An Alaska based surveying company specializing in tides and water level measurement, vertical datums and geodetic networks Photo taken by Erik Oppengard during an NWLON Annual Maintenance trip to Adak, AK VDatum Temporary Tide Station 9454153 - Gravina River, Alaska Stormy Days - Frederick Sound, AK Icebergs - Tracy Arm, AK Midnight Sun over Goodnews Bay, AK

An Alaska based surveying company specializing in tides and water level measurement, vertical datums and geodetic networks Photo taken by Erik Oppengard during an NWLON Annual Maintenance trip to Adak, AK VDatum Temporary Tide Station 9454153 - Gravina River, Alaska Stormy Days - Frederick Sound, AK Icebergs - Tracy Arm, AK Midnight Sun over Goodnews Bay, AK

Founded in 2003, JOA is an Alaska-based surveying company and 100% small business specializing in tides and water level measurement, vertical datums, and geodetic networks.

Our Mission

Our mission is to apply and continually improve geospatial measurement and analysis so people can make informed decisions about long-term coastal challenges.

Our Vision

Resilient coasts for future generations.

Our Core Commitments

Safety

We work safely and maintain an atmosphere of continuous improvement. Our approach includes site-specific risk assessments and proactive preparations to mitigate potential hazards.

Ownership

We take responsibility for outcomes, not just tasks. We care about our work beyond delivery; we follow it through to understand its use, and take pride in how it supports real-world decisions.

Communication

We build trusting relationships through honest, respectful, and constructive communication. Our team openly shares its expertise and insight to build up others and achieve desired outcomes.

Innovation

We integrate emerging technologies into everything we do. Our team takes great pride in mastering the techniques of our trade and developing new capabilities.

Community

We embrace the communities in which we work. Our field crews build lasting interpersonal connections, maximize local sourcing, and create employment and training opportunities.