The performance of supplier companies was to be 'tightly controlled' and all parties were 'contractually committed' to a single delivery plan.

It will also be able to guarantee work for the 4,500 people directly employed by the dockyards and tens of thousands more workers at supplier companies.

These usually only work with the supplier company's service, although some allow limited function with other services.

Members include livestock feed manufacturers and ingredient suppliers, pet food manufacturers and supplier companies, regional and state associations, and international firms.

The other operators will usually consist of personnel from supplier companies, who are trained in the relevant field, such as wireline, coiled tubing, wellhead maintenance, etc.