San-J International, Inc.

What San-J International, Inc. does

San-J International, Inc. is a privately held, family-owned food manufacturer specializing in premium Japanese Tamari soy sauce and Asian-inspired sauces. The predecessor entity, San-Jirushi, was founded by the Sato family in Mie, Japan in 1804, making the underlying brand over 220 years old. The U.S. operations were established as an importer in 1978, and the first Tamari brewing facility in the United States was built in Henrico, Virginia in 1987, with a first-stage plant expansion completed in 2019 to meet growing demand. The Sato family retains ownership through the eighth generation, with Takashi Sato serving as President. The company is headquartered in the Richmond/Henrico, Virginia area and distributes across the United States and Canada.

The company's product line centers on Tamari soy sauce, distinguished from typical soy sauce by a 100% soybean, no-wheat formulation that the company states yields roughly 30% more umami. Production uses traditional Japanese koji (Aspergillus oryzae) fermentation, with cooked soybean nuggets inoculated using seed koji and held in temperature/humidity-controlled incubation chambers (muro), followed by moromi fermentation for up to six months. The portfolio spans core Tamari (regular, 28% and 50% reduced sodium, organic, and travel pack variants), Tamari Splash flavored SKUs (Umami, Sweet, Citrus) with 55–70% less sodium than standard Tamari, a pea-based No Soy Tamari alternative targeting full allergen avoidance, a full Asian Cooking Sauce line (Teriyaki, Thai Peanut, Szechuan, Korean BBQ, Hoisin, Mongolian, Sweet & Tangy, Orange), Organic Shoyu, White Miso Soup Mix, and a recently launched Premium Koji Granola line (Original, Matcha, Cocoa). Products carry multiple certifications, including GFCO gluten-free (tested at less than 5ppm for core Tamari), Non-GMO Project Verified, USDA Organic for select SKUs, Orthodox Union Kosher, Vegan Action vegan certification, and FODMAP Friendly.

San-J operates two parallel go-to-market motions: a consumer retail channel reaching end buyers through Amazon, the SAN-J Premium Store direct-to-consumer site at shop.san-j.com, and a national store locator spanning natural grocery, specialty, and mainstream retail partners; and a foodservice and bulk commercial channel using the Foodservice Express online ordering platform, dedicated foodservice sales representatives, and bulk packaging from 20oz through 5-gallon containers, plus portion packs. A third, smaller stream is the Bespoke Fermentation Service, offering custom sauce and seasoning development for restaurant chefs and commercial partners using the company's koji fermentation IP, with custom pricing by scope. Specific revenue figures and product pricing are not publicly disclosed, and no venture, private equity, or public-market ownership is identified in the source material.

Name

San-J International, Inc.

Legal name

San-J International, Inc.

Website

https://san-j.com

Company type

Private

Founded year

1804

Operating status

Operating

Short description

San-J International is a privately held, family-owned producer of premium Japanese Tamari soy sauce and Asian cooking sauces, founded in 1804. It serves US and Canadian retail consumers and foodservice operators through traditionally fermented, 100% soybean, no-wheat products from its Virginia brewery.

Ownership category

akta.pro rank

Product category

Tamari Soy Sauce and Asian Cooking Sauces

NAICS

Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing (311941), Food Manufacturing (311)

SIC

Miscellaneous Food Preparations & Kindred Products (2090), Food And Kindred Products (2000)

akta.pro primary industry

Soy Sauce, Tamari & Asian Condiments Manufacturing (AFAKADAF)

Keywords

• Tamari soy sauce
• Gluten-free asian sauces
• Koji fermentation products
• Soy-free tamari alternative
• Asian cooking sauces

Headquarters

HQ city

Richmond

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Consumer Retail Product Sales: Direct-to-consumer and retail sales of Tamari Soy Sauce, Tamari Splash, No Soy Tamari, Shoyu, Asian Cooking Sauces, White Miso Soup Mix, and Premium Koji Granola through Amazon, Premium Store (shop.san-j.com), and physical retail stores via store locator.
2. Foodservice/Bulk Commercial Sales: Bulk commercial sales of Tamari Soy Sauces and Asian Cooking Sauces to restaurants, institutions, and foodservice operators through distributors (Foodservice Express) and direct sales representatives. Products available in 20oz, 64oz, and 5-gallon containers, as well as portion packs.
3. Bespoke Fermentation Development: Custom fermentation product development services for restaurant chefs and commercial partners. Services include kitchen-exclusive development and commercial product development with custom pricing based on scope and production requirements.

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

San-J International brews and sells premium Japanese Tamari Soy Sauce using traditional koji fermentation with 100% soybeans and no wheat, alongside No Soy Tamari (a pea-based, allergen-free alternative), flavored Tamari Splash sauces, Organic Shoyu, a line of gluten-free Asian Cooking Sauces (Teriyaki, Thai Peanut, Szechuan, Sweet & Tangy, Orange, Mongolian, Hoisin, Korean BBQ), White Miso Soup Mix, and koji-based Premium Granola. Products are produced at the Henrico, Virginia facility and distributed across consumer retail (Amazon, Premium Store, grocery retail) and foodservice/bulk (Foodservice Express, direct sales) channels in the U.S. and Canada.

Product overview

San-J International, Inc. is a Japanese soy sauce and Asian food products company offering a portfolio of fermentation-based sauces and foods. The core product line centers on Tamari Soy Sauce (brewed with 100% soybeans, no wheat), available in regular, reduced sodium, and organic varieties, as well as Tamari Splash flavored variations (Umami, Sweet, Citrus). Additional products include Organic Shoyu (traditional soy sauce with wheat), No Soy Tamari (soy-free alternative brewed with peas), a comprehensive line of Asian Cooking Sauces (Teriyaki, Teriyaki Lite, Thai Peanut, Szechuan, Sweet & Tangy, Orange, Mongolian, Hoisin, Korean BBQ), White Miso Soup Mix, and Premium Koji Granola. The company serves both retail/consumers and food service/bulk buyers, with products certified gluten-free, organic, non-GMO verified, kosher, vegan, and FODMAP friendly.

Differentiator

Problem solved

Functional benefit

Brands

• Tamari Splash: A flavored sauce line combining San-J Tamari Soy Sauce with distinct flavors like Umami, Sweet, and Citrus. Contains about 55-70% less sodium than typical soy sauce.
• TAMARIMANIAC

Products and services

• Tamari Soy Sauce (Original, Reduced Sodium, and Organic Variants) Premium Japanese Tamari Soy Sauce brewed with 100% soybeans and no wheat, offering about 30% more umami than typical soy sauces; certified gluten-free, Non-GMO Project verified, vegan, kosher, and FODMAP friendly. Sold to home consumers and foodservice operators in multiple sodium-reduced and organic variants.
• No Soy Tamari Soy sauce alternative made without soy or other major allergens, brewed with peas and pea protein using traditional Japanese fermentation methods; contains 18 amino acids including all nine essential; certified gluten-free, vegan, kosher, FODMAP friendly, and Non-GMO Project verified. Targeted at consumers with soy allergies or multiple allergen restrictions.
• Tamari Splash (Umami, Sweet, Citrus) Flavored Tamari sauces combining San-J Tamari with distinct flavor profiles (Umami with red miso/black garlic/tomato, Sweet with maple/brown rice syrup, Citrus with lemon/mandarin/yuzu); 55–70% less sodium than standard Tamari, certified organic, gluten-free, vegan, kosher, FODMAP friendly, and Non-GMO Project verified. Citrus Tamari Splash was recognized in the 2025 Men's Health Food Awards.
• Organic Shoyu Soy Sauce Traditional Japanese soy sauce (Shoyu) made with a balanced blend of soybeans and wheat, fermented up to six months with no artificial preservatives, flavors, or colors; certified organic, vegan, Non-GMO Project verified, kosher, and FODMAP friendly.
• Asian Cooking Sauces (Teriyaki, Teriyaki Lite, Thai Peanut, Szechuan, Sweet & Tangy, Orange, Mongolian, Hoisin, Korean BBQ) Comprehensive line of gluten-free Asian cooking sauces built on signature Tamari for use in stir-fries, marinades, glazes, dipping, and soups; each SKU is tailored to a specific cuisine (Teriyaki, Thai Peanut, Szechuan, Sweet & Tangy, Orange, Mongolian, Hoisin, Korean BBQ), with Teriyaki Lite offering 50% less sodium and select sauces (Szechuan, Thai Peanut, Teriyaki, Teriyaki Lite, Hoisin, Mongolian) FODMAP Friendly certified.
• White Miso Soup Mix Gluten-free single-serving miso soup mix combining white and red miso with savory tofu and scallions; restaurant-quality miso soup with just 8oz of hot water; contains soy and fish ingredients.
• Premium Koji Granola (Original, Matcha, Cocoa) Premium granola crafted using traditional Japanese koji (fermented grain) fermentation techniques; available in Original, Matcha, and Cocoa varieties; soy-free and gluten-free, extending San-J's koji-fermentation expertise beyond sauces into breakfast and snack foods.
• Bespoke Fermentation Development Service Custom fermentation product development service that partners with chefs and commercial operators to create unique sauces, seasonings, and flavor bases using San-J's 220+ year koji and traditional fermentation expertise; offered as kitchen-exclusive development or commercial product development with custom pricing based on scope and production requirements.

Quantifiable outcome

• About 30% more umami than typical soy sauces due to higher concentration of soy protein
• +2 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Yamasa Corporation (Parent Company)coreOthers · 1 January 1804San-Jirushi (the original company) established in 1804 in Mie, Japan. The Sato family continues to own and operate the business. San-J in the U.S. blends some products with sauces from the parent company in Japan when necessary, maintaining quality and supply consistency.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Kikkoman: Kikkoman is the world's largest soy sauce manufacturer with a major U.S. headquarters and dominant foodservice distribution; it is the most direct competitive counterpart to San-J in soy sauce category leadership.
• Eden Foods: Eden Foods produces organic, traditionally brewed Japanese tamari and shoyu distributed through natural-foods channels; it directly competes with San-J on certified-organic, gluten-free tamari SKUs.
• Yamasa Corporation: Yamasa is a long-established Japanese soy sauce and seasoning producer with overlapping fermentation heritage; it serves as a comparable Japanese-brewed sauce peer and is referenced in San-J's partnership data.
• Lee Kum Kee: Lee Kum Kee is a global Chinese sauce leader with a deep U.S. retail and foodservice presence; it competes with San-J in the Asian cooking-sauce category (teriyaki, hoisin, stir-fry) on shelf and in foodservice.
• Soy Vay: Soy Vay is a U.S. Asian-sauce brand sold in mainstream grocery with comparable teriyaki and Asian cooking-sauce SKUs; it competes with San-J's Asian cooking sauces for the same retail shelf set.
• Wan Ja Shan: Wan Ja Shan produces organic, gluten-free tamari and Asian sauces positioned in natural-foods channels; it is a direct competitor to San-J's certified-organic, gluten-free tamari franchise.
• Roland Foods: Roland Foods is a specialty importer and foodservice supplier offering Asian cooking sauces and tamari-style products to restaurants and institutions, comparable to San-J's bulk foodservice book of business.

Broad incumbents

• Mizkan: Mizkan is a large Japanese condiment producer with a broad portfolio across soy sauce, vinegars, and Asian sauces (including the KIKKOMONTA-family products via its Mizkan Americas business); it competes broadly with San-J across multiple sauce aisles.

Emerging players

• Coconut Secret (Coconut Aminos): Coconut Secret's Coconut Aminos is a soy-free, lower-glycemic umami alternative sold in natural and mainstream channels; it competes with San-J's No Soy Tamari for allergen-free umami positioning.
• Bragg Live Food Products: Bragg sells Liquid Aminos and other soy-based umami seasonings to natural-foods shoppers; it overlaps with San-J's premium, clean-label positioning and competes for the same allergen-conscious consumer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/SanJTamari
• LinkedInlinkedin.com/company/san-j
• Instagraminstagram.com/sanjtamari
• Pinterestpinterest.com/sanjtamari

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about San-J International, Inc.