• Islamic Society Of North America (ISNA)
• Councel on American-Islamic Relations (CAIR)
  
• Islamic Circle of North America (ICNA)
• Muslim Students Association of the US and Canada (MSA National)
• More ...
  

Some Islamic resources on the web that enclude audio and video lectures, books, Quranic recitations, songs, etc:

• Islamway
• Islamicity
• Islamweb
• Al-Sunnah
• Aswatal Islam
  
• Jannah
• Nidaul Iman
  

• The Holy Quran, You can also find the translation for Ayats in 6 different languages by clicking on "?" on the beginning of every line (starting from the right).
• Quran Explorer, Listen to the Quran Recitation and Translation online in Arabic, English, and Urdu. Or click here.
  
• Quran Flash, Read and browse the Quran in Arabic as if it is a real book!
  
• Holy Quran An electronic version of the English translation of the meanings of the Holy Qur'an, translated by M.H. Shakir, together with a search engine.
  
• Quraan.com, another electronic version of the Qur'an in English and Arabic together with audio capability.
• Quran.org, electronic version of the translaion of the Quran to dozens of languages together with historical background about the Quran and Islam.
• Tafseer Ibnu Katheer, English translation of the explanation of the Qur'an made by the well-known scholar Ibnu Katheer.
• Audio Tafseer by Sheikh Muntasser Kettani (1332H - 1419H) at Masjid al Haram in Mecca in 1390H - 1407H (1970G - 1987G).

Here is a list of Islamic Bookstores:

• Dar Al-Hikmah A virtual Library of the Witness-Pioneer: online Islamic books, audio library, articles, and more.
• Islamic Bookstore, an large on-line Islamic bookstore,
• Al-Maktabah.
  
• Dar Al Kitab Wal Hikma.
  

Sunnah and Hadith The explosion of Islam in the 7th and 8th centuries confronted Islamic scholars with a daunting task: to preserve the knowledge of the Sunnah (traditions) of the Prophet (Peace Be Upon Him). Hence the science of Hadith (sayings of the Prophet) evaluation was born. Tremendous efforts were required to sift the true reports from the false reports.

Information about Islam:

• WhyIslam Dawah Project, This is an ICNA project and has some excellent free material that can be ordered online.
• The Institute of Islamic Education and Information
• The Islamic Affairs Department
• A Journey to Explore Islam, The first multimedia CD to introduce Islam to those who are seeking the truth. A Journey To Explore Islam includes the translation of the meanings of Qur'an beside more than 450 other video, audio, and text titles about Islam integrated with rich art and graphics with a very friendly user interface.
• Islam Guide, a brief illustrated guide to understanding Islam, Muslims and the Quran.
  
• Frequently Asked Questions about Islam.
• Commonly Asked Questions about Islam
• PBS - Islam: Empire of Faith An extraordinary production design, set in epic landscapes, gives the film a startling sense of scope and provides a remarkable window through which to examine the past. The film took 18 months to edit, and is supported by an original score by Leonard Lionnet.
• Qur'an and Sunnah Society.
  
• How To Pray Learn how to pray by pictures and sounds (for new Muslims).
  

International Institute of Islamic Thought Amazing source for online lectures by world renowned scholars on current issues and concerns.

Guided Ones on the Net  A wonderful website to project the saner image of Islam and Muslims. Some of the issues tackled like those of Merve Kavacki, Bahraini Princess Meriam Al-Khalifa and Burqas need special mention.

Science Research Foundation Mr. Adnan Oktar, the Honorary President of this foundation, is a religious democrat intellectual  who has devoted his life to values he believes in, has authored more than 150 valuable works under the pen-name "Harun Yahya" covering topics from science to politics and ethical problems . The foundation includes experts in politics, economics, technology, the arts, and other fields, all of whom are committed to participate in the Islamic Renaissance in all fields and at all levels.

Dr. Jamal Badawi Teach in on Islam by Jamal Badawi, a famous Canadian scholar. Highlights include scholarly works in comparative religions and understanding of Islam through rationality.