This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Membership Emails
Below is a sample of the emails you can expect to receive when signed up to Trimble Water.
Thanks for contacting us. I would be pleased to better understand your plan and focus points regarding our range and solutions. Please feel free to propose me a suitable time slot to discuss further. Best regards