1960 - Erwin GUERROVICH comes back from England and starts working with Khalil FATTAL & Fils in their pharmaceutical department.
1961 - EG is promoted head of the advertising department in Khalil FATTAL & Fils.
1961 July 12 - We began our advertising activities. There were 3 of us in 1-1/2 rooms.
1963 - Middle East Marketing and Advertising Services (MEMAS) was established. The partners other than Khalil FATTAL, were Erwin GUERROVICH, Darwiche MASSOUD, Gaston CHIKHANI, Gabriel BRENAS.
1967 July - Erwin GUERROVICH bought a 25% share of MEMAS.
1968 March - MEMAS opened an office in Kuwait - Name of local partner: Al SHAYA est.
1970 January 01 - Merger between MEMAS and HIMA (Raymond HANNA) and Nahi GHORAYEB, Sami FARES (formerly Pharaon Advertising), to become INTERMARKETS. After the merger, INTERMARKETS pioneered expansion to the Gulf and built the first regional network.
1971 June - INTERMARKETS formally inaugurated its Beirut office.
1972 May - There were 52 associates in Beirut and 6 in Kuwait, our consolidated business came to $2.5 million.
1972 September - September Bahrain office opened - Name of local partner: Ahmad Youssef Mahmound HUSSIEN.
1974 February - INTERMARKETS employed 64 people.
1975 November Opening of INTERMARKETS Cairo.
1976 - Opening of INTERMARKETS Dubai in partnership with Jumaa Al MAJED Est.
1977 - GUERROVICH president of IAA Lebanon.
1977 April - Opening of INTERMARKETS Jordan office, in partnership with Bassem DAJANI.
1978 March - Opening of the Saudi Jeddah INTERMARKETS in partnership with TIHAMA.
1979 - INTERMARKETS billed $16 million.
1979 - Opening of Bahrein Office.
1980 October - INTERMARKETS Paris opened.
1982 July - Head office moved to Paris.
1984 March - Opening of INTERMARKETS London office.
1990 March - INTERMARKETS OMAN office opened in partnership with Al SULTAN.
1992 - Head office moved to Lebanon.
1993 - Opening of INTERMARKETS YEMEN office in partnership with Said al HAYEL.
1994 - Opening of INTERMARKETS SYRIA office.
1996 - Opening of INTERMARKETS RIYADH office in partnership with TIHAMA.