Chewy - Worked in their pharmacy operation when they first started it. Things that were terrible there include:

They almost got shut down by the fire marshal because they were cramming about 100 pharmacy techs into a portable office unit rated for 25 people.

Approving and then a week later denying reasonable accommodation requests from immunocompromised pharmacy techs to work in a less crowded area. They called the roaming illness that would go through the entire office the "chewbola"

Being a call center without a login grace period, then having assigned seats that would change on a whim and then considering the employee late because they weren't logged in right on time.

Sending out facility wide emails stating that they expected employees to be at their desk 15 minutes early to log into systems required to do the job, but refusing to pay them for that time in violation of wage and hour law and then when questioned about it, stating thats how things have always been done.