Thiess Pty Ltd holds various certifications that reflect its commitment to maintaining high standards in safety, quality, and environmental management across its operations. These certifications typically include those that align with international standards such as ISO 9001 for quality management systems, ISO 14001 for environmental management systems, and ISO 45001 for occupational health and safety management systems. Additionally, Thiess may also achieve certifications related to specific industry standards or practices, which further demonstrate its dedication to excellence in construction and mining services. It is always a good idea to visit the official Thiess website for the most current information about their certifications, as they may update or acquire new certifications as part of their ongoing improvement initiatives.