A physics-based group providing manufacture and support in the fields of solar simulation, high-vacuum thermal cycling chambers and associated equipment to the space industry.

Specialists in electric fence systems and solar powered automatic gate technology.

Design and installation of sustainable building systems, including installation of green energy systems, living roofs and walls, solar geothermal HVAC, and strawbale homes. Baltimore, Maryland, USA.

Source for solar power systems, composting toilets, mud bricks, and water-driven pumps.

Renewable energy manufacturer and distributor of human, solar, wind and microhydro systems.