
American Thread Company
Also known as Willimantic Linen Company
Many listed buildings are private homes. Please enjoy them from the street.
About the district
American Thread Company, at 322, 440, 480, 560 Main & 157 Union Sts., was added to the National Register of Historic Places on Jul 30, 2014. The Register lists it for its architecture, town planning and industry, at the local level. The district takes in 14 historic buildings. The listing covers 11.6 acres.
What it isMill complex in Connecticut, U.S. From Wikidata (CC0). Read about it on Wikipedia ↗
Make it a walk: 5 landmarks in about 20 minutes
322, 440, 480, 560 Main & 157 Union Sts., Windham · about 0.6 miles on foot, as the crow flies















3 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of American Thread Company
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about American Thread Company
Is American Thread Company on the National Register of Historic Places?
Yes. It was added on Jul 30, 2014 (Register number 14000434).
Is American Thread Company a National Historic Landmark?
No. It is on the National Register; Connecticut has 64 National Historic Landmarks. The nearest is William Williams House, 5.1 miles away.
Can you visit American Thread Company?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · Wikidata. Map tiles © OpenStreetMap contributors.



