Who We Are

excavator french bulldog
USMC Veteran Owned Construction COmpany SDVOBE
  • SCM/BMP Maintenance & Inspection Certification #5873(BAE)

  • Streambank Repair Cert #0293(BAE)

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construction site john deere excavator holly springs
SCM BMP Pond construction certification

Seth Huntsinger, a Raleigh native,  is the owner of Centerline Grading LLC and lives in Zebulon with his wife Jada and their dog Waylon.

Seth holds many certifications from NC State through the local NCLTAP system for local municipalities and contractors including OSHA Certified, Competent Trench Person Certified, Work Zone Supervisor Certified, Pavement Preservation Certified, Soil Fundamentals Certified, New Silica Standards Certified, Stream Bank Repair Certified, and SCM/BMP maintenance and inspection certified.

Centerline Grading LLC is a Veteran-Owned Business as Seth served in the United States Marine Corps, as a Infantryman in 2nd Battalion, 9th Marines and 2nd Battalion 6th Marines at Camp LeJeune, NC, and completed two deployments. The same principles learned while serving are still carried in mind today.

After the Marines, Seth worked his way from the shovel hand to supervisor in both private and public sectors. It was there that Centerline Grading LLC began to be imagined for new construction grading, new drainage install as well as existing drainage and grading repairs in the Triangle Area and beyond.

Now with 10 plus years of experience in the construction industry, you can trust that Centerline Grading LLC will get your project completed from start to finish with quality communication/ job updates, professionalism, integrity, honesty, and quality. We firmly believe that with each project we aren’t just satisfying a customer, we are building partnerships from the ground up. One of our goals when a project is done is that we haven’t just completed a quality project, but that we’ve created a happy and repeat customer.


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Our Story

Our journey has been anything but ordinary. Through every step, we've focused on staying true to our values and making space for thoughtful, lasting work.