Yes, the CIM calls all access the SMBIO tables. Not sure this really answers your question.
public string Manufacturer
General Information: The name of the organization responsible for producing the PhysicalElement. This organization might be the entity from whom the Element is purchased, but this is not necessarily true. The latter information is contained in the Vendor property of CIM_Product.
Product Specific Usage: "Manufacturer" string in the SMBIOS Memory Device (type 17) structure.