Mainstay Engineering Group

Nationally recognized as a leader in civil and structural engineering solutions for over 20 years, Mainstay Engineering builds the foundation that empowers high-tech and mission-critical companies to soar. With an unwavering commitment to precision, quality and excellence, and our long-term strategic partnerships with pharmaceutical, life sciences, semi-conductor, battery, data center, manufacturing, industrial, and clean energy clients, we provide the essential support and expertise that ensures the best solution for your project. Mainstay began with a focus on servicing Life Sciences, and with the acquisition of Professional Engineering Associates (PEA) of South Carolina in January 2025, has grown to a team of 80 experienced professionals and Subject Matter Experts (SMEs) located across Pennsylvania, North Carolina, South Carolina, Georgia and Texas. Today, 85% of our portfolio is comprised of Mission Critical projects, a testament to the trust our clients place in us for their most important projects. Our design professionals are licensed to perform engineering services in 49 states in the U.S., but our reach extends beyond borders, having performed consulting services internationally. Check out some of our project work at MainstayEngineering.com. For a listing of career opportunities, visit: https://www.megr.com/careers Trust Mainstay to be your cornerstone.