Association of Professional Landscape Designers (APLD)
The Association of Professional Landscape Designers is an international organization founded in 1989. Our mission is to advance the profession of landscape design and to promote the recognition of landscape designers as qualified and dedicated professionals.
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International Playground Equipment Manufacturers Association (IPEMA)
IPEMA, the International Playground Equipment Manufacturers Association provides 3rd party Product Certification services for U.S. and Canadian public play equipment and public play surfacing materials in the U.S.
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Perlite Institute
The Perlite Institute Inc. is an international trade association which establishes product standards and specifications, and which encourages the development of new product uses through research.
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Association of Outdoor Lighting Professionals (AOLP)
The mission of the Association of Outdoor Lighting Professionals is to establish standards, educate industry professionals and increase awareness of the outdoor lighting industry.
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National Greenhouse Manufacturers Association (NGMA)
The National Greenhouse Manufacturers Association (NGMA) is a professional trade organization for the manufacturers and suppliers of greenhouses and greenhouse components.
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Center for Guardianship Certification (CGC)
The mission of the Center for Guardianship Certification is to enhance the quality of guardianship services by providing examination and certification of guardians and fiduciaries.
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PA Christmas Tree Growers Association (PCTGA)
The PA Christmas Tree Growers Association represents over 250 growers of Pennsylvania Christmas trees and works to promote and develop a community of interest among growers of Christmas trees in Pennsylvania and adjoining states, as well as to raise public awareness about Christmas trees.
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PA Septage Management Association (PSMA)
PSMA's mission is to protect PA's citizens and our industry through sound management, proper maintenance, and environmentally conscious disposal of wastewater.
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