| Ismael Rental & Construction Corp. | Jayuya | PR | $0 |
| James Bros Construction Inc. | Elysian | MN | $0 |
| James W. Fowler Co. | Dallas | OR | $0 |
| Jay Bearden Construction, Inc. | Richland | MS | $0 |
| JBM Construction, Inc. | Las Vegas | NV | Subcontractor |
| Jerry Bornhoft Construction Inc. | Riverton | WY | $0 |
| Jesperson, Kenneth R. | Ekalaka | MT | $0 |
| J. H. G. Contractors, Inc. | Frederick | MD | Subcontractor |
| J & H Services, Inc. | Albuquerque | NM | $0 |
| J H Waters Inc. | Irwin | PA | Subcontractor |
| J. Iapaluccio, Inc. | Brookfield | CT | Subcontractor |
| Jimmie M. Garcia Construction, Inc. | Wichita Falls | TX | $0 |
| J & K Contracting Lc | Junction City | KS | $0 |
| J & K Utility Services, LLC | Creedmoor | TX | $0 |
| J & L Underground, Inc. | Milton | FL | Subcontractor |
| JMC Contractors Inc. | Glen Mills | PA | $0 |
| Joao And Bradley Construction Company, Inc. | Bethlehem | PA | Subcontractor |
| Joe's Digging Service, Inc. | Williston | ND | $0 |
| John Madonna Construction Co. Inc. | San Luis Obispo | CA | $0 |
| Johnson Well Drilling LLC | Foley | AL | Subcontractor |
| Jones & Sons Excavating, Inc. | Christiansburg | VA | $0 |
| Jowers General Contracting, Inc. | Blytheville | AR | $0 |
| J & R Contractors Inc. | Palestine | AR | $0 |
| Judds Bros Construction Co. | Lincoln | NE | $0 |
| Justice Well Drilling, Inc. | Marion | NC | $0 |
| Jw Dell Co. Inc. | Hampstead | MD | $0 |
| J. W. Heavrin Inc. | Little Rock | AR | $0 |
| Kana Subsurface Engineering | Riverside | CA | $0 |
| Karlsruher, Inc. | El Paso | TX | Subcontractor |
| Kd Services, LLC | Pinedale | WY | Subcontractor |
| Keller William J & Sons Construction Corp. | Castleton On Hudson | NY | Subcontractor |
| Kemper Construction Co. | Minot | ND | Subcontractor |
| Kenneth Krueger | Lincoln | KS | $0 |
| King Construction, Inc. | Fernley | NV | Subcontractor |
| Kingsley Arms, Inc. | Schaghticoke | NY | Subcontractor |
| Kinkaid Civil Construction LLC | Mesa | AZ | Subcontractor |
| Kissick Construction Co. Inc. | Kansas City | MO | Subcontractor |
| Kohnen's Concrete Products, Inc. | Germantown | IL | $0 |
| Korando Corporation | Tamuning | GU | Subcontractor |
| KPH Inc. | Fargo | ND | $0 |
| Kukurin Contracting Inc. | Export | PA | $0 |
| K W Excavation Inc. | Tooele | UT | Subcontractor |
| Kyne Construction Inc. | El Cajon | CA | Subcontractor |
| Lagreca Services, Inc. | Schriever | LA | Subcontractor |
| Lake Arrowhead Construction, Inc. | Cedar Glen | CA | $0 |
| Lakeside Excavation, Inc. | Havre | MT | $0 |
| Lako Drilling, Inc. | Arthur | ND | $0 |
| Landmark Structures I LP | Southlake | TX | Subcontractor |
| La Riviere Inc. | Rathdrum | ID | $0 |
| Laurel Management Co. | Johnstown | PA | Subcontractor |
| Lawson-bonet Construction, Inc. | Hammond | LA | $0 |
| Lb Industries, Inc. | Hellertown | PA | $0 |
| Leher Painting Enterprises, Inc. | Mayflower | AR | $0 |
| Letco, Inc. | Wendell | NC | $0 |
| L. Howard Construction, Inc. | Shallowater | TX | $0 |
| Linaweaver Construction, Inc. | Lansing | KS | Subcontractor |
| L&L Mechanical, Inc. | Blackfoot | ID | Subcontractor |
| LSC Inc. | Fort Peck | MT | $0 |
| Lyman Well Company, LLC | Gulfport | MS | $0 |
| Macks Drilling Inc. | Raton | NM | $0 |
| Madden Phillips Construction, Inc. | Piperton | TN | $0 |
| Maher Services, LLC | North Reading | MA | Subcontractor |
| Marianas Drilling Inc. | Barrigada | GU | Subcontractor |
| Maroni Construction Inc. | Enumclaw | WA | $0 |
| Martina SRL | Codroipo | | $0 |
| Mathis Construction Co. Inc. | Little Egg Harbor TWP | NJ | $0 |
| Maverick Drilling, Inc. | Mesilla Park | NM | $0 |
| Maxwell Construction, Inc. | Iowa City | IA | Subcontractor |
| Mayer Specialty Services LLC | Goddard | KS | $0 |
| Mb Drilling LLC | West Creek | NJ | Subcontractor |
| Mccall Brothers, Inc. | Charlotte | NC | $0 |
| Mcclure And Sons, Inc. | Mill Creek | WA | $0 |
| Mcdonald Bros. Construction Inc. | Camp Verde | AZ | $0 |
| Mcfall Excavating, Inc. | Clintwood | VA | $0 |
| Mclemore Service Contractors, LLC | Minden | LA | Subcontractor |
| Md Lexi Corporation | Jefferson Township | PA | $0 |
| Meadows Contracting LLC | Adams | TN | $0 |
| Mega Construction LLC | Honolulu | HI | $0 |
| Mehta Mechanical Company, Inc. | La Palma | CA | $0 |
| Mick Mehler And Sons, Inc. | Silex | MO | $0 |
| Mid Atlantic Pump & Equipment Co. Inc. | Berlin | NJ | $0 |
| Midlands Contracting Inc. | Kearney | NE | $0 |
| Mid South Water, LLC | Cleveland | MS | $0 |
| Midstate Pipeline Maintenance, LLC | Belle | MO | $0 |
| Mike Zimmerman Well Service, LLC | Lake Point | UT | $0 |
| M. M. C., Inc. | Las Vegas | NV | $0 |
| Montana Underground Construction, Inc. | Helena | MT | $0 |
| Monterey Mechanical Co. | Oakland | CA | $0 |
| Moodys Of Dayton Inc. | Miamisburg | OH | Subcontractor |
| Moreau Construction Company, L.L.C. | Oscar | LA | $0 |
| Morgan Contracting, Inc. | Knoxville | TN | $0 |
| Morgan Site Contractors, LLC | Milford | PA | Subcontractor |
| Morrow Enterprises, Inc. | Las Cruces | NM | Subcontractor |
| Morrow Water Technologies, Inc. | Birmingham | AL | $0 |
| Mountain Cascade, Inc. | Livermore | CA | Subcontractor |
| Mountain High Excavating LLC | Flagstaff | AZ | $0 |
| Mozingo Construction, Inc. | Oakdale | CA | $0 |
| M Phillips Construction Inc. | Magazine | AR | $0 |
| MPS Engineers, P.C. | Des Moines | IA | $0 |
| Murphy Pipeline Contractors LLC | Sunrise | FL | $0 |
