
The Best Work
Gets Buried.
Water mains. Sewer taps. Storm drainage. Tier 2 septic. Nobody sees it when it's done — but every building on the site stands on it. Run out of our Easley shop, licensed in South Carolina, North Carolina, and Georgia, and photographed before backfill.
Water · Sewer · Storm · Septic

Water Main Taps & Hot Taps
Live-main connections without shutting the system down. Tapping sleeves, valves, and pressure connections done under license.
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Ductile Iron & C900 Water Lines
Black bolted ductile iron and big-bore C900 PVC — domestic service and fire lines, bedded, restrained, and pressure-tested to spec.
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Sanitary Sewer Installation
Gravity sewer mains, laterals, and manholes — laser-graded fall, tied into municipal systems clean the first time.
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Storm Drainage Systems
PVC and black corrugated HDPE storm runs, catch basins, and drainage structures — the package that gets your site through inspection.
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Tier 2 Septic Systems
Engineered and conventional septic under a South Carolina Tier 2 license — commercial-scale systems, pump tanks, and drain fields.
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Commercial Grease Traps
Interceptors and grease traps for restaurants and QSR builds — sized, set, plumbed, and inspection-ready.
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Can't Legally Touch This
Tapping a live water main. Boring under a road that can't be cut. Running ductile iron beneath a parking lot. This work takes state license classifications most general contractors don't hold — so it gets subbed out, and schedules slip.
We hold seven of them, in all three states we work — South Carolina, North Carolina, and Georgia — and we run our own crews and equipment out of Easley. When RO Unlimited does your sitework, the underground package stays in-house — one contractor controlling the critical path from first cut to final tap.

License documentation available on request for prequalification and lender packages. Download our capability statement (PDF).
Trench To Backfill
Locate & Design
Utility locates, soil review, and a run plan that matches the civil drawings — before a bucket touches dirt.
Cut & Install
Open the trench, bed the pipe, set the structures. Our crews, our iron — no waiting on a sub.
Test & Inspect
Pressure tests, mandrel and vacuum tests, municipal inspections — documented and passed before anything closes.
Backfill & Document
Every run photographed before backfill. You get proof of what’s under your site — forever.
Shot Before Backfill
Underground work only gets seen once. We photograph every run, tap, and tank before it's covered — proof of what's under your site.






Developer FAQ
Yes — that’s exactly what our water & sewer license covers. We perform hot taps on live mains with tapping sleeves and valves, so the surrounding system stays in service while your property gets connected.
No. Underground utilities are self-performed — our crews, our equipment, our licenses. That’s the point: when the same contractor controls the sitework and the underground package, the critical path doesn’t slip waiting on someone else’s schedule.
South Carolina is specific about this. A Tier 1 installer may install gravity-fed residential systems only, and is not authorized to conduct repairs on existing systems at all. Tier 2 adds pumps, grease traps, curtain drains, elevated and mounded systems, and every commercial, large, and community onsite wastewater system — plus repairs. That is the South Carolina license line commercial work sits on, and most residential installers don’t hold it. Tier 1, 2, and 3 are a South Carolina classification, so on a job across the line we work under that state’s onsite program instead — we hold licensing in all three.
We run out of Easley, so the Greenville area is home ground and most weeks our iron never leaves it. Past that we work the whole tri-state — upstate South Carolina, western North Carolina, and northeast Georgia — and we are licensed in all three, which matters because the permitting path changes the moment you cross a line. For a job worth mobilizing for, distance is a scheduling conversation, not a no.
That’s our model. We clear it, grade it, pipe it, and build on it — site development, underground utilities, and vertical construction under one contract with one accountable contractor.
Put Your Utilities
In Licensed Hands
Send the civil drawings, or just tell us what the site needs. We'll scope the underground package — and the dirt work around it — with one number and one accountable contractor.

