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National Lightning Safety Institute (NLSI) (Popularity:  )
http://www.lightningsafety.com/
National Lightning Safety Institute performs Consulting, Education, and Research relating to lightning hazard mitigation. Lightning exhibits random and unpredictable behavior. By adopting a proactive defense, safety levels can be improved and harmful ...
Category:
Science - Earth Sciences - Meteorology - Weather Phenomena
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National Ocean Service (Popularity: )
http://www.nos.noaa.gov/
Information on environmental monitoring, coastal monitoring and assessment, water quality, biodiversity, aeronautical chargting and cartography, nautical charting and cartography, national marine sanctuaries (United States).
Category:
Science - Earth Sciences - Oceanography - Data Centers
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The National Rivers Website (Popularity: )
http://www.nationalrivers.org/
The National Rivers Website provides information on canoeing, kayaking, fly-fishing, rafting, river conservation, river access, and river navigability law.
Category:
Science - Environment - Water Resources - Rivers and Streams
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National Ocean Service (Popularity: )
http://www.nos.noaa.gov
Information on environmental monitoring, coastal monitoring and assessment, water quality, biodiversity, aeronautical chargting and cartography, nautical charting and cartography, national marine sanctuaries.
Category:
Science - Environment - Water Resources - Oceans
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National Environmental Respiratory Center - NERC (Popularity: )
http://www.nercenter.org/
A U.S. national research center supported by the EPA, NERC facilitates research to improve the scientific basis for understanding and managing the health risks related to air quality.
Category:
Science - Environment - Environmental Health - Organizations
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Related:
National Railroad Contractors
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Shenandoah National Park Association (Popularity: )
http://www.snpbooks.org
SNPA is a non-profit partner with Shenandoah National Park providing informational and educational items to park visitors. Maps, hiking guides, nature guides, cultural and other information helps plan visits or to better enjoy the Park.
Category:
Science - Environment - Education - Organizations
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The National Audubon Society (Popularity: )
http://www.audubon.org/
The mission of the National Audubon Society is to conserve and restore natural ecosystems, focusing on birds and other wildlife for the benefit of humanity and the earth's biological diversity.
Category:
Science - Environment - Biodiversity - Conservation
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National Association of Certified Home Inspectors (NACHI) (Popularity: )
http://www.nachi.org/
A national association of professional home inspectors.
Category:
Business - Real Estate - Inspection - Associations
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National Association of Home Inspectors, Inc. (NAHI) (Popularity: )
http://www.nahi.org/
Nonprofit association promotes and develops the home inspection industry. Features member locator, chapter information, national conference, membership benefits.
Category:
Business - Real Estate - Inspection - Associations
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Mason Contractors Association of America (MCAA) (Popularity: )
http://www.masoncontractors.org/
Featuring masonry headlines, career training, codes and standards, designing with masonry, and legislative topics.
Category:
Business - Construction and Maintenance - Materials and Supplies - Associations
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National Association of Home Builders (Popularity: )
http://www.nahbrc.org
Current valuable information on new water heating and other technologies in housing.
Category:
Business - Construction and Maintenance - Materials and Supplies - Mechanical
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National Liner (Popularity: )
http://www.nationalliner.com/
A team of regional contractors with their own cured-in-place pipe rehabilitation products.
Category:
Business - Construction and Maintenance - Trenchless Technology - Materials and Supplies
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Star Electrical Training (Popularity: )
http://starelectricaltraining.com/
Training offered to industry and electrical contractors. Subjects include the National Electrical Code, industrial controls (PLCs), and three-phase power applications.
Category:
Business - Construction and Maintenance - Education and Training
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Foam Roofing Contractors (Popularity: )
http://www.foamroofing.com/
Offering information about sprayed polyurethane foam roofs, and installation services. Based in Riverview, Florida.
Category:
Business - Construction and Maintenance - Commercial Contractors - Exterior
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NRCA, The National Roofing Contractors Association (Popularity: )
http://www.nrca.net
An association of roofing, roof deck, and waterproofing contractors; industry-related associate members; and international members worldwide.
Category:
Business - Construction and Maintenance - Commercial Contractors - Exterior
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National Joint Apprenticeship and Training Committee (Popularity: )
http://www.njatc.org/
The NJATC was created in 1941 as a joint program between the National Electrical Contractors Association and the International Brotherhood of Electrical Workers. Local programs affiliated with the NJATC have trained over 300,000 apprentices to journeyman ...
Category:
Business - Construction and Maintenance - Commercial Contractors - Electrical
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National Conductor Constructors (Popularity: )
http://www.nationalconductor.com
General electrical contractors providing turnkey solutions for all aspects of substation construction including turbine ISO-Phase and switchyards.
Category:
Business - Electronics and Electrical - Substation and Transmission - Engineering
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National Magnetics (Popularity: )
http://www.magneticsgroup.com
National Magnetics makes ferrites, magnets, and dielectric in a wide variety of custom shapes and sizes for many different industries.
Category:
Business - Electronics and Electrical - Transformers and Inductors - Ferrites and Magnets
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National Sign Corporation (Popularity: )
http://www.nationalsign.net/
A full service sign supplier, which provides design, manufacturing, installation and maintenance of sign programs for local, regional and national clients.
Category:
Business - Business Services - Signage
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National Security Inspectorate (NSI) (Popularity: )
http://www.nsi.org.uk
The national body inspecting firms providing security systems across the UK. It brings together two well established organisations, National Approval Council for Security Systems (NACOSS), and the Inspectorate of the Security Industry (ISI) covering electronic ...
Category:
Business - Business Services - Security - Associations
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