Boring Counties Served

National Undergrounding provides directional boring, horizontal auger boring and tunneling contractor services to counties across the US. We offer county service either directly or through our various partnerships depending on each county’s market conditions and resource availability.

Looking for the best boring company in your county?

Visit your county to learn more or contact us now to request directional drilling service in your county directly.

Choose your county below to find boring contractor services located near you.

County Government

From general county roads to utility infrastructure, we have the expertise and assets to serve county government agencies.

National Undergrounding auger boring, horizontal directional drilling and trenchless underground HDD construction teams can complete county government utility crossings on time and within budget.

National Undergrounding services are available under numerous United States government contract vehicles through our affiliates via SBA 8(a), Certified Service Disabled Veteran Owned Small Business (SDVOSB) and others.

Pulling For You ™

Adams County, CO National Undergrounding

Alameda County, CA National Undergrounding

Allegheny County, PA National Undergrounding

Anne Arundel County, MD National Undergrounding

Arapahoe County, CO National Undergrounding

Baltimore County, MD National Undergrounding

Bergen County, NJ National Undergrounding

Bernalillo County, NM National Undergrounding

Bexar County, TX National Undergrounding

Brevard County, FL National Undergrounding

Bristol County, MA National Undergrounding

Bronx County, NY National Undergrounding

Broward County, FL National Undergrounding

Bucks County, PA National Undergrounding

Camden County, NJ National Undergrounding

Chester County, PA National Undergrounding

Clark County, NV National Undergrounding

Cobb County, GA National Undergrounding

Collin County, TX National Undergrounding

Contra Costa County, CA National Undergrounding

Cook County, IL National Undergrounding

Cuyahoga County, OH National Undergrounding

Dallas County, TX National Undergrounding

Dane County, WI National Undergrounding

Davidson County, TN National Undergrounding

DeKalb County, GA National Undergrounding

Delaware County, PA National Undergrounding

Denton County, TX National Undergrounding

Denver County, CO National Undergrounding

District of Columbia, DC National Undergrounding

Douglas County, NE National Undergrounding

DuPage County, IL National Undergrounding

Duval County, FL National Undergrounding

El Paso County, CO National Undergrounding

El Paso County, TX National Undergrounding

Erie County, NY National Undergrounding

Essex County, MA National Undergrounding

Essex County, NJ National Undergrounding

Fairfax County, VA National Undergrounding

Fairfield County, CT National Undergrounding

Fort Bend County, TX National Undergrounding

Franklin County, OH National Undergrounding

Fresno County, CA National Undergrounding

Fulton County, GA National Undergrounding

Greenville County, SC National Undergrounding

Guilford County, NC National Undergrounding

Gwinnett County, GA National Undergrounding

Hamilton County, OH National Undergrounding

Hampden County, MA National Undergrounding

Harris County, TX National Undergrounding

Hartford County, CT National Undergrounding

Hennepin County, MN National Undergrounding

Hidalgo County, TX National Undergrounding

Hillsborough County, FL National Undergrounding

Hudson County, NJ National Undergrounding

Jackson County, MO National Undergrounding

Jefferson County, AL National Undergrounding

Jefferson County, CO National Undergrounding

Jefferson County, KY National Undergrounding

Johnson County, KS National Undergrounding

Kane County, IL National Undergrounding

Kent County, MI National Undergrounding

Kern County, CA National Undergrounding

King County, WA National Undergrounding

Kings County, NY National Undergrounding

Lake County, IL National Undergrounding

Lake County, IN National Undergrounding

Lancaster County, PA National Undergrounding

Lee County, FL National Undergrounding

Los Angeles County, CA National Undergrounding

Macomb County, MI National Undergrounding

Maricopa County, AZ National Undergrounding

Marion County, IN National Undergrounding

Mecklenburg County, NC National Undergrounding

Miami Dade County, FL National Undergrounding

Middlesex County, MA National Undergrounding

Middlesex County, NJ National Undergrounding

Milwaukee County, WI National Undergrounding

Monmouth County, NJ National Undergrounding

Monroe County, NY National Undergrounding

Montgomery County, MD National Undergrounding

Montgomery County, OH National Undergrounding

Montgomery County, PA National Undergrounding

Montgomery County, TX National Undergrounding

Morris County, NJ National Undergrounding

Multnomah County, OR National Undergrounding

Nassau County, NY National Undergrounding

New Castle County, DE National Undergrounding

New Haven County, CT National Undergrounding

New York County, NY National Undergrounding

Norfolk County, MA National Undergrounding

Oakland County, MI National Undergrounding

Ocean County, NJ National Undergrounding

Oklahoma County, OK National Undergrounding

Onondaga County, NY National Undergrounding

Orange County, CA National Undergrounding

Orange County, FL National Undergrounding

Palm Beach County, FL National Undergrounding

Pasco County, FL National Undergrounding

Passaic County, NJ National Undergrounding

Philadelphia County, PA National Undergrounding

Pierce County, WA National Undergrounding

Pima County, AZ National Undergrounding

Pinellas County, FL National Undergrounding

Plymouth County, MA National Undergrounding

Polk County, FL National Undergrounding

Prince Georges County, MD National Undergrounding

Providence County, RI National Undergrounding

Queens County, NY National Undergrounding

Ramsey County, MN National Undergrounding

Richmond County, NY National Undergrounding

Riverside County, CA National Undergrounding

Sacramento County, CA National Undergrounding

Salt Lake County, UT National Undergrounding

San Bernardino County, CA National Undergrounding

San Diego County, CA National Undergrounding

San Francisco County, CA National Undergrounding

San Joaquin County, CA National Undergrounding

San Mateo County, CA National Undergrounding

Santa Clara County, CA National Undergrounding

Sedgwick County, KS National Undergrounding

Shelby County, TN National Undergrounding

Snohomish County, WA National Undergrounding

Sonoma County, CA National Undergrounding

Spokane County, WA National Undergrounding

St Louis County, MO National Undergrounding

Stanislaus County, CA National Undergrounding

Suffolk County, MA National Undergrounding

Suffolk County, NY National Undergrounding

Summit County, OH National Undergrounding

Tarrant County, TX National Undergrounding

Travis County, TX National Undergrounding

Tulsa County, OK National Undergrounding

Union County, NJ National Undergrounding

Utah County, UT National Undergrounding

Ventura County, CA National Undergrounding

Volusia County, FL National Undergrounding

Wake County, NC National Undergrounding

Washington County, OR National Undergrounding

Wayne County, MI National Undergrounding

Westchester County, NY National Undergrounding

Will County, IL National Undergrounding

Williamson County, TX National Undergrounding

Worcester County, MA National Undergrounding