For over 40 years, Arctic Foundations Inc. (AFI) has led the way in passive ground freezing technology. Best known for their two-phase thermosyphons, AFI designs and manufactures systems that stabilize permafrost, protect infrastructure, and solve complex geotechnical challenges in cold regions around the world.

Headquartered in Anchorage, AFI handles everything in-house—from design and fabrication to installation and ongoing innovation. Their systems are used to support buildings, pipelines, tanks, towers, and more in areas where thawing ground could otherwise cause major damage.

Specialties include:
– Thermosyphon manufacturing and installation
– Permafrost stabilization for arctic and sub-arctic regions
– Passive ground freezing and controlled thawing systems
– In-house ASME code-compliant fabrication