Building Our Community Through Lifelong Service
Construction Services Group
Service for a lifetime
Founded in 2005 by Ron McCollum, Construction Services Group, Inc. is a General Contractor, licensed in the Southeast and is fully insured and bonded.

CSG is Building the Southeast
Construction Services Group, Inc. is an unlimited BD5 licensed general contracting firm that is a CVE certified Service-Disabled Veteran Owned Small Business. Additionally, CSG is a certified Construction Manager at Risk. CSG has the skills, experience, resources, and knowledge required to succeed across all industries.

Our Services
Headquartered in Charleston, SC, CSG provides services to clients across various industries in both government and private sectors throughout the Southeast.
- Healthcare
- Design Build
- Concrete
- Trucking
- Industrial
- Institutional
- Retail
- Pre-Engineered Metal Buildings
Our Recent Projects
Since 2005, CSG has successfully completed well over 553 projects in the private, commercial, and government sectors throughout the Southeast Region of the US.
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Take a quick look at some of our projects and find out more about us and what we do. Blue map icons have links to full project details.
From hospitals and clinics to research centers and other medical office buildings, CSG delivers turnkey solutions that support the critical work of our clients creating environments that promote healing, wellness, and innovation.
From site selection to final construction, CSG provides exceptional service and results that meet the most demanding industrial standards.
CSG’s civil division delivers foundations, slabs, cast-in-place walls, and tilt-up capabilities to achieve any owner’s vision.
With our fleet of dump trucks, CSG offers reliable and efficient trucking services to meet the hauling needs of our clients.
With a focus on safety, functionality, and sustainability, our experienced team delivers customized solutions that support the vision of our clients.
From boutique shops to large-scale commercial centers, CSG delivers customized solutions that meet the unique needs of each client, ensuring a seamless and successful project from start to finish.
With a focus on durability, flexibility, and energy efficiency, our expert team ensures that every project is delivered on time and within budget, providing exceptional value and long-term performance for our clients.
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Taking care of our own
At CSG, we take great pride in our diverse team, with over 40% of our personnel being United States Military Veterans. Our dedication to hiring and retaining veterans has been recognized with the HIRE Vets Gold Medallion in 2021 and the HIRE Vets Platinum Medallion in 2022. The values, ethics, dedication, and commitment ingrained in veterans while serving our country shine through in everything they do, resulting in unparalleled quality and customer service for our clients.
Join the CSG Team!
CSG includes project managers, administrative staff, estimators, superintendents, safety personnel, and quality control experts, carpenters, laborers, drivers, and finishers. This diverse team works seamlessly to plan, coordinate, build, and execute each project from conception to completion.