Six Philco-Bendix Commercial Dryers in turquoise at the 2:20 mark.
One Frigidaire (residential?) Dryer in white at the 4:00 mark.
South Central Nebraska
Tim (Mr. Goodpliers) is usually pretty good about responding to inquiries in the comments section. These machines were at an auction he visited and filmed. He likely would have the contact info to the owner should somebody here be interested.