TPI - (Turfgrass Producers International)
TPI is the only worldwide association committed to the advancement of the turfgrass sod industry. Through education of its members, product users and various green industry and government entities, TPI encourages the use of turfgrass sod worldwide.
NSGA - (Nursery Sod Growers Association of Ontario)
Formed in 1960, the NSGA is a non-profit organization dedicated to the betterment of the turfgrass sod industry. The main NSGA objectives are to develop and maintain high standards of turfgrass sod quality, to stimulate consumer knowledge of quality turfgrass sod, to work with allied professions to the benefit of consumer and trade alike, and to gather, analyse, and disseminate information to the public, governmental agencies, and other organizations.
Landscape Ontario (LOHTA)
Started in 1973, Landscape Ontario Horticultural Trades Association (LOHTA) represents more than 2,000 horticultural professionals, including landscape, maintenance, and snow management contractors, landscape designers, lawn care operators, garden centre owners, arborists, nursery growers, interior landscapers, and irrigation and landscape lighting contractors.
LANTA - (Landscape Alberta Nursery Trades Association)
LANTA is a voluntary trade association for Alberta businesses in the ornamental horticultural industry, including contractors (design, construction, and maintenance), arborists, lawn care providers, tree nurseries, garden centres, and sod producers.