170 years of engineering expertise... Halliday Engineering is an Australian owned and operated general and marine engineering business, centrally located and nearby to Sydney’s ports. We pride ourselves on genuinely understanding our clients’ needs, being able to solve their problems, and responding promptly and professionally at all times. Founded in 1852 and drawing upon 6 generations of industry know-how and extensive local knowledge – our resources, skill-sets and capabilities are well known across the country. We design, procure, fabricate and repair plant and marine assets for the defence, shipping, mining and power generation sectors locally, interstate and overseas.