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Aerial view of curved driveway entrance at Nemacolin leading from Route 40 to the Chateau Lafayette


The reconfiguration of the resort entrance at Nemacolin offers guests spectacular views of Southwestern Pennsylvania's scenic mountains and the majestic Chateau Lafayette upon arrival.   


McMillen Engineering, Inc. is a proud veteran-owned organization located in Uniontown, Pennsylvania, where we offer a broad array of civil engineering and land surveying services. We boast a versatile portfolio that includes various facets of civil engineering, land surveying, land development, traffic engineering, landscape architecture, and building projects. Our team of qualified professionals has the expertise to handle different kinds of projects, whether they are municipal, county, residential, or commercial in nature. Beyond these, we also offer comprehensive building code inspection services for both residential and commercial properties, ensuring that all construction complies with local and national standards. We also assist our clients in securing necessary funding for their projects through our grant writing services. Our team's commitment to excellence and keen attention to detail has made us a trusted partner in the industry.
Our comprehensive civil engineering services position us to assist you with building and infrastructure construction projects from inception through final completion, then provide ongoing maintenance for your project. As civil engineers, it is our duty to ensure the safe completion of every project, regardless of type – facilities, bridges, roads, water, or sewage.

Identifying boundaries is critical prior to beginning any new project. Our team of land surveyors perform various types of surveys to locate, measure, and map properties of land and accurately determine boundaries. In addition to land boundary surveys and topographic surveys, our surveyors are qualified to complete ALTA/NSPS Land Title Surveys and ALTA/NSPS As-Built Surveys.

Whether you’re a land or real estate developer, our proficiency in base mapping and preparing plans for land development, building permits, stormwater, and erosion control will prove to be resourceful to you. We’ve completed several land development projects for business park developers and individual retailers.

As municipal engineers for various townships and municipalities, we work to ensure the proper completion of several types of projects. Some notable improvement projects have included culvert replacements, streambank stabilizations, retaining wall designs, and structural inspections of bridges.

We are a Certified Third Party Agency with the Pennsylvania Department of Labor and Industry to provide Uniform Construction Code (UCC) services to local governments for the issuance of building permits, to review plans, and to complete required inspections for residential and commercial projects.

Our experience securing local, state, and federal grant monies means that we’re also equipped to assist with the grant seeking process for various types of projects.

Three engineering professionals standing at table while pointing to and discussing renderings


Our professional staff of civil engineers, land surveyors, technicians, building code inspectors, and support personnel have been serving the public and private sector since 1977.


We approach each job with accuracy and integrity. Our team members – many of whom have been with us long-term – are dedicated to the successful completion of each clients’ projects.

Aerial view of beautifully landscaped, red brick office building with curved sidewalk outlining front of parking lot

September 2017 marked FORTY YEARS of civil engineering and land surveying services by McMillen Engineering, Inc.

Many changes – in the world and within the company - have taken place since 1977, but our core values of ethics and professionalism have always remained constant. We continue to uphold these values in our work and through our relationships with clients and business associates.

Our professions are ever-evolving and require continuous improvement. Our team embraces change to prepare for the next forty years of serving our clients as a leading land surveying and civil engineering firm in Uniontown, PA.   

McMillen Engineering anniversary logo


“I have worked with McMillen Engineering, Inc. on several projects that they have completed for the Belle Vernon Area School District. On each of these projects I have been very satisfied with the engineering and construction management services provided. They have been vital to the success of all of our building projects by going the extra mile to explain and make suggestions for the betterment of the district. I highly recommend McMillen Engineering, Inc. to provide engineering and construction management services for your building projects.”

—  Jason Zadrozny, Belle Vernon Area School District

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