2024:
ATR International AG has 41 shareholders and 290 trading companies

2023:
ATR International AG has 42 shareholders and 286 trading companies

2022:
ATR International AG has 42 shareholders and 277 trading companies
Membership of Motores de los Andes S.p.a. (Andes Motor) in the trading cooperation
Membership of hsy Autoparts Pty Ltd. in the trade cooperation
Membership of GRUPO MASTER in the trade cooperation.

2021:
Foundation of ATR Digitisation GmbH
Membership of Digraph Transport Supplies Ltd in the trade cooperation
Membership of Rimbunan Kuasa Sdn Bhd in the Trade Cooperation

2020: 
AREM GROUP SA membership in the trade cooperation.

2019:
Membership of Autopasion sh.a. in the trade cooperation
Membership of Jiangsu Carzone Auto Parts Co., Ltd. in the trade cooperation
Membership of Empire Motor Co., Ltd. in the Trade Cooperation
Membership of Mannheim Spa in the trade cooperation

2018:
ATR International AG has 39 members with 268 trading companies in 62 countries 
Membership of MOTOREX d.o.o. in the trade cooperation
Membership of Martaş Automotive in the trade cooperation
Membership of Carlos Vázquez S.A. in the trade cooperation
Membership of Reydi de H.P. SA in the trade cooperation

2017:
50th anniversary of Auto-Teile-Ring GmbH.
First shareholder in Southeast Asia with GOLDENLINK AUTO PTE LTD
Membership of PARTS-MALL AtZ CO., LTD. in the trading cooperation
Membership of BSB Junrose Auto Parts Corporation in the trading cooperation
Membership of Auto Business Corporation Company Limited in the trading cooperation

2015:
Moroccan company Maghreb Accessoires is the first member of ATR International AG in North Africa.
AutoZone Inc. membership in trade cooperation

2013: 
Membership of MEKO AB in the trade cooperation
Membership of Unique Trade Co. in the trade cooperation
Membership of LKQ Europe GmbH in the trade cooperation

2012:
Phaeton DC LLP, Kazakhstan is the first shareholder of ATR International AG in Central Asia

2011:
10th anniversary of the workshop concept AC AUTO CHECK
40th anniversary of the German-language ATR customer magazine "blinklicht".
The first member from Africa joins ATR
Membership of DPK - Comercial Automotiva SA, the first member in South America
ATR International AG is now represented on 5 continents

2010:
10th anniversary of the autoPARTNER specialised trade concept
Membership of COMPONENT DISTRIBUTORS LIMITED in the retail cooperation

2009:
10th anniversary of ATR International Ltd.
Aaron Montecchio Ltd. is the first member in the Middle East
Membership of Davasa Automoción S.L. / Concentración y Gestión Asociados (CGA) in the trade cooperation
ESET Premium Automotive Group membership in the trade cooperation.

2008:
Foundation of ATR SERVICE GmbH
Membership of Tokić d.o.o. in the trade cooperation

2007:
40th anniversary of Auto-Teile-Ring GmbH
10th anniversary of the Meisterhaft workshop concept
Membership of ARMTEK Group of companies in the trade cooperation

2006:
Membership of CREATE BUSINESS S.A. in the trade cooperation 
Membership of AUTO PLUS BULGARIA JSCo in the Trade Cooperation

2005:
Introduction of the international workshop concept ACC AUTO CHECK CENTER
10th anniversary of the own brand Cartechnic
Membership of FORUM-AUTO in the trading cooperation
Membership of UNIX AUTÓ Kft. in the trading cooperation

2004:
Introduction of the IPAS (International Preferred ATR Supplier) purchasing strategy.
Membership of ROTAŞ Group in the trade cooperation

2003:
Strategy for the international expansion of ATR International AG 
Membership of Bílanaust hf. in the trading cooperation

2002:
Internationalisation of the own brand of ATR Cartechnic
Membership of SKAMA S.A. and KG Knutsson AB in the trading cooperation

2000:
Foundation of the ATR Academy

1999:
Foundation of ATR International AG with 10 members in 8 countries
Membership of Inter Cars S.A. in the trading cooperation

1997:
Membership of SWISS AUTOMOTIVE GROUP AG in the trading cooperation

1995:
Introduction of the own brand of ATR Cartechnic

1991:
The first international member joins ATR

1967:
Foundation of Auto-Teile-Ring GmbH by 5 leading German companies of the independent car parts trade. The companies Matthies and STAHLGRUBER are still members today.