Thomas de BoerShell Construction Biogas A/S, Shell Aarhus Biogas A/S, Shell Holsted Biogas A/S, Shell Korskro Biogas A/S, Shell Glansager Biogas A/S, Shell Køng Biogas A/S, NATURE ENERGY 1 A/S, NATURE ENERGY ØRBÆK A/S, Shell International Biogas A/S, Shell Kværs Biogas A/S