Every pet company worth knowing.

Ryohin Keikaku operates MUJI, the Japanese lifestyle retailer and manufacturer, which also sells pet bedding and storage.

Drug Cosmos is a Kyushu-based drugstore and discount store operator.

Juntendo is a Chugoku/Shikoku-region home center chain with 122 stores as of January 2026.

Inageya is a food supermarket chain based in Tokyo's Tama area.

Sugi Holdings is a major Aichi-origin drugstore group with strength in dispensing pharmacies.

Nishimuta is a Kyushu and Okinawa home center chain.

UNY operates the Apita and Piago general merchandise stores under Pan Pacific International Holdings.

FamilyMart is a major Itochu-affiliated convenience store chain with around 16,000 stores in Japan.

Shimachu is a Kanto-based home center and furniture retailer, now part of the Nitori Holdings group.

Big-A is the discount food supermarket banner of the Aeon group.

OK Corporation is a Tokyo-area discount supermarket chain built on an everyday-low-price model.

Create SD Holdings is a Kanagawa-based Japanese drugstore chain.

Yamashin is an Ibaraki-based home center operator.

Seijo Ishii is a Japanese food supermarket chain focused on high-quality and imported foods.

Ministop is the convenience store chain of the Aeon group.

Tokyu Hands is a Japanese lifestyle variety store ('hint market') with a broad pet supplies and DIY range.

Daiyu Eight is a Tohoku-region home center with 70 stores as of January 2026, part of Alleanza Holdings.

Tomod's is a Sumitomo-affiliated drugstore chain strong in station-front Tokyo locations.

Jumbo Encho is a Shizuoka home center operator, now part of the DCM group.

Poplar is a Hiroshima-origin Japanese convenience store chain.

Loft is a Japanese lifestyle goods chain covering stationery, cosmetics and pet supplies.

Daiso Sangyo operates the Daiso 100-yen shop chain, which carries an extensive range of pet supplies.

Sunday is a Tohoku home center chain in the Aeon group, with 68 stores as of January 2026.

Yaoko is a Saitama-based food supermarket chain known for fresh produce.