A 4TH generation family company
Since 1924
Our United family of companies has grown into one of the Southeast’s leading firms in the infrastructure industry.
Our founding philosophy is built upon exceptional client service and our approach to this belief is unified throughout our organization. We have evolved into a company that is comprised of many components, each capable of independent performance but proven much more valuable as a single source to which a variety of clients can turn for proven results. In turn, we have achieved a definite advantage that will provide more opportunities to grow and prosper as a company.
SC 9 over Catawba River. The First Bridge Story
UNITED INFRASTRUCTURE GROUP
our purpose
Foster growth and diversity in resources and disciplines by developing and motivating exceptional leaders in a Christian environment to achieve excellence by every standard of measure.
OUR LEGACY
For Over 100 Years
UIG’s leadership in the transportation arena, technical experience, construction abilities, financial strength, commitment to safety, innovative approaches, and unyielding dedication to quality, has been perfected over 100 years. UIG has become a leader in many diversified markets such as engineering, construction, design-build, public partnerships, communications, environment, facilities, federal government, safety, infrastructure, transportation, and real estate.
Recent Awards
2021 DBIA National Merit Award
US15 over Indian Fields Swamp Bridge
2021 PDCA Project of the Year Award
US21 over Harbor River
2021 CAGC Construction Excellence Award
2021 CAGC Pinnacle Award
I-77 over Catawba River
2022 DBIA National Merit Award
US21 over Harbor River
2022 CAGC Pinnacle Award
BMW-LCX Power Feed Project & Expansion
2023 GHCA-GDOT Contractor of the Year Award
US21 over Altamaha River
The United Infrastructure Group
Leadership Team
James Triplett
Chief Executive Officer
John P. Boyle
President
Christopher Sisk
Chief Financial Officer
Michael Grey
Chief Business Officer
Anthony Geach
Chief Operations Officer
FROM OUR BLOG
News & Articles
Jeff Hanson: 15 Years with UIG
This year marks a monumental milestone for Jeff Hanson—his 15th anniversary with United Infrastructure Group (UIG). From starting as an affiliate safety services company to
CAGC Hall of Fame Awards
The 2024 Carolinas AGC HALL OF FAME LEGACY inductees are Fredrick Amzi Triplett and his two eldest sons Fred Triplett and Tom Triplett: F.A. Triplett,
BridgeWay Station Pedestrian Bridge CAGC Pinnacle Award
The Design Build (DB) team of United Infrastructure Group (UIG), Johnston Design Group (JDG) and Infrastructure Consulting & Engineering (ICE) worked together for Hughes Development
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