Services Provided:
- Municipal Services
- Water & Wastewater Engineering
- Subdivision & Land Development Planning
- Land Surveying
- Utility Design
- Civil Engineering
- Environmental Engineering
- Erosion & Sediment Pollution Control Planning/NPDES Permits
- Project Grants & Loan Procurement
- Roads & Bridges
- Parks & Recreation Planning
- Electrical Engineering
- Zoning / Building Code Permits
SESI Client Lists
- Arthur Funk and Sons, Inc.
- Berks Homes
- Blackford Development
- Brandt & Son Construction Co.
- Cocalico Builders
- E.G. Stoltzfus
- FHA Holding Company
- Full Circle Mountain, LLC
- H.R. Weaver Building Systems, Inc.
- Huntilar Corporation
- Isaac B. Martin
- JLB Construction Company
- Kreiser Construction
- Landis Construction
- Landmark Homes
- McNaughton Homes
- Penncrest Construction
- Ridge Builders
- School Lane Associates
- Springwood Development Partners, LP
- Stonerook and Company
- The Keith Corporation (TSC)
- Triple H Construction
- Tri-Valley Contractors, Inc.
- V.P. Investments
- Wickersham Construction
- Wilmer Weaver
- Woodland Contractors
- Church of the Good Shepherd UMC – North Cornwall Township
- Eastern PA Conference U.M. Church
- Gravel Hill United Methodist Church
- Jonestown Bible Church
- Lebanon Area Evangelical Free Church
- Miner's Village Mennonite Church
- Mt. Zion School of Ministry
- Palm United Lutheran Church – Palmyra, PA
- St. Lukes Lutheran Church – Heidelberg Township
- Trinity Evangelical Free Church – W. Lampeter Township
- Trinity United Church of Christ – Palmyra, PA
- Weaverland Mennonite Church – E. Cocalico Township
- Ace Aluminum, Inc.
- APR Supply Company, Inc.
- Cargill, Inc.
- Conewago Enterprises, Inc.
- Farmer’s Pride, Inc.
- Haines and Kibblehouse
- Lebanon Cardiology Associates
- Lebanon Valley Farmers Bank
- Marks Contracting, LTD
- Martin Excavating Contracting, Inc.
- Morrissey's Meats & Grocery
- Palmyra Bologna Company, Inc.
- Schott Pharmaceutical Packaging
- Sheridan Corp.
- Silverman Dental Associates, PC
- Valspar
- Weaber, Inc.
- White’s Harley Davidson
- Boy Scouts of America
- Cornwall Fire Company
- Cornwall Manor
- Falcon Foundation
- Friends of Camp Bashore
- Geisinger Medical Center
- Good Samaritan Hospital
- Goodwill Fire Company
- Jonestown Perseverance Fire Company
- Lake Strause, Inc.
- Lancaster General Hospital
- Lebanon County Historical Society
- Lebanon County Redevelopment Authority
- Lebanon Valley Economic Development Corp.
- Lebanon Valley Expo Corp.
- Philhaven Hospital
- City of Lebanon Authority
- City of Lebanon
- Cleona Borough Authority
- Cleona Borough
- Cornwall Borough Municipal Authority
- Cornwall Borough
- Fredericksburg Sewer & Water Authority
- Jackson Township
- Lebanon County Commissioners
- Lenhartsville Borough
- Manheim Borough
- Northern Lebanon County Authority
- North Lebanon Township Municipal Authority
- Richland Borough
- South Annville Township Authority
- South Lebanon Township
- Union Township
- West Cornwall Township Municipal Authority
- Annville/ Cleona School District
- Blue Mountain School District
- Cornwall-Lebanon School District
- Downingtown Area School District
- ELCO School District
- Lampeter-Strasburg School District
- Lancaster-Lebanon IU-13
- Lebanon School District
- North Schuylkill School District
- Penn Manor School District
- Solanco School District
- Susquehanna Township School District
- Comcast
- Pennsylvania American Water Company
- PPL Gas Utilities Corp.
- UGI
- United Water
- Verizon