Seeking Alpha is an excellent source of free transcripts for companies' earnings calls and investor presentations.

http://seekingalpha.com/tag/transcripts

The site above provides access to thousands of quarterly conference call transcripts. It is possible to use the Seeking Alpha site to access transcripts via ticker, company name, or sector. The Seeking Alpha site is also highlighted on the right side of this blog - along with other timely investment blogs and links.

Seeking Alpha provides opinionated, interesting and useful content about stocks, companies and industries from the best writers in the financial world. Its Transcript Center (http://seekingalpha.com/tag/transcripts) is unique as it is the only free, online source providing quarterly earnings conference call transcripts from more than 3,000 companies, including all of the Russell 3000 Index. The center also includes full transcripts of corporate presentations. All transcripts are fully searchable and available online within hours of the actual call, making them invaluable to the financial community, the media and individual investors.