slide1Orndorf & Associates, Inc. is a structural engineering and design firm located in suburban Philadelphia, Pennsylvania, with a branch office in Greenville, Delaware. We are an award-winning, client-oriented firm that combines the extensive in-depth experience of a larger engineering firm with the personalized service of a small firm.



Benefits of working with Orndorf & Associates, Inc.

  • Our principal has over 30 years of diverse structural engineering design experience.
  • We are registered in 26 states, plus the district of Columbia, and will travel to meet our client’s needs.
  • We have a wide-range of experience in designing all building types.
  • We have experience in steel, concrete, timber, masonry, as well as sheeting and shoring during construction and foundation under-pinnings.
  • We have experience with seismic-design for earthquake prone areas of the country.
  • We have experience with high-wind design, and with FEMA requirements for the design of shore properties built on pilings.
  • We have experience with solar panel installation, ICF/Lite Deck and SIPS.


  • Above all we are responsive to our clients needs and serve them in a professional manner.
  • Building strong relationships with our clients is an important aspect of our corporate culture as evidenced by a high percentage of repeat business.
  • On all projects we stress the importance of design excellence with an emphasis on detailed construction documentation. This results in a low percentage of change orders during construction.
  • We strive to exceed technical, financial and scheduling goals on all project deliverables.
  • Each project is completed in a timely manner, within its written scope of services and within its budget.
  • We attribute our success to the company’s policy of assigning a new project to a dedicated project manager who typically is involved from schematics to construction “punch-list”, under the guidance and leadership of our principal.
  • Each project is under the direction of our principal who is responsible for final approvals. The project manager and the principal are available to resolve any issues if they arise.