Global Infrastructure Solutions

GISI is a family of companies serving the built and social environments. We believe an alignment of core values is key to merger success and focus on partners that help strengthen our collective mission. Founded to differentiate from other models, we preserve brand legacies, optimize synergies between our partner companies, embrace employee ownership, and invest together for the long-term. We serve our clients through three platforms; Construction Services, Engineering and Consulting Services, and Global Impact and Sustainability Services.