Exhibit 21.1 Subsidiaries of the Registrant Jurisdiction of Incorporation ----------------------------- Direct Subsidiaries of NN, Inc. NN Ownership Interest or Organization - ------------------------------- --------------------- --------------- Industrial Molding GP, LLC 100% Delaware The Delta Rubber Company 100% Connecticut NN Euroball ApS 54% Netherlands NN Mexico, LLC 51% Delaware Jurisdiction of Incorporation ----------------------------- Indirect Subsidiaries of NN, Inc. Ownership or Organization - --------------------------------- --------- --------------- Industrial Molding LP, LLC 100% owned by Industrial Tennessee Molding GP, LLC Industrial Molding Group, L.P. 99% owned by Industrial Tennessee Molding LP, LLC and 1% owned by Industrial Molding GP, LLC NN Arte S. De R.L. De D.V. 99% owned by NN Mexico, Mexico LLC Kugelfertigung Eltmann GmbH 100% owned by NN Germany Euroball ApS Euroball S.p.A. 100% owned by NN Euroball ApS Italy NN Euroball Ireland Ltd. 100% owned by Euroball Ireland S.p.A.