Kikkoman Fires Up Third US Soy Sauce Plant After a Decade-Long, ¥87 Billion Investment

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The story

Kikkoman’s third soy sauce plant in the US, built in Wisconsin, has begun full-scale operations, with a commemorative ceremony held on the 18th. Shipments of bottled products will start in October, and in its first year the plant will produce 4,000 kiloliters — equivalent to about 13 million bottles. Total investment comes to $560 million (about ¥87 billion) over 10 years. Kikkoman’s local production in the US dates back to 1973, a history spanning more than half a century, and this expansion builds on that legacy. On the forum thread, some pointed out this seems to run counter to the trend of manufacturing “returning home” to Japan, while others countered that with cheaper soybeans and land in the US, local production simply makes more economic sense — the discussion also spun off into the origins of soy sauce and how well it has taken root overseas.

[Jefferson, Wisconsin — Takeshi Kise] Kikkoman has brought its third US soy sauce plant into full operation, holding a commemorative ceremony on the 18th. Bottled product shipments will begin in October. It has been more than half a century since Kikkoman began local production in the US in 1973. With demand on the rise, the company plans to ramp up output using the new plant.

The new plant was built in Jefferson, Wisconsin, in the US Midwest. In its first year, it will produce 4,000 kiloliters, equivalent to about 13 million of the company’s mainstay bottles. Total investment, including construction, is expected to reach $560 million (about ¥87 billion) over 10 years, with further expansion also under consideration.

Kikkoman earns roughly half its revenue from North America, mainly the US. Soy sauce sales in the US market have been climbing steadily, and the company expects another 30-40% increase over the next decade. Honorary Chairman Yuzaburo Mogi declared at the ceremony on the 18th, “We will meet rising demand with the consistent quality our customers expect and a deep respect for our craftsmanship.”

Source: yomiuri.co.jp / Original article here

What people said

2AnonymousSep 19, 2026 20:10
Wait, what happened to reshoring factories back to Japan? lol
120AnonymousSep 19, 2026 20:39
Re: #2
The raw materials come from America anyway, so a US factory is even cheaper.
240AnonymousSep 19, 2026 21:04
Re: #2
With America's massive farmland, soybeans are dirt cheap there. Rather than burning fuel to ship soybeans 10,000 km across the ocean to Japan — a trip that takes about a month and a half — it's cheaper to just make the soy sauce locally in the US.

Plus America has a soybean surplus, so turning it into soy sauce means it keeps longer too.
12AnonymousSep 19, 2026 20:13
Hey Kikkoman, I bet your oolong tea would sell well too
144AnonymousSep 19, 2026 20:43
Re: #12
Hey, let it go already lol
14AnonymousSep 19, 2026 20:13
Apparently foreigners say Japan and Japanese people smell like soy sauce
121AnonymousSep 19, 2026 20:39
Re: #14
Yeah, when you come back to Japan from abroad you can really smell the soy sauce in the air
22AnonymousSep 19, 2026 20:14
Actually read the ingredients on soy sauce.
Soybeans, wheat, salt — that's all the real stuff has.

Take a close look at this company's soy sauce though.
Processed defatted soybeans (US or Canada)? Brewed vinegar? Acidifier?
Before you know it, real soy sauce has become almost impossible to find.
141AnonymousSep 19, 2026 20:42
Re: #22
Most of Kikkoman's soy sauces are defatted processed soybeans, wheat, salt, and alcohol — that's soybean meal left over after the oil's pressed, plus wheat, salt, and alcohol. Some low-sodium versions do have acidifiers added, though.
146AnonymousSep 19, 2026 20:43
Re: #22
This is a really important point
225AnonymousSep 19, 2026 21:00
Re: #22
Makes you wonder how people like this reconcile the fact that the soybeans and wheat are cultivated, breed-improved varieties too
36AnonymousSep 19, 2026 20:18
Paint it all black. Udon is too tame — let's drown hot dogs, pizza, burgers, everything, in soy sauce.
40AnonymousSep 19, 2026 20:19
Re: #36
They've already got teriyaki — everything's already drowning in soy sauce over there.
37AnonymousSep 19, 2026 20:19
Kikkoman's really become a company whose main business is overseas now… kind of moving to think about
46AnonymousSep 19, 2026 20:21
Re: #37
Soybeans and land are dirt cheap in America. Better to source materials and produce there than pay to make it in Japan and export.
39AnonymousSep 19, 2026 20:19
I knew they were #1 in Japan, but selling that much overseas too? Impressive.
158AnonymousSep 19, 2026 20:45
Re: #39
Kikkoman gets 80% of its revenue from overseas.
53AnonymousSep 19, 2026 20:22
America's a soybean powerhouse, so they shouldn't have trouble sourcing ingredients for soy sauce
73AnonymousSep 19, 2026 20:27
Re: #53
If anything, Japan imports most of its soybeans from America.

70% of Japan's soybeans come from the US, another 25% from other countries — domestically grown Japanese soybeans make up only about 5%.
60AnonymousSep 19, 2026 20:23
What's amazing about soy sauce is you basically never get sick of it
93AnonymousSep 19, 2026 20:33
Re: #60
True, it's a seasoning that just doesn't trigger that "sick of it" feeling. Salt, mayo, ketchup, pepper, whatever — eat them non-stop and eventually you want a break.
75AnonymousSep 19, 2026 20:27
I wonder how much it's actually caught on over there. Or is it just one of those mystery condiments sitting in the fridge, used once, never finished, eventually tossed?
79AnonymousSep 19, 2026 20:30
Re: #75
It's really caught on. The North American market now outsells Japan, and overseas sales overall make up more than 60% of the total.
94AnonymousSep 19, 2026 20:33
It's really that big overseas? I never pictured foreigners using soy sauce for anything besides sushi.
101AnonymousSep 19, 2026 20:34
Re: #94
They probably use it for grilling meat, right? Those guys eat insane amounts of meat.
110AnonymousSep 19, 2026 20:36
Re: #94
There's a soy-teriyaki sauce called Yoshida's Sauce that sells like crazy over there.
98AnonymousSep 19, 2026 20:34
If anything, it's teriyaki sauce that spread soy sauce in the first place. Even calling it "teriyaki sauce," apparently when Japanese people taste it they go "what even is this." Though Kikkoman's version might actually be decent.
102AnonymousSep 19, 2026 20:34
Re: #98
I bet Kyushu-style soy sauce would actually catch on in America. It's sweet, salty, and rich — right up their alley.
104AnonymousSep 19, 2026 20:35
People criticize China for copying matcha, but without that we'd probably have green tea priced as some luxury good by now. That was close. Guess China's useful once in a while.
132AnonymousSep 19, 2026 20:41
Re: #104
Soy sauce actually originated in China, but it gets sold as if it were Japanese — so it evens out, really.
138AnonymousSep 19, 2026 20:42
Soy sauce unfortunately originated in China. If you want to show off Japanese culture, it should be miso instead.
164AnonymousSep 19, 2026 20:46
Re: #138
Didn't you know soy sauce was born out of miso?
209AnonymousSep 19, 2026 20:57
Re: #138
I asked an AI and it said both miso and soy sauce came from China. Natto's the one that actually originated in Japan.
189AnonymousSep 19, 2026 20:52
Chinese soy sauce might technically be the origin, but it's a totally different thing from Japanese soy sauce. It's basically used during cooking, rarely poured over a finished dish. When it comes to drizzling it on food, I doubt Chinese people would want to copy the Japanese way anyway.
206AnonymousSep 19, 2026 20:57
Re: #189
Apparently ordinary Chinese people were already eating egg-and-chive stir-fry before the common era, and sweet-and-sour pork by the 4th century.
208AnonymousSep 19, 2026 20:57
Re: #189
I recall trying to use it the same way as Japanese soy sauce and it tasted awful. Makes sense if it's meant strictly for cooking.
223AnonymousSep 19, 2026 21:00
I don't really picture Americans using soy sauce, mirin, vinegar, or bonito flakes
232AnonymousSep 19, 2026 21:02
Re: #223
They just buy pre-mixed factory teriyaki sauce these days. About the only people buying plain soy sauce are cooking nerds. Plenty of Japanese people have only ever bought mentsuyu or dashi soy sauce too, same deal.
246AnonymousSep 19, 2026 21:06
Re: #223
If it goes with BBQ, they'll use anything. By the way, Yamasa's expanded into America too — proof that Japanese soy sauce culture has really soaked into American culture.

Background and Talking Points

Kikkoman’s overseas production dates back to 1973 in the US, so this third plant isn’t a new market entry but an expansion of roughly 50 years of local manufacturing. With overseas sales said to account for around 80% of the company’s revenue, this investment runs counter to the broader trend of manufacturing “returning home” to Japan. That’s exactly where the thread split: against the claim that this goes against reshoring, many countered that since the soybeans themselves are mostly sourced from the US anyway, local production makes more sense once you factor in shipping costs. Worth keeping in mind as background: Japan’s soybean self-sufficiency rate is under 10%, with the bulk of supply imported from the US. The other major thread of debate was soy sauce’s origin — one camp traces it to China, the other argues Japan’s own fermentation techniques turned it into something distinct, and neither side settled it. The point that teriyaki sauce helped soy sauce take root in the US is arguably another example of this kind of “diverging into something different” through flavor changes.

※This article is compiled and summarized from the 5ch (News Express+) thread “Kikkoman brings its third US soy sauce plant into full operation — “becoming America’s national condiment”“.

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