EXHIBIT 21

THE LUBRIZOL CORPORATION

% OF STATE/COUNTRY
PRINCIPAL SUBSIDIARIES OWNERSHIP OF INCORPORATION

Lubrizol A.G. 99.7% Switzerland
Lubrizol do Brasil Aditivos, Ltda. 100% Brazil
Lubrizol Canada Limited 100% Canada
Lubrizol de Chile Limitada 100% Chile
Lubrizol China, Inc. 100% Ohio
Lubrizol Espanola, S.A. 100% Spain
Lubrizol France S.A. 99.995% France
Lubrizol Gesellschaft m.b.H. 100% Austria
Lubrizol G.m.b.H. 100% Germany
Lubrizol Great Britain Limited 100% United Kingdom
Lubrizol International Inc. 100% Cayman Islands
Lubrizol International Management
Corporation 100% Nevada
Lubrizol Italiana, S.p.A. 100% Italy
Lubrizol Japan, Limited 100% Japan
Lubrizol Limited 100% United Kingdom
Lubrizol de Mexico, S. de R.L. 100% Mexico
Lubrizol Overseas Trading Corporation 100% Delaware
Lubrizol Scandinavia AB 100% Sweden
Lubrizol Servicios Tecnicos S. de R.L. 100% Mexico
Lubrizol South Africa (Pty.) Limited 100% South Africa
Lubrizol Southeast Asia (Pte.) Ltd. 100% Singapore
Lubrizol de Venezuela C.A. 99.9% Venezuela
Anedco Inc. 100% Nevada
Gate City Equipment Company, Inc. 100% Georgia
Langer & Company G.m.b.H. 100% Germany
SVO Specialty Products, Inc. 100% Delaware

AFFILIATES

Lubrizol India Limited 40% India
Industrais Lubrizol S.A. de C.V. 40% Mexico
Lubrizol Transarabian Company Limited 49% Saudi Arabia
C.A. Lubricantes Quimicos L.Q. 49% Venezuela
Solub Product Application Laboratory 40% Russia