About US
ESI Tech Group provides end-to-end solutions to the oil & gas, mining, heavy industry, marine and utilities and infrastructure sectors throughout Australia, New Zealand, Asia Pacific and Africa regions.
OIL & GAS
ESI Tech Group partners with its oil and gas industry clients to deliver a Complete Engineered Solution – from investigation of the problem, concept development and design, through to procurement and project execution.
We work on refineries, mobile offshore drilling units, drill rigs and semi submersibles.
MINING & INDUSTRIAL
ESI Tech Group works with its mining clients to deliver diverse projects, including mining sites and light/heavy industrial operations.
HEAVY INDUSTRY
ESI Tech Group partners with its heavy industry clients to deliver work on manufacturing facilities, power, chemical and other industrial site projects.
MARINE
ESI Tech Group delivers a range of solutions to its marine industry clients, including works for offshore platforms.
UTILITIES & INFRASTRUCTURE
ESI Tech Group services the utilities and infrastructure sector on diverse construction projects, including utilities, transport, rail and port facilities, schools, hospitals, recreation centres, water treatment plants and renewable energy facilities.
WHY CHOOSE US?
ESI Tech Group’s longevity has allowed us to become technically dexterous and adaptable to meet diverse, complex project requirements, while working closely with our clients to achieve innovative, safe and economical solutions.
We measure our success by our clients’ success – not only in the services, products and technical support we provide, but throughout every aspect of the relationship.
We have vast hands-on experience in shutdowns, commissioning, decommissioning, and, ongoing maintenance and integrity in all stages of asset lifecycles.
We provide specialised, end-to-end project solutions, including engineering design and technical support, product sourcing and procurement, installation and repair, and personnel contracting and mobilisation services.
We can mobilise our technicians and materials experts to sites or remote locations around Australia and internationally.
GROWTH WITHOUT COMPROMISE
ESI Tech Group’s combined history with ESI Alphatec and ESI Tech Services spans more than 30 years, with ESI Alphatec commencing business in 1989 and ESI Tech Services established in 2011.
ESI Tech Group is large enough to resources large, complex projects and small enough to maintain a personalised service.
Our close partnerships with our customers affirm our commitment to consistently delivering quality services and solutions for them.
We invest in our people and technology to facilitate this – and ensure our offer is competitive.
We are available 24 hours a day, 7 days a week.
We measure our success in the satisfaction of our clients – not only with the services, products and technical support they receive, but with every aspect of the relationship.
Got questions about our services? Get in touch.
More than 30 years' experience
Completed Projects
OUR SERVICES
ELECTRICAL AND INSTRUMENTATION
- Maintenance and repair
- Electric motor, generator overhauls and repairs
- Thermographic surveys
- Process control and automation
HVAC AND MECHANICAL
- A/C maintenance and repairs
- HVAC system design and installation
- Heat exchanger refurbishments
- Customisation and retro fits
EX HAZARDOUS AREA SERVICES
- Ex Hazardous Area (EEHA) inspections
- Installation and maintenance
- Ex dossiers
MECHANICAL AND ENGINEERING
- Laser alignment
- Machinery alignment, mounting and chocking
- Anchor bolt design and controlled bolting
- Fabrication
FOUNDATION AND CONCRETE REPAIR
- Marine pylon, bridge and dam repairs
- Structural strengthening
- Advanced concrete cutting
- Hydro-blasting and robotic demolition

OTHER SERVICES
- Sourcing and procurement
- Mobile onshore and offshore equipment
- Asset and integrity maintenance
- Project management
- Concept development
OUR CULTURE
COMMUNITY & PEOPLE
Just as the diversity and breadth of our people allows us to grow and realise success, our engagement with the wider community allows us to share this success and contribute to a better outcome for all stakeholders.
We attract and retain the best talent, and encourage personal and professional development. Where possible, we provide career growth opportunities and develop our team via comprehensive learning and development pathways. Our people help create and influence the culture at ESI Tech Group and we foster an environment of sharing knowledge and experiences throughout the company without prejudice or barriers.
This allows us all to grow individually and as a company in terms of our expertise, our service delivery and our companionship.
The ESI Tech Group team is committed to corporate social responsibility, ensuring the impact of our operations is positive and supportive of the local community. We do this through these initiatives:
- Equal opportunity employment
- Training programs
- Buy-local policy
- Resource contribution
- Low energy consumption and low emissions programs
HEALTH, SAFETY, ENVIRONMENT & QUALITY
ESI Tech Group’s owners, management and employees are committed to maintaining a safe, equitable and sustainable working environment wherever we operate.
Our robust HSEQ Management System, based on AS/NZ 4801, is central to planning, operations and management of our day-to-day activities and to every contract.
We deliver safe, high-quality services and products on every contract, striving to be incident-and injury-free while reducing our environmental footprint.
We ensure every staff member takes personal responsibility for safety and exercises the utmost care in every job performed.
Our technicians strictly adhere to onsite safety policies as well as our Occupational Health, Safety & Environmental Policy.
INTEGRATED MANAGEMENT APPROACH
Our integrated management approach links all aspects of our business risk framework, ensuring we keep risk levels as low as reasonably practical.
We have a dedicated resource to manage, improve and monitor the system, which is integrated across all our business systems.
To achieve our aim of being incident- and injury-free, our people have created an encouraging and open safety culture, supported by management-driven training, positive reinforcement of initiatives, open consultation with all stakeholders, and formal analysis and review of performance indicators.





