SC Agrisol International RO SRL
http://agrisol.ro/wp-content/uploads/2019/01/Comunicat_Agrisol_2019.pdf
SC Expur SA
https://www.expur.ro/grija-fata-de-mediu
SC Delta Gas SRL
http://www.deltagas.ro/ialomita/images/DELTA-GAS-informare.PDF
SNGN Romgaz SA
https://www.depogazploiesti.ro/application/files/4615/2887/8004/Informatii_catre_public_depozit_Urziceni.pdf
S.C. CHEMGAS HOLDING CORPORATION S.R.L
http://www.chemgas.ro/