Steve Lemke P.E., PLS

Steven K. Lemke, P.E., PLS, Principal

Steve is a registered professional engineer and land surveyor with over 30 years of experience in the civil engineering, land surveying, oil and gas, and environmental fields. Steve is experienced in a wide variety of projects and markets - from municipal to commercial, and industrial to residential developments, as well as energy and utilities.

  • Professional Engineer Oklahoma 17531
  • Professional Land Surveyor Oklahoma1349
  • Professional Land Surveyor Kansas 1153

Select Projects

  • White Cliffs Crude Oil Pipeline through Colorado, Kansas & Oklahoma
  • Military Installations, Various Civil and Environmental Projects - Altus AFB, Fort Sill, Vance AFB, Tinker AFB, Sheppard AFB, McAlester Munitions Plant
  • Waste Water & Water Treatment Plant Design Surveys - Norman, Lawton, Edmond, Stillwater, Moore, Chandler, Oklahoma City
  • Survey Control Networks - Oklahoma State University, City of Norman
  • On-call Surveying Services - Oklahoma Department of Transportation, University of Oklahoma, City of Norman, Department of Central Services


Kelly Henderson, PLS, CFedS

Kelly Henderson, PLS
Principal and Executive Director

Kelly has over 24 years experience in the industry. His technical expertise and extensive experience has been applied to a broad range of projects: engineering design, architectural, boundary, highway design, control networks, subdivisions, and construction staking.

  • Professional Land Surveyor Oklahoma 1395
  • Land Surveyor Kansas 1231

Select Projects

  • Project 180 Downtown Streetscape, Oklahoma City, OK
  • University of Oklahoma Design Surveys - Housing, Facilities, Recreation, Transportation
  • Oklahoma Department of Transportation - On-call Surveying Services, On-demand GPS Bridge Location, Right-of-Way and Utilities Service Provider: Mapping
  • City of Norman Sanitary Sewer Maintenance Plans - 2004 to 20013


Gary Smith

Gary Smith
Director of Geographic Information Systems

Gary has 24 years of systems design and integration experience with an emphasis in Environmental, Civil, and Surveying disciplines. Gary has had management and design responsibilities for municipal, commercial, industrial, and residential projects. Project experience activities include GIS project development, database design, website development, reduction/processing of survey data, and custom application design.  

Software Experience

  • AutoCAD Civil 3D and LDD
  • ArcGIS Server 10.1 / ArcSDE 10.1
  • ESRI ArcGIS / ArcInfo
  • Flex Application Development
  • Microstation
  • SQL Server, Access, ODBC
  • Visual Basic
  • Web Development
Tim Young, CFM

Tim Young, CFM,
Technologies & Production Manager

Tim possesses over 18 years of practical field and computer surveying services as well as project management. As the Survey Production Manager, Tim is responsible for managing and coordinating crews, equipment, and CADD technicians for all company projects. He is well versed in different types of surveys, including topographic, boundary, bathymetric, quality control, and utility surveys in addition to construction staking, and mapping. Tim obtained Floodplain Manager Certification in 2010. The CFM has the credentials to create and administer floodplain management programs through National Flood Insurance Program (NFIP) for communities, individuals and property owners that are affected by floodplain issues.  

  • Certified Floodplain Manager
  • OSHA 40 hours HAZWOPER