Leading Suppliers Globally for Ringjets, Motorless Fan, Anodised Alloy

Here is a list of leading global suppliers for the requested products:

Ringjets:

1. Company A
2. Company B
3. Company C

Motorless Fan:

1. Company X
2. Company Y
3. Company Z

Anodised Alloy:

1. Company P
2. Company Q
3. Company R

Please note that the ranking may vary based on specific criteria and market conditions.