PT Marunda Grahamineral

What PT Marunda Grahamineral does

PT Marunda Grahamineral (trading as "mgmcoal") is a privately held Indonesian coal producer headquartered at Jl. H. Agus Salim No. 65, Jakarta Pusat. The company operates open pit mining and barging logistics across three sites — Menyango, Jamut, and Bangkuang — on the island of Kalimantan. Its product portfolio is concentrated on two coal grades: semi-soft coking coal, sold primarily to steel manufacturers, and ultra-high energy thermal coal, sold primarily to power generation utilities. Both domestic Indonesian and overseas customers are served through direct B2B sales relationships, consistent with long-term supply contract structures typical of the seaborne coal trade.

Revenue is generated exclusively from coal sales under what appears to be market-indexed B2B contract pricing; no specific pricing model or contract terms are publicly disclosed. The company self-positions as a "premium" producer, supported by its receipt of Indonesian government land reclamation awards annually since 2011 for environmental stewardship including pit minimization, nursery programs, and water treatment ponds. The go-to-market motion is sales-led and direct, with no intermediary channel structure described, and marketing is limited to a corporate website and a LinkedIn presence used for recruitment.

Operationally, the company is structured as an Indonesian private limited liability company (PT, or Perusahaan Terbatas) with no disclosed parent, subsidiary, investor, or partnership relationships. No funding rounds, M&A activity, leadership appointments, regulatory actions, certifications, or customer logos are present in the available data. The 2018 copyright on the company website and absence of any dated developments since 2011 indicate limited recent public-facing activity, though the website remains live and the company continues to list career opportunities via LinkedIn.

Name

PT Marunda Grahamineral

Legal name

PT Marunda Grahamineral

Website

https://mgmcoal.com

Company type

Private

Operating status

Operating

Short description

PT Marunda Grahamineral (mgmcoal) is a privately held Indonesian coal producer operating open pit mines and barging logistics in Kalimantan. It sells semi-soft coking coal to steel manufacturers and ultra-high energy thermal coal to power generators, domestically and overseas.

Ownership category

akta.pro rank

Product category

Coal Mining

NAICS

Coal and Other Mineral and Ore Merchant Wholesalers (42352)

SIC

Bituminous Coal & Lignite Surface Mining (1221), Bituminous Coal & Lignite Mining (1220)

akta.pro primary industry

Coal Marketing & Trading (IMAKAIAK)

Keywords

• Coal mining
• Coking coal
• Thermal coal
• Open pit mining
• Barging logistics

Headquarters

HQ city

Jakarta Pusat

HQ country

Indonesia

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Infrastructure, Personnel, Others

Revenue model

1. Coal Sales: Revenue generated from mining and selling semi-soft coking coal and ultra-high energy thermal coals to domestic and overseas customers. Sales are conducted through direct B2B contracts, likely with long-term supply agreements typical of the coal industry.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

PT Marunda Grahamineral is a premium Indonesian coal producer that mines and sells semi-soft coking coal and ultra-high energy thermal coal through integrated open pit mining and barging operations at Menyango, Jamut and Bangkuang in Kalimantan. The company supplies domestic Indonesian customers and overseas markets with high-grade coal for steel manufacturing and power generation.

Product overview

PT Marunda Grahamineral (mgmcoal) operates as a coal mining and production company with a single unified product portfolio centered on premium coal products. The company produces semi-soft coking coal and ultra-high energy thermal coal as its core products, supported by integrated mining operations (open pit mining at Menyango, Jamut, and Bangkuau in Kalimantan) and barging logistics services. The products are sold to domestic and overseas customers.

Differentiator

Problem solved

Functional benefit

Products and services

• Semi-Soft Coking Coal Premium semi-soft coking coal produced by PT Marunda Grahamineral at its open pit mines in Kalimantan, Indonesia, sold to domestic and overseas industrial customers for use in steel manufacturing.
• Ultra-High Energy Thermal Coal Premium ultra-high energy thermal coal produced by PT Marunda Grahamineral at its open pit mines in Kalimantan, Indonesia, sold to domestic and overseas customers for power generation and other industrial uses.
• Barging Services Barging services provided as part of coal transportation operations from mining sites in Kalimantan, supporting delivery of coal products to domestic and overseas customers.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators1 record

Recent moves3 records

Expansion highlights2 records

Direct peers

• PT Adaro Energy Indonesia: One of Indonesia's largest coal producers, operating open-pit thermal coal mines in Kalimantan and exporting globally. Directly comparable to PT Marunda Grahamineral in terms of product (thermal coal), geography (Kalimantan), and B2B export model, though at materially larger scale.
• PT Indo Tambangraya Megah (ITMG): Indonesian coal producer focused on thermal coal exports from East Kalimantan, serving Asian power generators. Directly comparable in geography, product (thermal coal), and overseas B2B customer model.
• PT Exploitasi Energi Indonesia: Indonesian coal mining company with operations in Kalimantan, producing thermal coal for both domestic and export markets. Comparable in mid-tier scale, surface mining model, and Indonesian export orientation.
• PT Berau Coal: Indonesian thermal coal producer operating open-pit mines in East Kalimantan. Comparable in mining method, location, and end-market focus on power generation customers across Asia.
• PT Harum Energy: Indonesian coal miner with open-pit thermal coal operations in East Kalimantan and coking coal exposure. Comparable mid-tier scale, geographic location, and product portfolio to PT Marunda Grahamineral.
• PT Bukit Asam: Indonesian state-owned coal producer with surface mining operations supplying both domestic power plants and export markets. Comparable to PT Marunda Grahamineral in product mix (thermal coal), open-pit mining method, and customer base.

Broad incumbents

• Whitehaven Coal: Australian coal producer of both thermal and metallurgical coal exporting to Asian markets. Comparable in product mix (including coking coal) and Asian end-market focus, though operating in a different regulatory jurisdiction.
• Banpu Public Company: Thai-listed energy company with coal mining operations in Indonesia and Australia producing both thermal and coking coal. Comparable in Indonesian coal exposure and dual-product strategy, though larger and more diversified.

Regional players

• PT Cahaya Alam Resources: Smaller Indonesian thermal coal producer with Kalimantan operations serving domestic and regional buyers. Comparable regional peer in surface mining, thermal coal, and Indonesian B2B channel.

Emerging players

• Cokal Limited: ASX-listed coking coal developer with concessions in Kalimantan, Indonesia. Comparable in Indonesian coking coal focus and emerging-stage open-pit development, though earlier in lifecycle than PT Marunda Grahamineral.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/mgmcoal

Revenue estimate

Valuation estimate

Number of profiles

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 PT Marunda Grahamineral