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About Us Overview

Company Overview

O'Donnell Griffin is a leading provider of electrical and communications engineering solutions.

Whether it is a new greenfield project, an upgrade to an existing site, or the ongoing service and maintenance of critical assets, O'Donnell Griffin has the capability to provide a complete electrical and communications engineering solution.

We have the capacity to integrate specialist skills in mechanical, civil, and other engineering disciplines to offer our customers turnkey design, construct and maintenance packages.

The cross utilisation of resources throughout Australia and New Zealand, strengthens our delivery capability to rail, mining, telecommunications, infrastructure, power, property, health and agribusiness markets.

Since 1906, O'Donnell Griffin has played an integral role in the development of Australasian infrastructure for Government and private industry. With 25 branches and over 1500 skilled employees throughout Australasia, O'Donnell Griffin has the resources to deliver your mission critical projects.


Key areas of expertise include:

  • Railway signalling, overhead catenary systems, and Automatic Train Protection (ATP)
  • HV & LV switchgear, cabling, and power generation systems
  • Substation design and construction
  • Structured communications cable systems
  • Process control and instrumentation systems
  • Transmission tower and line design up to 500kV
  • Fire detection and suppression solutions.

An experienced team of engineers, project managers, technicians, commercial administrators and planners support the successful implementation of projects and maintenance contracts.

Technical resources include licensed and skilled

 Extensive resource base of licensed and skilled technicians including:

  • Electrical engineers
  • PLC licensed technicians
  • Licensed electricians
  • Diesel generator technicians
  • Rail signalling technicians and engineers
  • HV operators and testers
  • Radio and industrial electronics technicians
  • Special class electricians
  • Instrumentation technicians
  • Certified jointers and technicians
  • ACMA registered technicians.

Our People

We work closely with our customers to anticipate project demands, ensuring we have the right resources at the right time. We partner with technology providers to train and develop employees and recruit pro-actively locally and overseas to ensure the right mix of skills are always available.

Highly skilled specialist teams are directly employed, ensuring that we lock-in project knowledge for the benefit of our customers. As a result, O'Donnell Griffin attracts and retains the best: engineers, electricians, technicians, project managers, and planners along with the brightest and most ambitious graduates and apprentices.

O'Donnell Griffin manages one of the best engineering apprentice programmes in the region, employing over 100 specialist apprentices across Australasia, and ensures its employees are motivated and challenged by encouraging professional development through our Performance Development Program.