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Our Mission
Lennon, Smith, Souleret Engineering, Inc. (LSSE) is dedicated to delivering exceptional civil engineering and surveying services. We strive to maintain the highest quality standards, ensuring objectivity and positive results for every client. Our success hinges on a foundation of client satisfaction, fostering career growth for our employees, and adhering to core principles that guide our every endeavor.
We believe in continuous growth and diversification without compromising the essential quality of service that has always been the hallmark of our firm. Through the implementation of rigorous technical and administrative protocols, along with comprehensive client performance reviews, we ensure consistent delivery of outstanding service.
We establish and measure performance and accountability criteria for both individuals and project teams, recognizing that our greatest asset is our talented and dedicated staff.
Our Market Reach & Expertise
Serving a diverse clientele throughout Pennsylvania and the surrounding Tri-State region, LSSE operates from our main headquarters in Coraopolis, Allegheny County, and four strategic branch offices strategically located in Greensburg (Westmoreland County), Albion (Erie County), Dublin (Franklin County, Ohio), and Aliquippa (Beaver County).
Our core services encompass a wide spectrum of civil engineering and surveying disciplines, tailored to meet the specific needs of various market segments:
- Municipal: We provide comprehensive engineering solutions for municipalities, ranging from water and wastewater infrastructure to parks and recreation facilities.
- Commercial: Our expertise extends to commercial development projects, including shopping centers, office complexes, and mixed-use developments. We ensure that projects meet stringent building codes and environmental regulations.
- Institutional: We specialize in supporting the needs of educational institutions, healthcare facilities, and government agencies. Our services encompass campus planning, seismic upgrades, and energy efficiency improvements.
- Industrial: We understand the unique demands of industrial facilities and provide engineering solutions for manufacturing plants, processing plants, and distribution centers.
- Residential: We contribute to the creation of thriving residential communities through our expertise in land development, stormwater management, and site design.
- Utilities & Energy: We play a vital role in the energy sector by providing engineering services for transmission lines, substations, pipelines, and renewable energy projects.
Our Commitment to Client Satisfaction
Client satisfaction is paramount to our core values at LSSE. We believe in building long-lasting relationships with our clients founded on trust, transparency, and exceptional service. To ensure we consistently meet these standards, we routinely seek feedback from our clients upon project completion. We carefully evaluate their assessments of our communication, technical expertise, cost management, and overall project delivery.
Through our rigorous Quality Management Program, LSSE has consistently received "Excellent" and "Outstanding" ratings from our valued clients. These testimonials serve as a testament to our unwavering commitment to exceeding expectations and delivering projects that meet the highest industry standards.
Our Team
LSSE is led by a team of experienced and dedicated professionals, each a leader in their respective fields.
Our Managing Principals, Kevin A. Brett, P.E., Ned Mitrovich, P.E., and Jason E. Stanton, P.E., bring decades of combined experience to the firm. Their strategic vision and commitment to client success have been instrumental in driving our growth and establishing our reputation as a trusted engineering partner.
Complementing their expertise are our esteemed Principals / Shareholders, whose technical proficiency and dedication further contribute to the success of LSSE:
- John R. Heyl, P.E., CPESC
- Lawrence J. Lennon, P.E.
- Shawn R. Wingrove, P.E.
Together, this team of highly qualified individuals ensures that LSSE remains at the forefront of the civil engineering and surveying industry.

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