Knowledge Grounded in Experience

Alison W. Hanson, LS - President

Ms. Hanson's experience and growth as a Survey Manager and Team Leader in previous positions allowed her to maintain a direct relationship with internal and external clients, as well as county and state review agencies on projects located from Southwest Virginia to the Tidewater area. She oversaw the research, acquisition and recordation of on-site and off-site easements for private and public use. Her experience and education in boundary law, allowed her to be involved with parcel locations, creations, leases and divisions. A familiarity with area zoning and ordinance regulations serves as an asset to her clients and their specific project needs and success. Ms. Hanson's survey and GPS experience in projects included the following: Proposals, Project Planning, Contract Writing, Project Budgets, Deed Research, Boundary and Topographic Surveys, Construction Staking, GPS Control, GPS Planning, GPS Evaluation and Processing, Easement and Parcel Maps, Easement Acquisitions, Legal Maps and Descriptions, Subdivisions and ALTA/ACSM Land Title Surveys.

She is a registered surveyor in Virginia and holds a Bachelor of Science degree in Civil Engineering Technology from Old Dominion University in Hampton, Virginia.


Leslie R. “Les” Byrnside, L.S. - Vice President

Mr. Byrnside is a Licensed Surveyor in the Commonwealth of Virginia and has been performing surveying services across Virginia for over 20 years. He has managed and performed field and office operations necessary to provide surveying services for your next surveying project. He is a seasoned project manager and has performed projects ranging from location surveys and bridge situation surveys on highway projects for the Virginia Department of Transportation and the Federal Highway Administration, to large boundary surveys and ALTA / ACSM surveys for the Virginia Department of Game and Inland Fisheries, the Virginia Department of Forestry as well as for private and municipal clients across the Commonwealth of Virginia. He has been providing field surveying, survey computations (conventional and GPS) and complete management support for projects conducted for private, government, and industrial clients. His primary responsibilities have included project management and supervision of field and office data compilation, computation and plan checking and review.

He is a 1985 graduate of West Virginia Institute of Technology where he earned a Bachelor of Science degree in Civil - Surveying Engineering Technology.


  • Horizontal and Vertical Control Networks
  • Boundary and Land Title (ALTA/ACSM) Surveys
  • Right-of-Way Mapping/Route
  • Surveys Bridge Situations (Highway and Railroad)
  • Environmental Surveys
  • 3D Laser Scanning Surveys
  • Land Development Surveys, Subdivision & Easement Platting
  • Photogrammetric Ground Control & Mapping
  • Static and RTK GPS for Surveying Utilizing Fixed Wing/Low-Level LiDAR
  • Route Location Surveys
  • Traffic Calming Intersection Surveys
  • Bike and Pedestrian Trail Study Surveys
  • Signalization Improvement Surveys
  • Intersection Safety Improvement Surveys
  • Large Storm and Sanitary Sewer Surveys
  • Utility Location Surveys
  • Drainage and Utility Improvement Surveys
  • Topographic & Planimetric Surveys
  • Ground Control for Aerial Mapping
  • Corridor and Alignment Surveys
  • Construction Staking Services
  • Preliminary, Subdivision & Easement Plats
  • Bathymetric / Hydrographic Surveys
  • Utility / Infrastructure As-built Surveys

Contact Information

Alison Hanson, LS
Phone: 804.330.3781
Direct: 804.330.3782

Leslie R. "Les" Byrnside, LS
Vice President
Phone: 804.330.3781
Direct: 804.330.3783