Please feel free to contact us on the forum.
You can also contact us via the contact us form or email us at:
firstname.lastname@example.org. However, we prefer answering questions on the forums to email, as others can also benefit from the answers.
We normally answer all queries within one business day.
Google itself can be contacted by phone for most countries or email 24/7 via the contacts shown in this link.
If you have a paid Google account, your can contact Google Drive premium support.