- Business Groups
- STOBG
STO Building Group — construction services
Success with GISI
Partnership with GISI provided the strategic framework and capital resources to unite STO Building Group’s (STOBG) family of builders, amplifying their collective strength, and ultimately taking them from $3 billion in annual revenue to more than $15 billion today.
This partnership has preserved the distinct legacies and cultures of premier builders like Structure Tone, Layton Construction, and LF Driscoll, while integrating them into a global construction management powerhouse.
A story of exceptional success —building our business and world
Since partnering with GISI, STO Building Group has solidified its position as an industry leader, growing to more than 5,000 employees and achieving in excess of $15 billion in annual revenue.
Key milestones include ranking #3 by ENR in Construction Management-at-Risk Firms. This success is built on a shared vision to grow a diversified, low-risk, and resilient business that continues throughout market cycles.
The GISI partnership provides the stability and strategic backing for STOBG to focus on its core expertise, delivering excellence for clients in key markets like corporate interiors, healthcare, mission critical facilities, and life sciences while growing with its global clients that include nearly all of Fortune’s top 50 companies.
Learn more about our construction services at STOBuildingGroup.com
Together, building the extraordinary.
Signature projects —construction services
TSX Broadway Theatre & Hotel
80 MW Data Center
Children's Hospital of Philadelphia
Riot Games Offices
University of Florida Malachowsky Hall
Amazon BDL4 AR Sortable Facility
Collective excellence,
limitless potential.
Next, meet GISI’s newest business group, bringing valuable project management and engineering consulting capabilities to the future we’re shaping together.