Integral Engineering and Electrical Pty Ltd is a boutique electrical engineering, installation and maintenance company, focused on providing superior electrical experience to commercial and industrial businesses. From the initial design phase through to the ongoing maintenance we aim to be an integral part of the successful operation of your business.
Concepts of customer first and continuous improvement are cornerstones of our approach to business. We therefore endeavour to always listen and keep open communication channels with our clients and to further our skill set to ensure we deliver the best and most innovative services we can.
David O’Sullivan
Managing Director
With over 20 years’ electrical experience, Managing Director, David O’Sullivan holds electrical licences both internationally and here in Australia. During David’s career he has worked on sites such as the WorldCom Building in Paris, Limerick Regional Hospital and Dublin Airport in Ireland and INCO Precious Metal Refinery in London. Within Australia David has worked on all Queensland Boral Quarry sites, a number of Regional Queensland Hospitals, numerous Northern Rivers Quarries and a Regional Airport to name a few. Sites such as these have given David quality experience within the industrial and commercial electrical fields and have allowed him to be heavily involved in key projects from initial consultation through to installation and preventative maintenance.
David brings a wealth of experience to Integral Engineering & Electrical. Coupled with his strong work ethic and relationship management skills David aims to provide his clients with an intimate business working relationship that will deliver results.
Sample of Key Projects David has worked on:
- Project managed the installation of a new 110kw cone crusher, triple deck screen, new switch room and MCC’s.
- Conducted arc flash analysis and audits across various Queensland quarries.
- Installation of 4,000amp induction furnace
- Project managed and installed a 200kw cone crusher and the design, build and installation of a MCC.
- Project managed and installed a sand plant with a 1000kva transformer and incorporated the design of a secondary crushing plant.
- Upgrade of a 11000kva transformer within a Government building
- Electrical installation and certification of a 50 apartment city centre residential block

