Tacoma | WA | $0 |
| M Bowling Inc. | Henderson | KY | Subcontractor |
| Mccrory - Cti Services Inc. | Houston | TX | $0 |
| Meadville Land Service Inc. | Cochranton | PA | Subcontractor |
| Meeco Sullivan, LLC | Warwick | NY | $0 |
| Melgaard Construction Company, Inc. | Gillette | WY | $0 |
| Merlo, Inc. | Mineral Point | PA | $0 |
| Michael A. Becker General Contractor, Inc. | La Grande | OR | $0 |
| Michael Kari | Ventura | CA | Subcontractor |
| Mid-american Gunite, Inc. | Newport | MI | Subcontractor |
| Mid Central Contractors, LLC | Carl Junction | MO | $0 |
| Mid-state Reclamation Inc. | Lakeville | MN | Subcontractor |
| Midwest Rockfall Inc. | Northglenn | CO | Subcontractor |
| Milherst Construction, Inc. | Clarence Center | NY | $0 |
| Miller Bros. Const., Inc. | Archbold | OH | Subcontractor |
| M & J Excavation Inc. | Sugarloaf | PA | $0 |
| MLR Investments LLC | Jackson | TN | $0 |
| M. M. Skyline Contracting, Inc. | Grand Junction | CO | $0 |
| Moll Construction, Inc. | Mc Farland | WI | $0 |
| Moltz Constructors, Inc. | Larkspur | CO | $0 |
| Montana Civil Contractors Inc. | Belgrade | MT | $0 |
| Montezuma Carbon LLC | Emeryville | CA | Subcontractor |
| Morris-shea Bridge Company, Inc. | Irondale | AL | Subcontractor |
| Mountain States Contracting Inc. | Phoenix | AZ | $0 |
| Mt Carmel Stabilization Group Inc. | Mount Carmel | IL | Subcontractor |
| Munck Civil Engineering A/s | Nyborg | | $0 |
| Murray Logan Construction, LLC | West Palm Beach | FL | $0 |
| Musselman & Hall Contractors LLC | Kansas City | MO | Subcontractor |
| Mw Collins, Inc. | Cobbtown | GA | $0 |
| N8 Holmlund Inc. | Gresham | OR | $0 |
| Next Phase Environmental, Inc. | Underwood | IA | $0 |
| Nichols Construction, Inc. | Hortense | GA | $0 |
| Niebur Excavating, LLC | Lewistown | MT | $0 |
| Niemeth Pacific, Inc. | Pacheco | CA | Subcontractor |
| Njirich & Sons, Inc. | Sonora | CA | $0 |
| North Georgia Concrete Inc. | Dahlonega | GA | $0 |
| Northland Docks, Inc. | Woodruff | WI | $0 |
| Northwest Asphalt, Inc. | Shakopee | MN | $0 |
| Northwest Soil Stabilization Inc. | Dallas | OR | Subcontractor |
| Nova Constructors Limited Liability Co. | Nakagami-gun | OKINAWA | $0 |
| Obayashi Corporation | Foster City | CA | $0 |
| Obayashi- Drill Tech Joint Venture | Foster City | CA | Subcontractor |
| Ohana Industries Ltd. | Clarkson | KY | $0 |
| Ohla USA, Inc. | East Elmhurst | NY | $0 |
| Ohopaki General Contracting & Mechanical Inc. | Heavener | OK | $0 |
| Orion Construction, LLC | Houston | TX | Subcontractor |
| Oxbo, Inc. | Scappoose | OR | Subcontractor |
| Pacific Coast General Engineering, Inc. | Pittsburg | CA | Subcontractor |
| Pacific Pile & Marine LP | Seattle | WA | Subcontractor |
