| 1980 | Company founded in San Francisco, CA as Pacific American International Student Services (PAISS) providing homestay programs. |
| 1982 | AYUSA, high school year abroad, begins offering programs as a US designated Exchange Visitor Program Sponsor. |
| 1984 | AYUSA becomes a founding member of the Council on Standards for International Educational Travel and Exchange (CSIET). |
| 1985 | Japan Regional Center opens in Tokyo, Japan. |
| 1989 | AuPairCare, live-in childcare program is started, and Intrax Education Abroad (formerly Passages) is acquired to offer program development for short-term study abroad. |
| 1990 | Western Europe Center opens in Berlin, Germany. |
| 1992 | Intrax International Institute, ESL language school, opens in San Francisco. |
| 1998 | Intrax International Institute opens school in San Diego. |
| 1999 | Work Travel program added to provide work opportunities for university students on their summer break. |
| 2000 | Company marks its 20 year Anniversary with over 120,000 student alumni, from over 65 countries. Intrax International Institute opens Chicago location. |
| 2001 | Southern Africa Regional center opens in Johannesburg, South Africa. |
| 2003 | Career Training program, focused on providing training opportunities to young international professionals is launched. Intrax International Institute opens Vancouver, Canada location. |
| 2004 | Company is branded as Intrax Cultural Exchange to reflect its new unified approach toward its program offerings. |
| 2007 | Intrax launches Lango, foreign languages for kids. Geoff Watson becomes President of Intrax Cultural Exchange. |
| 2008 | Intrax Internships Abroad launches with internships in London, Paris, Madrid, Barcelona and Tokyo. |
| 2009 | AYUSA awarded Emerging Youth Leaders Grant from US Department of State. |
| 2010 | 2010 Intrax acquires ProWorld Service Corps, expanding into volunteer abroad opportunities. Intrax opens offices in France, Korea and Peru. Intrax Internships Abroad adds programs in Berlin and Beijing. |