Good start from industries
The following companies are the founding members of the Alliance : BASF, Berry Global, Braskem, Chevron Phillips Chemical Company LLC, Clariant, Covestro, Dow, DSM, ExxonMobil, Formosa Plastics Corporation USA, Henkel, LyondellBasell, Mitsubishi Chemical Holdings, Mitsui Chemicals, NOVA Chemicals, OxyChem, PolyOne, Procter & Gamble, Reliance Industries, SABIC, Sasol, SUEZ, Shell, SCG Chemicals, Sumitomo Chemical, Total, Veolia, and Versalis (Eni).
https://www.usinenouvelle.com/article/27-grands-industriels-et-un-milliard-de-dollars-pour-reduire-la-pollution-plastique.N794059
https://www.cips.org/en/supply-management/news/2019/january/global-alliance-to-end-plastic-waste-invests-over-1bn-in-sustainable-future-/
https://www.theguardian.com/environment/2019/jan/16/industry-alliance-sets-out-1bn-to-tackle-oceans-plastic-waste
https://www.liberation.fr/planete/2019/01/17/plastique-dans-les-oceans-des-multinationales-creent-une-alliance-pour-se-racheter-une-conscience_1703557?fbclid=IwAR3ZMSk7qkYEXTn0krN8u3XSSas9IqXH233dIxHkn_a_zLaYa8RTLtqI84c
https://www.plasticsoupfoundation.org/en/2019/01/new-industrial-offensive-alliance-to-end-plastic-waste/