NZMMMA Membership

New Zealand Master Monumental Masons Association Members are recognised
within the industry as suitably qualified and experienced monumental masons.
Members are required to adhere to best practice guidelines,
including compliance with the current NZ:4242 industry standards.
To maintain consistent quality, members participate in a quality assurance
programme that includes periodic reviews by the Association’s Membership Assessor.
Joining the Association signifies a commitment to uphold the highest industry standards.
The Association guarantees installation workmanship to the  current NZ:4242 Standard.

See their official website:
NZMMMA