RCR Tomlinson-Opus JV proposes underground rail systems delivery for Auckland CRL October 12, 2018 | Asia Pacific News The Systems Integration, Testing and Commissioning Alliance (SITC), a joint venture (JV) of Australia-based RCR Tomlinson Limited and New Zealand-based Opus International Consultants Limited, has ente... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password