2004 establishments in Texas

American company

METRORail is the light rail system in Houston, Texas (United States). In , the system had a ridership of , or about per weekday as of . METRORail ranks as the second most-traveled light rail system in the Southern United States and the 10th most-traveled light rail system in the United States, and has the highest ridership per mile for light rail systems in the Southern US. METRORail is operated by the Metropolitan Transit Authority of Harris County (METRO).

Lavabit is an open-source encrypted webmail service, founded in 2004. The service suspended its operations on August 8, 2013, after the U.S. Federal Government ordered it to turn over its Transport Layer Security (TLS) private keys, in order to allow the government to spy on Edward Snowden's email.

American psychedelic rock band

skyscraper in Austin Texas

American instrumental / progressive metal band

hindu temple in Texas, United States