Certificates Posted May 19, 2015 CE and ISO CERTIFICATES IGS -Certificate of Corporate Membership CE Certificate of conformity ANNEX TO CERTIFICATE . ISO 9001 – EN – 2015 . ISO 9001 – BG – 2015 . ISO 14001 – EN – 2015 . . ISO 14001 – BG – 2015 . ISO 45001 – EN – 2018 . . . ISO 45001 – BG – 2018