Energy Structures,Inc. - 893 Wilson Ave., St. Paul, Minnesota 55106. (800) 334-8144, (651) 772-3559, Fax: (651)772-1207. Designs,manufactures and markets Geodesic Dome kits for geodesic dome homes, garages,cabins churches and commercial structures. Energy Structures,Inc. was the first dome company to design and manufacture the double-wall strut, known as the Energy-Strut ® for super-insulated dome housing. Energy Structures,Inc. has been a leader in the low-cost energy efficient housing market since 1980.

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