Surveying & Mapping

  • Boundary Surveys
  • Plats & Descriptions
  • Annexation & Dedication Plats
  • Topographic Surveys & Mapping
  • Mortgage Surveys
  • Construction Layout Staking
  • ALTA Surveys

Site Development

  • Industrial Parks
  • Commercial Sites
  • Shopping Centers & Malls
  • Residential Subdivisions
  • Memorial Parks & Cemeteries
  • Mobile Home Parks

Environmental Engineering

  • Water Supply & Distribution
  • Storm/Sanitary Sewer Systems
  • Storm Water Management
  • Storm Water Pollution Prevention Plans & Inspections
  • Commercial & Residential Waste Water Systems

Transportation Engineering

  • City Streets
  • County, Township & State Roadways
  • Maintenance of Traffic
  • Intersections
  • Traffic Control
  • Bicycle/ Multi-Use Trails

Structural Engineering

  • Bridge Design & Inspection
  • Bridge & Culvert Load Ratings
  • Misc. Structures & Foundations
  • Retaining Walls
  • Culvert Headwalls
  • Bridge & Culvert Hydraulic Analysis & Design


Consulting Engineers & Surveyors – Since August 1952, SHAFFER, JOHNSTON, LICHTENWALTER & ASSOCIATES, INC. in Mansfield and Wooster has been providing high quality engineering design and surveying services for Cities, Counties, business and individuals in Ohio.

SJL was one of the first five firms in Ohio selected in the early fifties to furnish design services to the State of Ohio when they initiated their policy of contracting with Consultants.

One of the first projects undertaken upon formation of our firm in 1952 (then known as Shaffer, Parrett & Associates) was the planning and construction of the Ohio Turnpike, in the Wauseon area. This was a joint venture known as General Industries, Inc.

Today SJL continues to provide quality engineering services for numerous Counties and Cities in the State of Ohio.

Consulting Engineers & Surveyors – Since 1952

SHAFFER, JOHNSTON, LICHTENWALTER & ASSOCIATES, INC. provides clients with quality engineering and surveying solutions for individuals, expanding Counties, Cities and businesses in Ohio. For growing and changing communities, SJL offers a wide range of Civil Engineering services including:

  • Structural Engineering
  • Transportation Engineering
  • Environmental Engineering
  • Site Development
  • Surveying & Mapping

With locations in Mansfield and Wooster Ohio, SJL offers a team of professionals to accommodate a wide range of clients in Ohio.

SJL – Main Office

SJL – Branch Office

Contact Us

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We’re Hiring!

Bridge Design Engineer

Civil Engineer

Currently seeking multiple full-time positions in our Mansfield, Ohio office.

Find out more on our Careers Page!