Exhibit 21
The following is a list of the subsidiaries of the registrant as of February 26, 2007. Each such subsidiary does business under its corporate name.
Subsidiary | Jurisdiction of Incorporation | |
| Afton Chemical Additives Corporation | Virginia | |
| Afton Chemical Asia Pacific LLC | Virginia | |
| Afton Chemical Canada Corporation | Canada | |
| Afton Chemical Canada Holdings, Inc. | Virginia | |
| Afton Chemical Corporation | Delaware | |
| Afton Chemical de Mexico S.A. de C.V. | Mexico | |
| Afton Chemical de Venezuela, C.A. | Venezuela | |
| Afton Chemical GmbH | Germany | |
| Afton Chemical Industria de Aditivos Ltda | Brazil | |
| Afton Chemical Intangibles LLC | Virginia | |
| Afton Chemical Japan Corporation | Japan | |
| Afton Chemical Japan Holdings, Inc. | Virginia | |
| Afton Chemical Limited | United Kingdom | |
| Afton Chemical S.P.R.L. | Belgium | |
| Afton Chemical Trading (Beijing) Co. Ltd | China | |
| Afton China Corporation, PTD. Ltd | Singapore | |
| Afton Cooper Limited | United Kingdom | |
| EID Corporation | Liberia | |
| Ethyl Asia Pacific LLC | Virginia | |
| Ethyl Canada Holdings, Inc. | Virginia | |
| Ethyl Canada Inc. | Canada | |
| Ethyl Corporation | Virginia | |
| Ethyl Europe S.P.R.L. | Belgium | |
| Ethyl Export Corporation | Virginia | |
| Ethyl Foreign Sales Corporation | U.S. Virgin Islands | |
| Ethyl Interamerica Corporation | Delaware | |
| Ethyl Services GmbH | Switzerland | |
| Ethyl Services Limited | United Kingdom | |
| Ethyl UK Limited | United Kingdom | |
| Ethyl Shipping Company Limited | United Kingdom | |
| Ethyl Ventures, Inc. | Virginia | |
| Foundry Park I, LLC | Virginia | |
| Foundry Park II, LLC | Virginia | |
| Gamble’s Hill, LLC | Virginia | |
| Gamble’s Hill Lab, LLC | Virginia | |
| Gamble’s Hill Landing, LLC | Virginia | |
| Gamble’s Hill Third Street, LLC | Virginia | |
| Gamble’s Hill Tredegar, LLC | Virginia | |
| Interamerica Terminals Corporation | Virginia | |
| Libby G. Corporation | Liberia | |
| NewMarket Development Corporation | Virginia | |
| NewMarket Investment Company | Virginia | |
| NewMarket Services Corporation | Virginia | |
| Old Town LLC | Virginia | |
| The Edwin Cooper Corporation | Virginia | |
| Servicios Afton de Mexico, S.A. de C.V. | Mexico |
