what we do

about us

Wendler Engineering Services, Inc. is a consulting engineering firm providing a diverse range of civil engineering, structural engineering, land planning, land surveying and construction staking services.  Founded in 1968, our company began in Dixon, Illinois in order to serve the civil engineering and land surveying needs of local developers and surrounding municipalities.

For over 40 years, the Wendler name has been synonymous with quality, integrity and professionalism.  Dedicated to progress, customer satisfaction and to our industry, our experienced design professionals and support staff work hard to provide you with the best practices available through emerging technologies and sustainable innovative solutions.

civil engineering

Whether it is the development of a large industrial site, roadway improvement, storm water structure, or residential subdivision design, Wendler has the know-how to complete your project with confidence. Our civil engineers provide design, construction and maintenance solutions for private and public clients.

Civil Engineering Services:

  • Municipal Streets and Rural Roadway Design
  • Storm Sewer, Water-main and Sanitary Sewer Main Design
  • Drainage & Flood Impact Studies
  • Traffic & Intersection Design Studies
  • Parking Lot Design
  • Water Resource Design
  • Construction Plan Development
  • Erosion Control Storm-water Management Plans
  • Site Plan Design
  • Commercial, Residential and Industrial Subdivision Design
  • Construction Loan Payout Inspections
  • Athletic Field and Recreational Path Design
  • Streetscape Design
  • Riverfront Plaza Design

structural engineering

Structural engineering plays an integral part in the design and maintenance of our nations infrastructure. This science is what makes our buildings withstand the forces of nature, bridges support our transit loads, and foundations stand strong over the years. From foundation design to structural analyses, Wendler has the ability to service your most complex structural needs. Our clientele includes state and county governments, municipalities, developers, and industrial facilities. These clients continue to retain Wendler due to the professionalism and competence that is exhibited during their projects. With Wendler’s knowledge and experience, your next project can be engineered with confidence, from the ground up.

Structural Engineering Services:

  • Bridge Design
  • Spillway Design
  • Foundation Design
  • Condition Assessments
  • Forensic Investigations
  • Capacity Rating Analysis
  • Plan Review
  • Structural Investigations
  • Schematic Design

land surveying

Wendler has 35 years of surveying experience and is equipped with state-of-the- art surveying & GPS equipment, ensuring the highest standards of efficiency and accuracy on every project. Every successful project begins with an in-depth understanding of existing site conditions. Our multidisciplinary approach allows us to provide our clients with a unique understanding of site constraints and conditions that may have an impact on the feasibility, design, or layout of a site.

Land Surveying Services:

  • GPS Control Surveys / GIS Utility Surveys
  • ALTA/Boundary Surveys
  • Topographic Surveys
  • Easement & Right of Way Surveys
  • Construction Staking
  • Hydraulic Surveys
  • Elevation Certificates
  • Letter of Map Amendment Applications (LOMA’s)

land planning

Our professionals work closely with you from the conceptual project design stage through project completion. With over thirty years of planning experience in residential, commercial, municipal and industrial planning, we bring a wealth of knowledge to navigate the challenges of even the most difficult projects.

Land Planning Services:

  • Master Planning
  • Site Feasibility Studies
  • Schematic Design
  • Layout Plans
  • Grading Plans
  • Stormwater Management/Erosion Control
  • Construction Oversight and Consultation
  • 2D & 3D Graphic Presentations
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