Any industry participant is entitled to become a shareholder of Gas Industry Co on application and payment of a $1 fee. Each shareholder holds a $1 share, which is redeemable at the option of the shareholder. Share Application form.

Shareholders must be industry participants, a term that is defined in Gas Industry Co's Constitution.
Every shareholder is entitled to one vote on a poll at a meeting of shareholders on any resolution. However, a shareholder may not vote on any resolution when the shareholder is:
Where two or more shareholders are subsidiaries of the same person who is not a shareholder, then only one of the shareholders may vote, unless the Board grants an exemption to the shareholders, allowing them both to vote.
All shareholders are required to pay an annual fee to Gas Industry Co. The Board set an annual fee for the 2009/10 financial year of $10,000 (plus GST) per shareholder.