Business Details
21 Years
experience
Your Trusted General Contractor in Charleston, SC
Founded in 2005 by President Ron McCollum, CSG Charleston (CSG) is a family-owned and operated general contracting firm licensed in South Carolina and North Carolina. As a CVE-certified Service-Disabled Veteran-Owned Small Business and certified Construction Manager at Risk, we combine military precision with industry expertise to deliver high-quality projects across healthcare, industrial, retail, and institutional sectors. Our team of over 40 employees, including 40% U.S. Military Veterans, prioritizes safety, innovation, and client satisfaction while maintaining full insurance and bonding.With 553+ completed projects since inception, we specialize in new construction, renovations, and design-build solutions tailored to clients' budgets and schedules. Our commitment to excellence has earned recognition through HIRE Vets Medallions in 2021 and 2022, reflecting our dedication to veteran employment and community impact. We serve government and private-sector clients throughout the Southeast United States, ensuring every project meets rigorous standards for durability, functionality, and client-specific needs.
Services
Healthcare Construction
Industrial Projects
Concrete Services
Trucking
Pre-Engineered Metal Buildings
Retail Construction
Institutional Projects
Details
- Year established: 2005
Highlights and features
- We have completed over 553 projects across the Southeast since 2005
- Our team consists of certified experts with extensive construction experience
- We are a Service-Disabled Veteran-Owned Small Business with veteran hiring recognition
- We offer specialized design-build and renovation solutions for diverse industries
- We maintain an impeccable safety record and client satisfaction focus
Associations and certifications
- CVE - Service-Disabled Veteran-Owned Small Business Certification
- Construction Manager at Risk Certification
What people say
Treated like family
Best decision for me
Good times in office and field
Supportive at all times
Feels like home
Services
Healthcare Construction
We deliver turnkey healthcare construction solutions for hospitals, clinics, and research centers. Our team creates healing environments that meet strict medical standards while accommodating occupied or new facilities. With Southeast regional expertise, we ensure compliance with safety regulations and functional requirements for critical healthcare infrastructure.
Pre-Engineered Metal Buildings
Our metal building erection services provide durable, cost-effective solutions for industrial, commercial, and agricultural needs. We specialize in rapid installation while maintaining structural integrity and energy efficiency. Clients benefit from customizable designs that balance speed of construction with long-term performance requirements.
Concrete Services
From foundations to finished surfaces, we offer comprehensive concrete solutions including slabs, walls, and tilt-up construction. Our expertise ensures structural integrity and longevity for commercial and industrial applications. We combine technical precision with material knowledge to meet project-specific load-bearing and aesthetic requirements.
Industrial Projects
We provide full-cycle industrial construction services tailored to manufacturing, logistics, and production facilities. Our capabilities include site selection through final construction, meeting demanding operational standards. Clients receive innovative solutions that optimize functionality while maintaining budget and schedule constraints.
Design-Build Solutions
Our design-build approach combines planning, design, and construction under one contract. This streamlined process reduces project timelines while maintaining quality control. We coordinate all phases from concept to completion, ensuring alignment with client vision and budgetary parameters.
People
Ron McCollum
President
Founder and President of CSG since 2005, Ron leads with military discipline and construction expertise. A service-disabled veteran, he built the company into a regional leader while maintaining family values and veteran hiring commitments.
Andy Moody
Vice President
As Vice President, Andy oversees daily operations and project execution. With extensive industry experience, he ensures technical excellence and client satisfaction across all CSG projects while maintaining the company's veteran-focused culture.
Denny Doggett
Estimator/Project Manager
Denny joined CSG in 2022, bringing expertise in project estimation and management. He highlights the company's family atmosphere and client-focused approach as key factors in his professional satisfaction and success.
Kevan Gregg
Project Manager
With years of experience at CSG, Kevan emphasizes the company's supportive environment and commitment to employee well-being. He values the collaborative culture that extends beyond work hours to create genuine workplace relationships.
Brian Laemers
Controller
Brian appreciates CSG's ethical decision-making and employee-centric values. He notes the company's consistent choice to do what's right over what's easy, creating a trustworthy environment for both employees and clients.
Questions
What construction services do you specialize in?
We specialize in healthcare, industrial, retail, institutional, and pre-engineered metal building construction, along with concrete work and trucking services across the Southeast United States.
Are you a veteran-owned business?
Yes, we're a CVE-certified Service-Disabled Veteran-Owned Small Business with over 40% of our team being U.S. Military Veterans, recognized with HIRE Vets Medallions.
What areas do you serve?
We operate throughout the Southeast United States, with headquarters in Charleston, SC, serving both government and private-sector clients regionally.
How do you handle project timelines?
We prioritize schedule adherence through experienced project management, ensuring timely completion while maintaining quality standards and budget requirements for every client.
What makes you different from other contractors?
Our military-veteran leadership, ethical approach, and family-oriented culture combine with technical expertise to deliver exceptional service and long-term value for clients.
