The Senate Commerce Committee will question executives from broadband providers as well as major tech companies at an upcoming hearing on privacy, the committee announced Wednesday.

“Consumers deserve clear answers and standards on data privacy protection,” Senator John Thune (R-South Dakota) stated. “This hearing will provide leading technology companies and internet service providers an opportunity to explain their approaches to privacy, how they plan to address new requirements from the European Union and California, and what Congress can do to promote clear privacy expectations without hurting innovation.”

Witnesses from AT&T, Amazon, Google, Twitter, Apple and Charter are expected to testify at the hearing, which will occur on September 26.

The list of expected witnesses doesn’t include any privacy advocates or consumer representatives — an omission flagged on Twitter by Gigi Sohn, who served as counselor to former FCC Chairman Tom Wheeler.

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