Those Members designated as "Full Member" are GRC manufacturing Members who are annual assessed by an independent certifying body appointed by the International GRCA and accepted into the GRCA as a "Full Member".
GRCA Full Member status is not a guarantee of quality, and specifiers and users of GRC / GFRC from any GRCA Members must satisfy themselves that the GRC manufacturing Member or Full Member has sufficient resources in plant, equipment and labour to consistently design and manufacture high quality GRC in accordance with the requirements of the GRCA Specification, Methods of Testing and Practical Design Guide.