HMA Valveco is part of the HMA Group of Companies and specialises in the manufacture, importation and distribution of a vast range of valves and controls. We have been supplying valves and control solutions to all industries in Australia for over 30 years.Formed in 1966, Halley & Mellowes represents an impressive list of internationally respected companies and manufactures under licence to a number of these companies. We also manufacture a range of products and equipment developed and designed by our own engineers. In 1990 an employee owner group was formed and acquired 50% of the company from co-founder Mike Mellowes. These shareholders span a diverse section of the company and underwrite the efficient function of the Halley & Mellowes Group.The Babcock and Wilcox Company, a leading international provider of energy products and services, own the remaining 50% of the Group and provide global associations which further enhance our business. The Halley & Mellowes Group of Companies (The HMA Group) manufactures, services and sells a wide range of capital plant equipment to a diverse range of industries. This includes the mining sector, processing, material handling, power generation and oil and gas refineries. To these sectors we provide services such as material handling, geotechnical instrumentation, boiler cleaning technology and engineering consultancy services, amongst others. These can be viewed on our SERVICES page.The group is comprised of 9 entities, Halley and Mellowes, Greenbank Terotech, Ceramatech, POGC, Diamond Power Australia, Valveco, Techniplan, Measurement Resources and Geotechnical Systems.