Is Thundershirt Made in USA?
Last checked Oct 8, 2026 · 4 verified products · see the evidence
Yes — Made in USA
Thundershirt manufactures its products in the United States — specifically in Durham, NC. Sources: the brand's own website. Each is quoted and dated below. A recent report of a possible change is under review; see below.
American Score
Average American Score across 4 verified products — scores ≥70% are shown on this site.
Manufacturing Details
- Made in
- Durham, NC
- Headquarters
- Durham, NC
- Location detail
- Specific city confirmed
- History
- Recent domestic production
- Founded
- 2009
How we verified Thundershirt
Most recent check: Oct 8, 2026
From the brand's website
“…Melatonin, L-Tryptophan, Ashwagandha, and L-Theanine, these chews are made in the USA (with globally sourced goodness).”
thundershirt.com · checked Sep 30, 2026
Amazon listings
We read the live Amazon listing for 4 of the 4 Thundershirt products on this page (most recently Oct 8, 2026). None of them states where the product is made, so these products rely on the brand-level evidence above.
Ongoing monitoring
Under review. A source reports a possible change we are still confirming:
“Ceva Animal Health has announced the acquisition of ThunderWorks”
dvm360.com · checked Sep 21, 2026
These checks are run by our software on a schedule: brand websites are re-read about every three weeks, Amazon listings weekly, and news is scanned monthly. Every flag is checked against its original source before anything on this page changes. How the American Score works.
About Thundershirt
Thundershirt manufactures anxiety wraps for dogs and cats in Durham, North Carolina, producing a clinically proven product that uses gentle constant pressure to calm pet anxiety during thunderstorms, fireworks, separation, and travel.
Heritage and History
Thundershirt was founded in Durham, North Carolina in 2009 after founder Phil Blizzard found that wrapping his dog Dosi in a T-shirt during thunderstorms noticeably reduced the dog's anxiety. The concept was based on existing behavioral science research showing that gentle constant pressure activates the parasympathetic nervous system, reducing anxiety responses in humans and animals.
Veterinarians and animal behaviorists quickly recognized that Thundershirt was addressing a real clinical problem — anxiety is among the most common behavioral issues in companion animals, and existing treatments were limited to pharmaceutical sedation. A drug-free approach with clinical evidence of effectiveness filled an obvious gap.
Made in Durham, North Carolina
Thundershirt products are sewn and assembled in Durham, North Carolina, where the company maintains quality control over the fit specifications that make the product effective. The wrapping mechanism requires precise sizing to apply consistent gentle pressure across the chest and torso — too loose and the pressure effect disappears, too tight and the wrap is uncomfortable.
Durham's Research Triangle location provides access to veterinary research expertise that informs product development. The clinical claims Thundershirt makes are backed by actual surveys showing over 80 percent effectiveness for anxiety reduction in treated animals — unusually strong evidence for a non-pharmaceutical product. American manufacturing ensures the product is made consistently to the specifications that produce those clinical results.
American-Made Thundershirt Products
USA Verified
Frequently Asked Questions
Is Thundershirt made in the USA?
Yes. Thundershirt is made in the United States, manufactured in Durham, NC. Thundershirt manufactures anxiety wraps for dogs and cats in Durham, North Carolina. Founded 2009, products sewn and assembled in the USA. Clinically proven to reduce anxiety in pets. Recommended by veterinarians across the USA.
Where is Thundershirt made?
Thundershirt is made in Durham, NC. The company is headquartered in Durham, NC.
Which Thundershirt products are made in the USA?
We carry 4 verified American-made Thundershirt products across Health & Personal Care. Every listing links directly to a trusted online store with verified manufacturing evidence.