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Business Details
18 Years
experience
Expert Surveying & Mapping Services in Baltimore
Founded in 2008, GEOmatx specializes in geospatial data acquisition, modeling, analysis, and management. Our expertise spans land and hydrographic surveying, boundary determination, environmental mapping, and GIS field data collection. With over 35 years of combined experience, we deliver precise, reliable solutions tailored to client needs across Baltimore, Maryland, and the mid-Atlantic region. Our team works closely with federal agencies, state organizations, and private-sector clients, utilizing cutting-edge technology to address complex project challenges.

We prioritize client satisfaction, evidenced by our 90% repeat business rate, and maintain a reputation for excellence through innovative methodologies and adherence to technical standards. Our services support infrastructure development, environmental conservation, and resource management, ensuring projects meet budgetary and scheduling requirements while upholding industry-leading accuracy.
Services
Hydrographic Surveying Boundary Determination GIS Asset Mapping Topographic Mapping Environmental Resource Mapping Tower Site Surveys Sedimentation Analysis ALTA Surveys Expert Witness Testimony Field Data Collection
Details
  • Year established: 2008
Highlights and features
  • We offer 35+ years of experience in geospatial data solutions.
  • Our team works with federal agencies like the US Army Corps of Engineers.
  • We utilize cutting-edge measurement and mapping systems.
  • 90% of our work comes from repeat clients.
  • We tailor services to meet project-specific technical requirements.
What people say
Reputation of excellence Commitment to service Innovative solutions Precise deliverables Client-focused approach
Services
Hydrographic Surveying
We conduct single-beam, multi-beam, and side-scan sonar surveys for port conditions, dredging projects, and reservoir sedimentation analysis. Our methods ensure precise underwater topography mapping for navigation safety and environmental assessments. Clients rely on our data for regulatory compliance and infrastructure planning in marine environments.
Boundary Surveys
Our boundary determination services include ALTA surveys and plat creation to resolve property disputes and support real estate transactions. We combine historical records with modern GPS technology to establish legally defensible property lines. Clients benefit from our meticulous attention to legal and technical standards.
GIS Asset Mapping
We collect and analyze field data for GIS-compatible systems, supporting environmental management and infrastructure planning. Our team creates detailed digital maps of utilities, natural resources, and infrastructure assets. Clients use these datasets for asset maintenance and regulatory reporting.
Topographic Mapping
Our topographic surveys capture terrain features and elevation data for engineering and construction projects. We use advanced LiDAR and total station instruments to produce accurate site models. Clients utilize these maps for drainage planning, site development, and environmental impact assessments.
Tower Surveys
We perform FAA-certified tower site surveys and as-built documentation for telecommunications infrastructure. Our 3D modeling ensures compliance with aviation safety regulations. Clients depend on our precision for tower placement, maintenance, and FAA reporting requirements.
People
Thomas L. McElroy
Owner & Licensed Professional Surveyor
With 35+ years of experience, Thomas leads GEOmatx's technical operations. Licensed in Maryland, Virginia, and Kansas, he has managed projects for federal agencies including the US Coast Guard and EPA. His expertise spans hydrographic surveys, boundary disputes, and GIS integration.
Questions
What services does GEOmatx offer?
We provide hydrographic surveys, boundary determination, GIS mapping, topographic surveys, and expert witness testimony for public and private-sector clients.
How long has GEOmatx been in business?
Founded in 2008, our team brings over 35 years of combined experience in geospatial data solutions.
Which industries do you serve?
We work with federal agencies, state governments, and private-sector clients in energy, infrastructure, and environmental sectors.
What makes GEOmatx unique?
Our innovative use of technology, tailored project planning, and 90% client retention rate distinguish us in the surveying industry.