About Us

Company & History

Lear Siegler Australasia Pty Ltd is an Australian owned company which specialises in the engineering design, integration, supply, maintenance and operation of environmental monitoring equipment and systems.

The company was established in 1975 as a division of Lear Siegler Inc. (LSI) in Santa Monica, California USA, to introduce to a range of equipment manufactured by LSI for analysis of stack gas and ambient air to Australia. The equipment was intended to be used for control of combustion efficiency, for measurement and control of emission of pollutants and also for measurement of pollution in ambient air.

In February 1982 LSA became a privately owned Australian company and in the years since has remained at the forefront of the industry and continues to introduce leading edge technology to the local market by sourcing specialist equipment from the world’s best manufacturers.

Relevant Experience

With over 45 years of experience, we have contributed to an extensive base of projects and gained valuable experience in key industries including construction, mining, power generation, petrochemical, paper, timber, sugar, base metals, refineries, food, plastics, brewing, research and environmental protection.

Lear Siegler has worked closely with both supplier partners and industry leading clients to develop fully integrated turnkey solutions in Air Quality, Stack emissions, Mercury monitoring and Oil in Water monitoring. Our equipment and integrated system solutions can be found in Australia and New Zealand’s largest companies as well as numerous Environmental Agencies, EPAs, Regional Councils.

Quality Products & Service Excellence

Lear Siegler Australasia prides itself in partnering with distinguished, industry leading suppliers, some of which include: Thermo Fisher Scientific, Environics, Envitech and Nippon Instruments. Lear Siegler’s cohort of suppliers often produce the internationally preferred equipment in their market.   

Through years of collaboration, Lear Siegler has developed strong, tested relationships with suppliers allowing our engineers to receive prompt support and frequently visit factories of our overseas suppliers for product training. Our service engineers enjoy a reputation in this industry that is second to none with various levels of experience in service and commissioning of system solutions.

Some of our brands

Thermo Fisher Scientific Australia
Nippon Instruments Australia
Inov8 Instruments Australia
Environics Australia