History of the International Oil Spill Conference
| 1969 | Joint Conference on Prevention and Control of Oil Spills sponsored by the Federal Water Pollution Control Administration and the American Petroleum Institute New York, New York |
| 1971 | International Oil Spill Conference sponsored by the Environmental Protection Agency, U.S. Coast Guard and API Washington, D.C. |
| 1973 | IOSC sponsored by EPA, USCG and API, Washington |
| 1975 | IOSC sponsored by EPA, USCG and API San Francisco, California |
| 1977 | IOSC sponsored by EPA, USCG and API New Orleans, Louisiana |
| 1979 | IOSC sponsored by EPA, USCG and API Los Angeles, California |
| 1981 | IOSC sponsored by EPA, USCG and API Atlanta, Georgia |
| 1983 | IOSC sponsored by EPA, USCG and API San Antonio, Texas |
| 1985 | IOSC sponsored by EPA, USCG and API Los Angeles, California |
| 1987 | IOSC sponsored by EPA, USCG and API Advertised as the 10th conference Baltimore, Maryland |
| 1989 | IOSC sponsored by EPA, USCG and API A dvertised as the 20th anniversary San Antonio, Texas |
| 1991 | IOSC sponsored by EPA, USCG and API San Diego, California |
| 1993 | IOSC sponsored by EPA, USCG and API Tampa, Florida |
| 1995 | IOSC sponsored by EPA, USCG, API, International Petroleum Industry Environmental Conservation Association and the International Maritime Organization Long Beach, California |
| 1997 | IOSC sponsored by EPA, USCG, API, IPIECA and IMO Fort Lauderdale, Florida |
| 1999 | IOSC sponsored by EPA; USCG, API, IPIECA, and IMO Seattle, Washington |
| 2001 | IOSC sponsored by EPA, USCG, API, IPIECA, IMO, Minerals Management Service, National Oceanic and Atmospheric Administration Tampa, Florida, USA |
| 2003 | IOSC sponsored by EPA, USCG, API, IPIECA, IMO, MMS, NOAA, Canadian Coast Guard, Environment Canada |
| 2005 | IOSC sponsored by EPA, USCG, API, IPIECA, IMO, MMS, NOAA Miami Beach, Florida, USA |
| 2008 | IOSC sponsored by EPA, USCG, API, IPIECA, IMO, MMS, NOAA Savannah, Georgia, USA |
| 2011 | IOSC sponsored by EPA, USCG, API, IPIECA, IMO, BOEMRE (formerly MMS), NOAA Portland, Oregon |