Business Details
25 Years
experience
Expert Underground Utility & Directional Boring Services in Charleston, SC
Pinnacle Construction & Directional Boring has been a trusted name in underground utility construction since 2001, with a focused commitment to heavy utility projects since 2004. Founded by Erik Carlson, a U.S. Navy veteran and licensed South Carolina General Contractor, we specialize in horizontal directional drilling (HDD) for electric, gas, water, sewer, and fiber optic infrastructure. Our team combines decades of field experience with state-of-the-art equipment to deliver precision-driven solutions for residential, commercial, and industrial clients.Safety remains our top priority, guiding every project from planning to execution. We pride ourselves on employing local talent and maintaining competitive, transparent pricing while serving the Low Country and surrounding regions. Our partnerships with Dominion Energy and Berkeley Electric Cooperative underscore our reputation as a preferred contractor. With over 10,000 completed projects and 5.5 million feet of installed utility lines, we remain dedicated to advancing industry standards through innovation and meticulous attention to detail.
Services
Electric Utility Lines
Gas Distribution
Water & Sewer Systems
Fiber Optic Installation
Directional Boring
Details
- Year established: 2001
Highlights and features
- We offer 20+ years of specialized HDD experience since 2004
- Our safety protocols exceed industry standards for utility operations
- Certified HDD operators and equipment ensure precision installations
- Preferred contractor for Dominion Energy and Berkeley Electric Cooperative
- Local workforce delivers regional expertise at competitive rates
Services
Electric Utility Lines
We construct electric distribution systems including primary/secondary lines, street lighting, and solar connections. Our SC-licensed team installs transformers, switch gears, and meter bases using directional drilling techniques. Serving utility providers and contractors across residential and industrial sectors.
Gas Distribution
Specializing in HDD for natural gas pipelines from 1.25" to 12" diameter. We handle MDPE, HDPE, and steel lines with capabilities for wetland crossings exceeding 1,400 feet and interstate installations at 25-foot depths.
Water & Sewer Systems
Installing water mains up to 24" diameter using HDPE, FPVC, and ductile iron materials. Our services include gravity sewer lines, forced main systems, and irrigation infrastructure for residential and commercial developments.
Fiber Optic Installation
Constructing fiber optic networks for FTTH, backbone loops, and military-grade communications. We handle duct bank installations at critical locations including Charleston International Airport and Joint Base Charleston.
Directional Boring
Providing horizontal directional drilling (HDD) solutions for underground utilities with minimal surface disruption. Our equipment includes electronic locators, vacuum units, and mini-excavators for precision installations across challenging terrain.
People
Erik Carlson
President
U.S. Navy veteran and licensed SC General Contractor with Public Electric Utility and Boring & Tunneling specialties. Founded Pinnacle in 2001, focusing on HDD solutions while maintaining strict safety standards.
Mike Harrawood
General Manager
20+ years in underground utility construction with HDD operator certification and HDPE fusion expertise. Oversees daily operations and crew management for complex infrastructure projects.
Scott Lyman
Senior Project Manager
15+ years in utilities and general contracting with environmental safety expertise. Licensed SC Residential Builder managing project coordination and regulatory compliance for large-scale installations.
Joey Spears
Project Manager
Coordinates project timelines and resource allocation for directional drilling operations. Ensures adherence to safety protocols and client specifications across multiple utility sectors.
Timothy Wachter
Shop Supervisor
Manages equipment maintenance and inventory for Pinnacle's fleet of HDD rigs, hydraulic trailers, and excavation tools. Ensures optimal performance of machinery used in utility installations.
Questions
What utility services do you specialize in?
We specialize in electric, gas, water, sewer, and fiber optic utility installations using horizontal directional drilling techniques across South Carolina.
Are you licensed for public utility work?
Yes, we're a licensed South Carolina General Contractor with Public Utility Electric and Boring & Tunneling specialties.
What safety measures do you implement?
Our safety protocols include electronic utility locating, crew training, and equipment checks to prevent damage and ensure workplace safety.
Which areas do you service?
We serve Charleston, Berkeley, Dorchester, and surrounding counties including Calhoun, Orangeburg, and Beaufort.
What equipment do you use?
Our crews utilize HDD rigs, electronic locators, hydraulic reel trailers, and vacuum units for efficient utility installations.
How can I request a quote?
Submit our online form or contact us directly at (843)873-1012 to discuss your project requirements and receive a customized quote.
