The National Organization of Exterior Finish System Inspectors (NEFSI)
Providing information, education, and certification of exterior finish systems, i.e., certified composite siding inspectors.
National Pavement Contractors Association
Provides a search for pre-qualified pavement related contractors, free on-line specifications, information, and help.
National Register of Professional Awning Cleaners
The National Register of Professional Awning Cleaners was created to make it easy to find an awning cleaning professional in your area.
National Spa & Pool Institute
Provides education, networking, recognition, membership advocacy and professional practices to promote innovative ideas toward the future direction and growth of the profession.
National Spa & Pool Institute (NSPI): Region I
Northeast Spa & Pool Association provides support and networking for trade professionals in Connecticut, New Jersey, Eastern New York, and Eastern Pennsylvania. An events calendar, news, resources and contacts are provided.
National Storm Shelter Association (NSSA)
Formed to ensure the highest quality of manufactured and constructed tornado and hurricane shelters.
National Terrazzo & Mosaic Association (NTMA)
Includes links to members and affiliated organizations. Publications that articulate standards for terrazzo floor and wall systems can be downloaded, and pictures of terrazzo work can be viewed.
National Wood Flooring Association
Nonprofit trade association represents manufacturers, distributors, retailers and installers of wood floors. Site describes benefits of wood floors and maintenance recommendations. Photo gallery and searchable database of members are provided.
New Horizons Foundation
A sheet metal industry initiative, in partnership with the Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) to encourage career participation, develop relationships with educational institutions, and improve public perception of the sheet metal worker.
Nexstar Network
Member-owned association that is an affiliation of independent electrical, heating, cooling and plumbing service contractors within Canada and the United States. Job seekers area, organizational background and services are featured. Formerly, Contractors 2000.
Northeastern Pennsylvania Contractors Association (NEPCA)
Promotes of the construction industry in Northeastern Pennsylvania. Newsletters, safety, training and education resources.
Northwest Indiana Business Roundtable (NWIBRT)
An independent non-profit council of local firms committed to the improvement of construction and maintenance projects in Northwest Indiana. Includes an events calendar, member benefits, goals, safety and business resources.
Professional Turf Maintenance
Golf Course Maintenance from course care to the administrative division, total golf course management.
San Antonio Association of Building Engineers (SAABE)
Members are building systems maintenance professionals and vendors who provide related products and services for commercial properties in the San Antonio, Texas metro area.
Tallahassee Builders Association (TBA)
Represents the building industry and related fields in Tallahassee-Leon County, Wakulla County, Gadsen County and Jefferson County, Florida. Events calendar, member directory, parade of homes, and contact details are showcased.
Thermal Insulation Manufacturers and Suppliers Associations
Conservation of energy to preserve environment through the reduction in co2 emissions.
Timber Frame Business Council
Customer-oriented building guide and gallery of timber frame homes are highlights of this Web site for timber frame, log home and post and beam builders, home designers, architects, tool suppliers and manufacturers of structural insulated panels (SIPs).
United States Contractors Association
Site describes national association that provides insurance products through independent agents, and other services, to its trade contractor membership.
World Plumbing Council
The mission of the World Plumbing Council is to unite the world plumbing industry to safeguard and protect the environment and the health of nations, for the benefit of all.
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