The computer maker released a statement Wednesday saying it has let Republican Texas Gov. Greg Abbott know that the Round Rock-based company considers diversity a "business imperative."
Texas business groups have urged lawmakers for months to not pursue Indiana-style laws that gay rights activists say discriminate. But Dell becomes the most visible company to voice public opposition.
Nearly every Republican in the Texas House is sponsoring a bill that would prohibit state and local officials from issuing marriage licenses to same-sex couples. The proposal must pass the House by midnight Thursday to advance.
Dozens of other bills are in front of the measure with the deadline looming.
Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.