News SEMMA backs GSEM report 28/09/2025 FacebookTwitterEmail Greater Dandenong mayor Jim Memeti, Federal Industry Minister Tim Ayres, SEMMA chief executive Honi Walker and GSEM chair Simon McKeon. (Stewart Chambers: 505445) Purchase this photo from Pic Store: 505445 South East Melbourne Manufacturers Alliance (SEMMA) says it can attest that the region is Australia’s largest manufacturing workforce by size, […] Subscribe or Login to see the rest of the content. Username Password * Remember Me Forgot Password