WHO WE ARE

Quarto delivers comprehensive, sustainable energy and water management solutions tailored to each client’s needs. With over 20 years of expertise, the company provides innovative services that enhance efficiency, profitability, and compliance with the highest safety and environmental standards.
As a channel partner of Veolia Water Technologies & Solutions and a partner of NIRA (a subsidiary of SUN – Sinar Mas Mining), Quarto leverages world-class technology and resources to deliver top-tier solutions.
The company’s ISO 9001:2015, 14001:2015 and 45001:2018 certifications reflect its commitment to quality, environmental responsibility, and occupational safety, supporting industries such as oil and gas, chemical processing, mining, and power generation across Indonesia.
Our Industry Specialization

POWER PLANT
Quarto supports the power plant industry by providing advanced
water treatment solutions, including boiler and cooling water treatment, reverse osmosis, and wastewater management, to enhance operational efficiency, system longevity, and environmental sustainability while minimizing downtime and maximizing energy efficiency.

OIL & GAS
Quarto provides the oil and gas industry with efficient water treatment,
chemical solutions, and solid-liquid separation technologies, ensuring safe operations, regulatory compliance, and enhanced equipment reliability while minimizing environmental risks.

CHEMICAL INDUSTRY
Quarto provides the chemical industry with
specialized water treatment solutions, including reverse osmosis chemicals, filtration technologies, and chemical dosing systems, ensuring efficient operations, optimized resource use, and environmental sustainability.

MINING
Quarto provides tailored water management
solutions for the mining industry, including coal treatment chemicals, wastewater treatment, and industrial cleaning services, to enhance safety, efficiency, and environmental sustainability.
ONE STOP SOLUTIONS
Quarto offers one-stop energy and water management solutions, providing specialized chemicals, advanced equipment, and comprehensive services to ensure efficiency, reliability, and sustainability across industries.
CHEMICAL
- Commodity Chemicals
- Specialty Chemicals
EQUIPMENT
- Custom-designed and tailored to your needs
- Water Treatment Systems
- Waste Water Treatment Systems
- Mobile Equipment/Systems
SERVICES
- Operations & Maintenance
- Water Management Services
- Technical Audit/Survey
- Technical Consultation
- Technical Training
WHAT WE OFFER

Pretreatment

Clarification
Services (WMS)● pH Adjustment● Flocculants● Coagulants● Filter Aids

Boiler
services● Analytical services● Chemical dosing system● Hydrotest services● Oxygen Scavengers● Corrosion Inhibitors● pH Adjustment● Internal Treatments● Slag control

Cooling Towers

Coal Treatment

Water Treatment
Services (WMS)● Chemical dosing systems● pH adjustment● Flocculants● Coagulants● Filter Aids● Analytical Services● Metals removal
Quarto provides comprehensive energy and water management solutions for various industries, offering specialized chemicals, advanced equipment, and O&M services tailored to each client’s needs. Through cutting-edge technology, strong industry partnerships, and innovative solutions, we help businesses achieve sustainable efficiency, regulatory compliance, and long-term operational excellence.
Quarto is your reliable partner for industrial energy and water management solutions
Experience & Technical Services
Quality Products & Services
Sustainability
Collaboration
Credibility
Fast, Resourceful & Constructive Communication
Cost Competitiveness
we have delivered
Operations & Maintenance Service
we have produced
Demineralized Water
we have contribute
Electricity
LATEST NEWS
"Our customers' success stories"
Quarto telah menyediakan layanan Operasi & Pemeliharaan (O&M) yang komprehensif untuk unit 1, 2, 3, dan 3A PLTU Cilacap, khususnya dalam pengolahan air dan air limbah. Solusi O&M terpadu mereka mencakup tenaga kerja, penyediaan bahan kimia, konsumabel, suku cadang, serta layanan operasional Balance of Plant (BOP), termasuk pemeliharaan preventif dan prediktif harian, perbaikan, penggantian komponen, serta overhaul minor dan major. Berkat kontribusi Quarto, ketersediaan dan keandalan operasional pembangkit listrik tetap tinggi, mencegah gangguan teknis dan finansial terkait kualitas, kapasitas, dan pemanfaatan air dalam proses pembangkitan listrik.
Hasilnya, operasional pembangkit listrik berjalan lancar dan efisien. Kami sangat puas dengan nilai yang telah diberikan oleh Quarto melalui program O&M mereka, serta mengakui efektivitas evaluasi dan proses tinjauan berkelanjutan mereka dalam menjaga keunggulan operasional. Dan juga dalam melakukan pekerjaan Quarto juga sangat memperhatikan aspek Lingkungan dan K3, sehingga O&M yang ditawarkan sangat komprehensif. Saya berharap Quarto terus mampu mempertahankan kinerja yg ada untuk kemandirian Indonesia dibidang Supporting Energi terutama di PLTU.
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Quarto has provided comprehensive Operation & Maintenance (O&M) services for Units 1, 2, 3, and 3A of PLTU Cilacap, particularly in water and wastewater treatment. Their integrated O&M solutions encompassed manpower, supply of chemicals, consumables, spare parts, and Balance of Plant (BOP) operational services—including daily preventive and predictive maintenance, repairs, component replacements, and both minor and major overhauls—which helped maintain high operational availability and reliability, preventing technical and financial disruptions related to water quality, capacity, and utilization in the power generation process.
As a result, the power plant operated smoothly and efficiently. We are very satisfied with the value provided by Quarto through their O&M program and acknowledge the effectiveness of their evaluation and continuous review processes in maintaining operational excellence. Additionally, Quarto consistently prioritized environmental and occupational health and safety aspects, making their O&M offerings truly comprehensive. We hope that Quarto will continue to sustain its performance to support Indonesia’s energy independence, especially in the steam power plant sector.

Irvan Rahmat
PT. Energi Quarto Indonesia telah menjadi mitra PT POMI selaku Operator salah satu PLTU IPP terbesar di Indonesia, khususnya dalam memasok jasa dan juga material untuk penanganan water chemistry (Untuk boiler Supercritical dan Subcritical) dan juga di Water Treatment (pengolahan air laut menjadi air tawar dan air demin), dengan hasil yang baik dan berkelanjutan.
PT POMI terbantukan dalam hal kontinyuitas pasokan material dan kualitas layanan, sehingga PLTU bisa beroperasi dengan aman dan handal, terutama ditinjau dari aspek kualitas air untuk proses produksi listrik.
Kami berterima kasih kepada PT. Energi Quarto Indonesia, atas jasa dan layanan, serta kerjasamanya yang telah terbina selama ini. Semoga sukses selalu, PT. Energi Quarto Indonesia.
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PT. Energi Quarto Indonesia has become a partner of PT POMI, the operator of one of the largest IPP power plants in Indonesia, particularly in supplying services and materials for water chemistry management (for supercritical and subcritical boilers) and water treatment (converting seawater into freshwater and demineralized water), yielding sustainable and excellent results.
PT POMI has benefited from the continuous supply of materials and quality of services, enabling the power plant to operate safely and reliably—especially in terms of water quality for electricity production.
We extend our gratitude to PT. Energi Quarto Indonesia for the services, assistance, and long-standing cooperation. Wishing continued success to PT. Energi Quarto Indonesia.

Sugiyanto
Kami mengapresiasi kontribusi Quarto dalam menyediakan bahan kimia untuk Water Treatment Plant kami. Dengan kualitas produk yang terjaga dan layanan yang andal, Quarto membantu meningkatkan efisiensi proses pengolahan air, memastikan kualitas air yang memenuhi standar, serta mengoptimalkan biaya operasional kami. Kami berharap kerja sama yang baik ini dapat terus berlanjut untuk mencapai keberlanjutan operasional yang lebih baik di masa depan.
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We appreciate Quarto’s contribution in supplying chemicals for our Water Treatment Plant. With consistent product quality and reliable service, Quarto has helped enhance the efficiency of our water treatment processes, ensure water quality meets standards, and optimize our operational costs. We hope this strong collaboration will continue to support even greater operational sustainability in the future.

Yudatomo Tri Nugroho
Awards and Certifications
At Quarto, we are committed to industrial excellence, continuously striving to meet and exceed the highest industry standards to provide our customers with the best possible experience, knowledge, and expertise.
Our dedication is reflected in the prestigious awards and certifications we have earned, recognizing our achievements in environmental compliance, workplace health and safety, and sales and partnership performance. By upholding these rigorous standards, we ensure that our solutions not only drive operational efficiency but also align with sustainability goals and industry best practices.
Through continuous improvement and innovation, Quarto remains a trusted leader in delivering safe, compliant, and high-quality industrial solutions for our valued customers.
Certifications




Awards
2024 Indonesian Electricity Award
The Most Innovative Company 2021 – PT. S2P
Outstanding Growth Award 2024
The Best New Channel Partner Veolia Water 2023
Our Customers
Quarto extends its heartfelt gratitude to all our customers for trusting us as their partner in innovative energy and water management solutions. Serving diverse industries such as oil & gas, power plants, mining, and chemical processing, we are committed to deeply understanding each client’s unique needs and priorities.
By immersing ourselves in their challenges, we deliver tailored solutions that uphold the values of sustainable energy and water management, environmental sustainability and compliance, and workplace safety.
Our dedication to excellence ensures that we continue providing industry-leading solutions that drive efficiency, reliability, and long-term success for our valued partners.




























