
statdiary.info
StatDiary is a personal data tracking service. You can create statistics about your mood, weight, coffee intake or about more general things like the temperature, company meeting counts, etc.
The product is in beta, but that’s no excuse!

redstonehost.com
They provide Minecraft server hosting services.

canon.com
Canon Canada makes you create an account to submit a repair. On account creation, it sends you both your email and password in plain text!

angelfire.lycos.com
Angelfire offer free web hosting. They were founded in 1996. This email was sent in 2011.
In fact this is a double fail - this was an ancient account for which the email address at hotmail had long been deleted by hotmail. So I registered at hotmail again using the same username, got angelfire to send a password reminder and bam, my 12 year old password was emailed in plain text to this newly-re-registered email account.

lpi.org
Linux Professional Institute, purveyor of internationally-recognized Linux certification exams, appears to store user credentials in plain-text.

mymathlab.com
From the forgotten password link from Pearson Education, another known plain text offender!

fedex.com
I got a pre-generated FedEx shipping label, and it looks like they’re putting my username and password in the URL in plain text.

disney.co.uk
Won’t let you forget your password - they don’t even go through the hassle of encrypting it…

myanimelist.net
Allows you to manage an on-line list of anime/manga you’ve seen, you want to see, it’s rating, etc.

nascigs.com
Natural American Spirit
North Carolina based additive-free Tobacco company.