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Companies

ALG has a diverse portfolio of companies that provides wide ranging products and services, including industrial design, manufacturing and maintenance as well as cutting-edge research, testing capabilities and after sales service. With head offices based in Sydney, Australia, Auckland, New Zealand and Kuala Lumpur, Malaysia (trading as Doric Products Asia Pacific Sdn. Bhd.), ALG services the global hardware industry.
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Doric


Doric began in Sydney, Australia in 1972, as a hardware manufacturer supplying innovative door and window hardware for residential, commercial and architectural applications. Today, Doric has a global footprint which includes a network of branches located in Australian capital cities and regional locations as well as throughout Asia-Pacific (Doric Products Asia Pacific Sdn. Bhd., Kuala Lumpur, Malaysia) and Auckland, New Zealand.

With a strong focus on R&D and a global reach, Doric is able to provide the highest level of design, testing, service and delivery standards our clients demand. Doric has been awarded multiple AWA (Australian Window Association) Design Awards to date, including ‘Most Innovative Component’ in 2007 and 2009.

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Cowdroy


Cowdroy is an Australian manufacturer of door track systems and accessories, with operations beginning in 1890. For the past century Cowdroy has maintained extremely high standards in the design and manufacturing of its products, which is still evident in each product today, from door seals to door tracks and weather seals. Cowdroy products are available from leading hardware and home improvement stores across Australia, with Cowdroy continually researching, designing and developing new and exciting products with Australian market demands in mind.
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Azuma


Azuma Design is one of Australia’s largest privately-owned compliance testing and engineering companies. The company offers a wide range of industrial design, engineering and testing services throughout the Asia-Pacific region, including load testing, cycle testing, impact testing, accelerated corrosion testing and wind and water penetration testing. With both NATA and IQNet accreditation, Azuma is capable of testing to Australian and international standards.
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Colonial Castings


Colonial Castings is now the largest manufacturer of permanent mould cast aluminium outdoor and patio furniture, outdoor aluminium lights, aluminium load bearing columns and associated outdoor products in the world today. The extensive outdoor range covers the romantic designs of yesteryear to the contemporary designs required in many modern homes and buildings.
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Lock & Roll


As the service and maintenance division of the Alchin Long Group, Lock & Roll is a Sydney-based home repairs company which specialises in repair and replacements for windows and doors. Lock & Roll has established trade related best practices to ensure reliable repair of most window and door problems. Customers of Lock & Roll can be assured of consistent applications of work to all window and door repair as well as security problems. Franchise owners arrive on site with fully equipped vans so that they can get on with the job as soon as they arrive.

About us

Established in 1974, the Alchin Long Group is the parent company of leading global hardware brands Doric, Cowdroy, Colonial Castings, Azuma and Australian-based Lock & Roll.