This chapter presents case studies of two companies, one based in South Wales, UK, and the other in New South Wales, Australia. Both companies have successfully carried out incremental changes that have integrated economic aims with environmental improvements and local social sensitivity. We argue that the competitiveness of these companies is facilitated by their proactive and co-operative environmental management philosophy. A key capability underpinning the environmental success of both organisations is networking with regulators and with local community. Another is the systematic approach to human resource functions. The chapter thus raises suggestions concerning the integration of the human and ecological sustainability of corporations.