National Chimney Sweep Guild - Promotes professionalism in the chimney service industry in USA. Providing information and continuing education opportunities to keep members up-to-date on changing technology. Chimney Sweeps International - An organization designed to educate chimney sweeps and link home owners to local chimney professionals. US locations only. Safeside Chimney - Residential and commercial chimney and duct cleaning and maintenance in Connecticut and Rhode Island, United States. Hadek Protective Systems - Supplier of acid resistant internal lining systems for power plant chimneys and flue gas ducts. Details on product line, worldwide projects, technical support and supervised installation services. International Chimney Corporation - Provide services in all areas of industrial, commercial, and institutional chimney construction and maintenance. Building relocation and restoration. Serving the US and overseas. Industrial Chimney Maintenance Inc - Inspects, maintains, repairs and dismantles concrete, brick, steel industrial chimneys, and flare stacks throughout the world. ChimneyLab Europe - Accredited by DANAK under accreditation no. 501 for testing chimneys, roomsealed flues/ terminals, liners and connecting fluepipes. Testing centers in Northern Europe.