Structural Engineering

Mainstay designs structural systems that give form to each owner’s or architect’s vision. From feasibility studies to full service analysis and design of new buildings, and from condition assessment to the rehabilitation of existing buildings, we offer the services and experience you need to successfully meet your objectives.


Civil Engineering

Mainstay supports clients with innovative and cost-effective land development solutions.  As an integral component of the design team, Mainstay develops conceptual site plans and establishes a well-defined road-map to lead the project team through complex regulatory processes. 


Fall Protection
From initial fall hazard surveys and site assessments, to the design and installation of final abatement, partnering with Mainstay will provide exceptional value and take the guesswork out of fall protection.  


ICC Certified Special Inspections

Mainstay’s International Code Council (ICC) certified special inspectors provide owners, architects and developers the peace of mind that your plans are being followed and your project is built to the correct specifications. Mainstay provides special inspection and testing services across several critical aspects of the construction process.


Piping, Stacks, and Storage Tanks

  • Pipe Stress Analysis
  • Support Selections
  • Industrial Ductwork
  • Stack Design & Analysis
  • Storage Tank Design & Analysis
  • Equipment Seismic & Wind Certification


LEED - U.S. Green Building Council

Mainstay’s certified personnel provide U.S. Green Building Council LEED experience to designers, builders, operators and owners who want to build green and maximize both economic and environmental performance. Mainstay addresses LEED performance standards across several aspects of the design process.







Services