Which type of registration allows manufacturers to perform CNG activities?

Manufacturer Registrations are specifically designed to authorize manufacturers to engage in activities related to compressed natural gas (CNG). This type of registration demonstrates that the manufacturer meets certain regulatory requirements necessary to ensure compliance with safety, operational, and quality standards relevant to CNG production and handling. It signals that the manufacturer is recognized by regulatory bodies and can legally conduct CNG-related operations, which is crucial in maintaining safety and reliability in the industry.

The other options, while they may serve distinct purposes within the regulatory framework, do not specifically relate to the manufacturer's capability to perform CNG activities. Vendor Registration typically pertains to suppliers or vendors rather than manufacturers. Contractor Authorization is aimed at contractors completing specific tasks rather than manufacturing processes. Lastly, Service Registrations often apply to service providers rather than entities involved in the manufacturing of CNG products. This distinction is key to understanding the proper registration needed for various roles within the CNG sector.