Annis, O'Sullivan, Vollebekk Ltd., Surveyors, founded in 1964, is a professional land surveying firm offering clients a full range of services in cadastral, geodetic, engineering, construction, photogrammetric surveys and Geographic Information Systems (GIS).
Products and Services
Pre-design Engineering Surveys,
Monitoring Structures And Features,
Grade Certification,
Topographic Mapping,
Horizontal & Vertical Control Surveys (GPS And Conventional),