top of page


As a Southwestern Pennsylvania leader in developing and managing civil engineering design, McMillen Engineering, Inc. is committed to providing sound engineering solutions. Our team consists of several civil engineers who are registered in Pennsylvania, Ohio, Maryland and West Virginia.

We specialize in:

  • Storm Water Management


  • Water and Sewer Systems


  • Phase I Environmental Site Assessments


  • Environmental Engineering


  • Structural Engineering


Our work includes several types of civil engineering jobs – from unique hospitality projects to the congruent, yet fluctuating requirements and construction engineering of retail chain development, and varying stormwater management, sewer, and environmental needs of municipalities. 

When you work with McMillen Engineering, Inc., you can be sure that you’re getting reliable site development design, base mapping, erosion control designs, utility coordination, and landscape plans. Our civil engineers can visualize a site transformation from its natural shape into an appropriate landform shape, then create a design that meets the specific needs of our clients. We design water and sewer systems, stormwater facilities, and coordinate utilities to ensure the transformed sites function properly but are also cost effective and completed in a timely manner for our clients.


Our civil engineers also collaborate with our in-house land surveying team to efficiently complete all survey prerequisites for your project. From ALTA/NSPS land title surveys and as-builts to topographic, easement, and retracement surveys – our professional land surveyors accurately determine boundaries so that our engineers can keep your project moving forward.

Having our own Building Code Officer on-staff means that our team can work through the entire grant-seeking and permitting process for you as well.  

Email us at or give us a call at 724.439.8110 to discuss your civil engineering needs.

bottom of page