Radar · Oil & Gas Downstream in Japan
Best Oil & Gas Downstream Companies in Japan
The 41 best Oil & Gas Downstream companies in Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals.
By Rohit KhannaTrends & Stories
41companies tracked
$0disclosed funding
0unicorns
—have raised
Sources & further reading
- futuremarketinsights.com
Ranked: Best Oil & Gas Downstream companies in Japan
| # | Company | Disclosed funding | Stage | Employees | Founded | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | MOECO Provider of crude oil & natural gas exploration, project, and development services | — | Unfunded | — | 1969 | NginxAmazon Web ServicesMicrosoft 365+3 | Top 10M | — | — |
| 2 | Osaka Gas Liquid Provider of industrial gases, cryogenic processing, and powder processing services | — | Unfunded | — | 1991 | Apache HTTP ServerAmazon Web ServicesMatomo Analytics+10 | Top 10M | — | — |
| 3 | Sinanengroup Provider of integrated energy, housing, and lifestyle services | — | Unfunded | 3,237 | — | SentryNode.jsTypeScript+18 | Top 5M | — | — |
| 4 | Nichigas LPG distribution company | — | Public | 2,031 | 1964 | Apple iCloud MailGoogle WorkspaceNode.js+19 | Top 500k | — | — |
| 5 | BP Castrol BP Castrol KK engages in the development, manufacture, import, and sale of automotive lubricating oil in… | — | Public | 109 | 1971 | — | — | — | — |
| 6 | Cosmo Energy Development Petrochemical company | — | Public | 283 | 2014 | Apple iCloud MailPHPGoogle Maps+10 | Top 1M | — | — |
| 7 | Daimaru Enawin Water and natural gas retailing company | — | Public | 673 | 1951 | NginxAmazon Web ServicesCloudflare+5 | Top 5M | — | — |
| 8 | Fuji Kosan Distributor of kerosene, fuel oil & asphalt | — | Public | 253 | 1949 | PHPYouTubeBootstrap+9 | Top 5M | — | — |
Top 1 Oil & Gas Downstream companies in Japan
#1
Public · Shibuya, Tokyo · founded 1964 · 2031 employees—raised▾
Public · Shibuya, Tokyo · founded 1964 · 2031 employees
LPG distribution company
Founders & team
Investors
One Equity Partners
Tech stack
Ad EbisAmazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesApache Http Server
Funding & investor landscape
$0total disclosed funding
0companies funded
0disclosed rounds
0rounds last 90 days
Most active investors
Murakami Fund1 rounds
Prism market signals · Japan · country-scoped Prism corpus, 122,481 docs
Market landscape — 10 sub-themes by coverage
Share of Oil & Gas Downstream coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
How many Oil & Gas Downstream companies are there in Japan?
Radar tracks 41 indexable Oil & Gas Downstream companies headquartered in Japan that meet our profile-completeness bar.
What is the total funding raised by Oil & Gas Downstream companies in Japan?
The Oil & Gas Downstream companies in Japan on this list have raised a combined $0 in disclosed equity funding across 0 funded companies.
Which is the highest-funded Oil & Gas Downstream company in Japan?
Funding figures are not yet disclosed for Oil & Gas Downstream companies in Japan.
How many Oil & Gas Downstream companies in Japan are funded?
0 of the 41 Oil & Gas Downstream companies in Japan on this list have disclosed at least one equity funding round.
How many Oil & Gas Downstream unicorns are there in Japan?
None of the Oil & Gas Downstream companies in Japan on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Japan Oil & Gas Downstream companies?
The most active investors in Japan Oil & Gas Downstream companies on this list include Japan Asia Investment, Mubadala, Murakami Fund, One Equity Partners.
Rohit KhannaTrends & Stories
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.