• Centre for Energy and Environmental Markets
  
  
• U.S. Environmental Protection Agency
  
  
• National Energy Technology Laboratory
  
  
• Clean Water Action Council
  
  
• Basin Electric Power Cooperative
  
  
• Solar Water Heater
  Apricus Solar Water Heater Manufacturer of solar water heater, solar hot water, solar hot water heater, solar heating, solar collector, also evacuated tube, heat pipes."
  
  
• Institute for Energy and Environmental Research
  
  
• Energy Quest Room
  
  
• Petroleum News
  
  
• DesignFirms
  
  
• Electrocoat Association
  
  
• Fabricators and Manufacturers Association
  
  
• HGC Engineering
  
  
• ACC Environmental Surveying Consultants California
  ACC is a leading name in Environmental Consulting & energy optimization, led by a group of professionally certified Environmental Consultants & Surveying Consultants in California.
  
  
• IDS-Environment
  
  
• Bradley Environmental
  are a leading independent professional firm of environmental consultants offering services related to asbestos management, noise monitoring and contaminated land.
  
  
• Britain's largest coal mining company
  
  
• World Coal Institute
  
  
• Renewable Energy Specialists