Mainstay Engineering Group
Justin Meillier, PE, CDT, currently serves as the Structural Engineering Director at Mainstay Engineering Group since May 2022. Previously, Justin was employed at Keast & Hood Co. from August 2012 to April 2022, holding positions as Project Manager and Structural Engineer III. Prior experience includes a tenure at O'Donnell & Naccarato from August 2000 to August 2012, where Justin worked as a Senior Project Designer and Project Coordinator. Justin Meillier completed a degree at Drexel University between 1998 and 2003.
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Mainstay Engineering Group
At Mainstay Engineering, we are the bedrock of tech innovation. Nationally recognized as a leader in civil and structural engineering services for over 20 years, we build the foundation that empowers high-tech and mission critical companies to soar. With over 4,000+ successful projects completed, and our unwavering commitment to precision, quality and excellence, and 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. Our design professionals are licensed to perform engineering services in the U.S., but our reach extends beyond borders, having performed consulting services internationally. Mainstay began with a focus on servicing Life Sciences, and has grown to a team of 55 experienced professionals and Subject Matter Experts (SMEs), servicing our partners and clients. 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. Trust Mainstay to be your cornerstone.