Otaki Gas
Otaki Gas is a privately held Japanese regional gas utility founded in 1956, supplying city gas, LP gas, compressed natural gas, and electricity to residential and commercial customers across Chiba Prefecture, with active decarbonization and municipal energy-transition partnerships.
- Company typePrivate
- Founded1956
- HeadquartersMobara, Japan
- Headcount251–500
- GTM typeB2C
- OfferingServices
What Otaki Gas does
Otaki Gas (大多喜ガス株式会社) is a privately held Japanese regional energy utility founded in 1956 and headquartered in Mobara, Chiba Prefecture. The company manufactures and supplies compressed natural gas and appliances and operates across four core product lines: city gas (都市ガス), LP gas (LPガス), compressed natural gas (CNG) for vehicle fuel and industrial applications, and retail electricity under the Otaki Gas Electricity brand (entered via power operations in 2015 and electricity retail registration in 2018). Its underlying infrastructure centers on a city gas pipeline network in Chiba Prefecture, with vertical integration via its wholly-owned subsidiary Nananaha Pipeline Co., Ltd. (established May 2018). Service coverage spans the Mobara, Otaki, Chiba-Ichihara, Yachiyo, and Narutou areas of Chiba Prefecture, serving both residential (primary) and commercial/industrial customers across horizontal segments.
The business model is built on subscription/recurring revenue from utility billing for gas and electricity, supplemented by appliance sales, equipment installation, and maintenance through a network of service shops, the Showroom BeE (Chiba City), and the Brume equipment experience salon. Customer-facing digital touchpoints include the My Otaki Gas (マイ大多喜ガス) account management portal and the Otaki Gas Fan community site. Pricing is not publicly disclosed and is subject to Japanese utility regulatory frameworks and government subsidy programs. Distribution is sales-led and physical-channel-heavy, with multi-channel marketing through SNS (X, YouTube, Instagram, Facebook), community events, and disaster-preparedness events (まなぼう祭).
Strategically, Otaki Gas has repositioned around decarbonization and regional energy partnerships, signing comprehensive cooperation agreements with Otaki Town (Nov 2023), Yachiyo City and Tokyo Gas (2022, extended Jan 2026), Tokyo Gas Network for disaster response (Jan 2026), and Chonan Town for forest conservation (Mar 2026). The company has introduced Carbon Neutral City Gas and a locally-produced-and-consumed natural gas initiative (千産千消天然ガス), and was awarded a five-star (perfect score) METI rating in the 2025 Energy Conservation Communication Ranking System. The company has no disclosed parent, no institutional investors identified in the source data, and disclosed a Gas Business Act violation on March 25, 2025 alongside multiple supply-area change permits (2017, 2022, 2023) reflecting active regulatory engagement with its service territory.
Otaki Gas firmographics
Firmographics- Name
- Otaki Gas
- Legal name
- 大多喜ガス株式会社
- Website
- https://otakigas.co.jp
- Company type
- Private
- Founded year
- 1956
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Otaki Gas is a privately held Japanese regional gas utility founded in 1956, supplying city gas, LP gas, compressed natural gas, and electricity to residential and commercial customers across Chiba Prefecture, with active decarbonization and municipal energy-transition partnerships.
- Ownership category
- akta.pro rank
Otaki Gas industry classification
Industry- Product category
- Natural Gas Utility Services
- NAICS
- Natural Gas Distribution (22121), Natural Gas Distribution (2212)
- SIC
- Natural Gas Distribution (4924), Electric, Gas & Sanitary Services (4900)
- akta.pro primary industry
- Municipal & Public Gas Utility Sales (EUAAADAE)
- akta.pro secondary industries
- Residential Natural Gas Sales & Customer Growth (EUAAADAD), Industrial CNG/LNG Supply & Distribution (Virtual Pipelines, Trucking, Satellite Storage) (EUALALAA), Station & Facility Maintenance (Gate Stations, Town Border Stations, Utility Buildings) (EUAJAMAG)
Keywords
Where Otaki Gas is headquartered
LocationHeadquarters
- HQ city
- Mobara
- HQ country
- Japan
- HQ region
- Asia
Offices3 records
Markets served
Otaki Gas business model
Business model- GTM type
- B2C
- Offering type
- Services
Revenue model
- City Gas Supply: Supply of city gas to residential and commercial customers in Chiba Prefecture
- LP Gas Supply: LP gas (liquefied petroleum gas) supply services
- Electricity Services: Retail electricity services under the Otaki Gas electricity brand
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Otaki Gas product offering
Product offeringCore offering
Otaki Gas supplies city gas (natural gas) and LP gas to residential, commercial, and industrial customers, primarily across Chiba Prefecture in Japan. The company also retails electricity, sells compressed natural gas (CNG), and distributes residential gas appliances including the Ene Farm fuel cell co-generation system. The business is anchored in gas distribution infrastructure supplemented by electricity retail and appliance sales.
Product overview
Otaki Gas (大多喜ガス株式会社) is a regional energy utility providing city gas, LP gas, compressed natural gas, and electricity services to residential, commercial, and industrial customers primarily in Chiba Prefecture, Japan. The company's core offering is city gas supply, complemented by LP gas and CNG services for areas outside city gas coverage. The Otaki Gas Electricity service extends their energy portfolio to dual-fuel (gas and electricity) customers. Key customer-facing platforms include My Otaki Gas for account management and usage visualization, and the Otaki Gas Fan Site for product information and events. The company also sells and supports gas equipment including Ene Farm fuel cell systems, operates showrooms (BeE and Brume), and maintains a network of service shops. Additional services include carbon-neutral gas options and local natural gas initiatives.
Differentiator
Problem solved
Functional benefit
Brands
- ショールームBeE (Showroom BeE): Company showroom located in Chiba City Green Ward (千葉市緑区おゆみ野3-12-1), offering gas equipment experience and customer services
- Brume (ブルーム)
- 大多喜ガスFan
Products and services
- City Gas Natural gas utility supply delivered via pipeline to households, businesses, and industrial users primarily in Chiba Prefecture, Japan.
- LP Gas (Liquefied Petroleum Gas) Propane / LP gas distribution for residential and commercial customers, particularly in areas outside the city gas pipeline network.
- Compressed Natural Gas (CNG) Compressed natural gas supply for vehicle fueling and industrial use.
- Otaki Gas Electricity Retail electricity service offered to residential and commercial customers, typically bundled with gas utility supply.
- Ene Farm (Residential Fuel Cell System) Residential fuel cell co-generation system sold and installed by Otaki Gas, producing both electricity and hot water for households using city gas.
Companies that use Otaki Gas
Customer profileSegments2 records
Otaki Gas technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Otaki Gas partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered minor and core.
- Chonan Town (長南町)minorPartnership for forest conservation and forest activity initiatives around Mt. Sannai Dam
- Yachiyo City (八千代市)corePartnership for carbon-neutral city initiatives and comprehensive cooperation agreement for regional decarbonization
- Tokyo Gas Network Co., Ltd. (東京ガスネットワーク株式会社)coreCooperation agreement for large-scale disaster response and mutual support during emergencies
- Moori City (茂原市)coreCooperation agreement for large-scale disaster response with Moori City
- Otaki Town (大多喜町)coreComprehensive partnership agreement for decarbonization of town planning with Otaki Town
- Tokyo Gas Co., Ltd. (東京ガス)coreComprehensive cooperation agreement for carbon-neutral city initiatives with Yachiyo City and Tokyo Gas
Scale indicators1 record
Recent moves8 records
Expansion highlights5 records
Otaki Gas competitors and assessment
Company assessmentRegional players
- Hiroshima Gas: Regional city gas utility in the Chugoku region. Same Japanese gas-utility regulatory and product structure as Otaki Gas, serving a different geography.
- Shizuoka Gas: Regional Japanese gas utility with city gas, LP gas, and electricity operations. Similar mid-sized multi-utility profile, though serving Shizuoka Prefecture.
- Toho Gas: Regional city gas utility serving Aichi/Gifu/Mie. Closely comparable scale, business model, and product breadth (city gas, LPG, electricity) to Otaki Gas, but operating in a different geography.
- Saibu Gas: Regional city and LP gas utility serving Kyushu. Directly comparable multi-product gas-and-electricity retail model to Otaki Gas at similar scale.
- Hokkaido Gas: Regional Japanese gas utility with integrated gas and electricity retail. Comparable mid-cap utility profile to Otaki Gas and similarly exposed to local demographic and energy-transition dynamics.
Broad incumbents
- Osaka Gas: Second-largest Japanese city gas operator with integrated gas, electricity, and LNG businesses. Comparable multi-utility model and product mix, serving Kansai rather than Kanto.
- Tokyo Gas: Japan's largest city gas utility and an existing strategic partner of Otaki Gas. Comparable product set (city gas, LP gas, electricity, hydrogen pilots) but vastly larger scale and nationwide reach.
- ENEOS: Major Japanese energy conglomerate with city gas, LP gas, and electricity retail operations. Overlaps with Otaki Gas in CNG/LP gas supply and retail electricity, with much broader scale and product portfolio.
Direct peers
- Nippon Gas: Japan's largest LP gas retailer, overlapping with Otaki Gas's LP gas business. Comparable retail energy distribution model though focused on bottled LP rather than city pipeline gas.
- Keiyo Gas: Regional city gas utility operating in Chiba Prefecture, directly overlapping with Otaki Gas's core service territory. Closest head-to-head competitor for residential and commercial gas customers in the same geography.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Otaki Gas social profiles
Digital presenceOtaki Gas financial estimates
Financial estimateRevenue estimate
Valuation estimate
Otaki Gas leadership team
Management profileNumber of profiles
Otaki Gas subsidiaries and ownership
Company hierarchySubsidiaries1 record
Otaki Gas funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Otaki Gas M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Otaki Gas
What does Otaki Gas do?
Otaki Gas supplies city gas (natural gas) and LP gas to residential, commercial, and industrial customers, primarily across Chiba Prefecture in Japan. The company also retails electricity, sells compressed natural gas (CNG), and distributes residential gas appliances including the Ene Farm fuel cell co-generation system. The business is anchored in gas distribution infrastructure supplemented by electricity retail and appliance sales.
Is Otaki Gas a public or private company?
Otaki Gas is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Otaki Gas founded?
Otaki Gas was founded in 1956. It employs 251 to 500 people.
Where is Otaki Gas based?
Otaki Gas is headquartered in Mobara, Japan, in the Asia region.
How does Otaki Gas make money?
Three revenue lines are on record. City Gas Supply is the primary driver. The others are LP Gas Supply and electricity Services.
Who are Otaki Gas's main competitors?
Regional players on record are Hiroshima Gas, Shizuoka Gas, Toho Gas, Saibu Gas and Hokkaido Gas. Broad incumbents are Osaka Gas, Tokyo Gas and ENEOS. Direct peers are Nippon Gas and Keiyo Gas.
Does Otaki Gas have an API?
No public API is recorded for Otaki Gas.
What industry is Otaki Gas in?
Otaki Gas's product category is Natural Gas Utility Services. Its primary akta.pro industry code is EUAAADAE, Municipal & Public Gas Utility Sales, with a secondary code of EUAAADAD, Residential Natural Gas Sales & Customer Growth. Its NAICS code is 22121 and its SIC code is 4924.