43121000 - Well-drilling machinery

CPV code 43121000 in the EU Common Procurement Vocabulary refers to Well-drilling machinery. It sits at level 4 of the CPV hierarchy as a category within the 43 division. This code is nested directly under 43120000, narrowing the broader category into the specific area of well-drilling machinery. It is further divided into 6 direct sub-codes such as 43121100, 43121200, 43121300, each refining the scope of well-drilling machinery into more specific goods, services or works. Contracting authorities across the EU use 43121000 in TED notices and national procurement portals to signal that a tender relates to well-drilling machinery.