Global Infrastructure Solutions Inc. (GISI) Email Format

ConstructionCalifornia, United States51-200 Employees

Global Infrastructure Solutions Inc. (GISI) functions as an employee-owned group of companies that deliver integrated solutions across construction, infrastructure, earth and environment, and global development. The organization operates through two units: STO Building Group, a prominent private construction firm in North America, and GISI Consulting Group, a global provider of program and project management and engineering and consulting services. It maintains distinct brand cultures within a single corporate framework while pursuing collaborative, long-term value and lasting impact for clients and communities worldwide.

Based in Newport Beach, California, GISI maintains a global footprint across multiple regions. Its client base comprises organizations seeking coordinated construction management and engineering services to address complex built-environment challenges. In 2025, GISI announced the appointment of Scott Kolbrenner as President and Chief Strategy Officer, reflecting ongoing leadership evolution within the company.

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