IPA memiliki keanggotaan yang berasal dari perusahan dan individu. Terdapat 3 (tiga) jenis keanggotaan IPA, yaitu Anggota Perusahaan, Anggota Perusahaan Penunjang, dan Anggota Perorangan. Keanggotaan Perusahaan ditujukan pada perusahaan-perusahaan minyak dan gas bumi yang beroperasi di Indonesia, baik sebagai operator maupun non-operator.
The IPA is administered by a board of directors who decide on goals and carry them out. Five association officials and no more than eight other validly chosen company representatives make up the Board of Directors, which is comprised of company representatives. Members of the company vote annually for board members to serve on the association's executive committee for a term of one year. Individuals serving on the board have the opportunity to run for reelection.