Building the Foundation
for Your Innovation

At Mainstay Engineering, we are the bedrock of tech innovation.

Nationally recognized as a leader in civil and structural engineering services, we build the foundation that empowers high-tech and mission critical companies to soar. With our unwavering commitment to precision, quality and excellence, our long-term strategic partnerships with life sciences, semi-conductor, battery, data center and clean energy clients, we provide the essential support and expertise that ensures the best solution for your project.

Trust Mainstay to be your cornerstone.