Creating Intelligent Environmental Engineering Solutions. We are an Australian owned environmental engineering company providing customised solutions for hazardous environments. From remediation of unexploded ordinance, to bulk fuel systems, specialised marine spill clean-up, PFAS remediation technology, protective garments for military - and more - OPEC Systems provides a diversity of client focused solutions. We also offer education through our Registered Training Organisation. We are known for: Provision of innovative, workable solutions consistent with world's best practice; Delivery of award-winning, quality products and services; A strong service ethic which prioritises safety, people and relationships; and Our honest and reliable approach which has served us well for nearly 30 years.