What Waste Management Siam (WMS) does

Waste Management Siam Co., Ltd. (WMS) is a Thai hazardous and industrial waste management company headquartered in Bangkok with operational facilities in Chonburi and Samut Prakan. It operates the first fully licensed hazardous waste management facility in Thailand (ESBEC — Eastern Seaboard Environmental Complex), a waste-to-energy incineration plant developed jointly with the Industrial Estate Authority of Thailand (BPEC — Bangpu Environmental Complex), and a depot services subsidiary (WMSD). The company is a wholly-owned subsidiary of DOWA Eco-Systems Co., Ltd., itself part of Japan's DOWA Holdings, which supplies the proprietary Japanese treatment technology used across WMS facilities.

Name

Waste Management Siam (WMS)

Legal name

บริษัท เวสท์ แมเนจเม้นท์สยาม จำกัด (Waste Management Siam Co., Ltd.)

Website

https://wms-thailand.com

Company type

Private

Founded year

2000

Operating status

Operating

Short description

WMS provides integrated hazardous and industrial waste collection, treatment, sanitary landfill, recycling, and waste-to-energy services in Thailand, operating the country's first fully licensed hazardous waste facility under DOWA (Japan) technology.

Ownership category

akta.pro rank

Product category

Industrial Waste Management Services

NAICS

Hazardous Waste Treatment and Disposal (562211), Waste Collection (56211), Solid Waste Landfill (562212), Remediation and Other Waste Management Services (5629)

SIC

Hazardous Waste Management (4955), Refuse Systems (4953), Sanitary Services (4950)

akta.pro primary industry

Household Hazardous Waste (HHW) Collection & Program Operations (BPALAFAL)

akta.pro secondary industries

E-waste & Universal Waste Collection/Transfer (Electronics, Lamps, Batteries) (EUAIABAG), Laboratory & R&D Chemical Waste Management (BPALAHAI), Emergency Waste Packaging, Transportation & Disposal (Post-incident) (EUAIAMAH)

Keywords

• Hazardous waste management
• Industrial waste services
• Waste treatment facilities
• Waste recycling services
• Secure landfill disposal

Headquarters

HQ city

Hat Yai

HQ country

Thailand

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Infrastructure, Supply Chain, Personnel, Technology or R&D, Others

Revenue model

1. Waste Disposal Services: WMS provides hazardous and non-hazardous waste disposal services including sanitary landfill, chemical waste disposal, and industrial waste management. Revenue is generated through service contracts with industrial clients and government entities.
2. Waste Treatment Services: Treatment of industrial wastewater using biological methods (SBR), chemical waste treatment, and solid waste processing. Includes laboratory analysis services (TCLP testing) for clients.
3. Waste-to-Energy / Incineration Services: BPEC waste-to-energy plant converts hazardous and non-hazardous waste into electrical and steam energy. Services include incineration of refrigerants, air bags, hybrid batteries, contaminated containers, waste oil sludge, expired chemicals, and general waste.
4. Transportation and Container Services: WMS operates a fleet of containers and high-quality trucks with GPS tracking and CCTV for secure waste transportation. Includes manifest documentation systems and 24/7 site service capabilities.
5. E-Waste Collection and Recycling: Collection and recycling of electronic waste including air conditioners, refrigerators, and other electrical equipment. Conducted through partnerships with retail chains, universities, and government environmental offices.
6. Industrial Services: Industrial and support services for oil and gas sectors including equipment cleaning, emergency spill response, mercury contamination testing, land remediation, and diaphragm/de vacuum pump services for various liquids and sludge.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels8 records

Core offering

Waste Management Siam (WMS) provides integrated industrial and hazardous waste management services in Thailand, including collection, transportation, treatment, recycling, and secure landfill disposal. The company operates specialized facilities such as the Eastern Seaboard Environmental Complex (ESBEC), the Bangpu Environmental Complex (BPEC), and the WMS Depot (WMSD) to serve manufacturers and government clients.

Product overview

Waste Management Siam (WMS) is a comprehensive waste management services provider in Thailand, operating as a subsidiary of DOWA Holdings (Japan). The company offers a portfolio of integrated services including waste disposal, waste treatment, industrial services, transportation, and container services. The core operations are supported by two major facilities: Eastern Seaboard Environmental Complex (ESBEC) operates a modern sanitary landfill providing hazardous waste management, recycling, and wastewater treatment; and Bangpu Environmental Complex (BPEC) operates a waste-to-energy plant using Japanese technology. WMSD (WMS Depot) serves as an additional waste processing entity. Together, these entities provide complete hazardous and non-hazardous waste management from collection and transportation to disposal, treatment, recycling, and energy recovery.

Differentiator

Problem solved

Functional benefit

Brands

• ESBEC (Eastern Seaboard Environmental Complex): Industrial waste landfill facility - the first fully licensed waste management facility in Thailand, offering wastewater treatment, recycling, and hazardous waste management
• BPEC (Bangpoo Environmental Complex)
• WMSD (WMS Depot)

Products and services

• Industrial Waste Collection and Transportation Door-to-door collection and safe transport of industrial and hazardous waste from manufacturing sites, refineries, and other generators to authorized treatment and disposal facilities.
• Hazardous Waste Treatment Physical, chemical, and thermal treatment of hazardous waste streams at specialized facilities, using Japanese DOWA Eco Systems technology to stabilize contaminants prior to disposal.
• Secure Landfill Disposal Engineered secure landfill disposal for treated industrial and hazardous waste, operated under controlled environmental and safety standards.
• Waste Recycling and Recovery Recovery and recycling of usable by-products and secondary materials from industrial waste streams, reducing landfill volume and supporting circular-economy outcomes.
• Eastern Seaboard Environmental Complex (ESBEC) Flagship integrated facility on Thailand's Eastern Seaboard providing collection, treatment, recycling, and secure landfill services for the heavy industrial corridor.
• Bangpu Environmental Complex (BPEC) Secondary treatment and disposal complex serving the Bangpu/Samut Prakan industrial area with hazardous waste processing capabilities.

Quantifiable outcome

• First fully licensed hazardous waste management facility in Thailand
• +4 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• DOWA Holdings Co., Ltd. (DOWA)coreOthersDOWA Holdings Co., Ltd., a Japanese multinational corporation, is the ultimate parent company of WMS. DOWA acquired WMS and extended its waste management and recycling expertise from Japan to Thailand and Southeast Asia. DOWA is one of the most advanced waste management and recycling companies in Japan, operating across environmental management, recycling, and waste processing sectors.
• DOWA Eco Systems Co., Ltd.coreOthersDOWA Eco Systems Co., Ltd. is the subsidiary of DOWA Holdings responsible for WMS's technology and operations. ESBEC is operated by WMS under DOWA Eco-systems management. The company leverages DOWA's Japanese environmental technology for waste treatment, recycling, and disposal operations across WMS facilities in Thailand.
• Industrial Estate Authority of Thailand (IEAT / กนอ.)coreStrategic or Co-development PartnerIEAT partnered with WMS to create the Bangpu Environmental Complex (BPEC), a waste-to-energy plant project. IEAT is Thailand's government agency overseeing industrial estates, and this collaboration established a model waste-to-energy facility using Japanese technology at Bang Pu Industrial Estate in Samut Prakan Province.
• Power Buy (in Central Retail group)minorGTM or Marketing PartnerWMS partners with Power Buy, a leading electronics retailer in Central Retail group, for e-waste collection and recycling under the 'Old for New, for a Better Life' Year 3 initiative. WMS provides proper e-waste collection and disposal services for air conditioners and refrigerators collected through Power Buy stores, supporting producer responsibility compliance.
• Chulalongkorn University - Excellence Center for Hazardous Substance and Waste Management (HSO)minorStrategic or Co-development PartnerWMS works with Chulalongkorn University's HSO center on e-waste management research and proper disposal. The partnership is part of the Producer Responsibility Sandbox for air conditioners and refrigerators, where WMS provides disposal services for collected e-waste that serves as research data for sustainable e-waste management in Thailand.
• Provincial Natural Resources and Environment Offices (Buriram and Bueng Kan Provinces)minorStrategic or Co-development PartnerWMS has been selected as the official service provider for hazardous waste transportation and disposal by provincial government offices in Buriram and Bueng Kan, operating in coordination with local administrative organizations and provincial administrative organizations for community hazardous waste management initiatives.
• Thailand Greenhouse Gas Management Organization (TGO / องค์การบริหารจัดการก๊าซเรือนกระจก)minorOthersTGO is the regulatory body that certifies organizations' carbon footprint management. Both ESBEC and WMSD have received Carbon Footprint of Organization (CFO) certification from TGO, demonstrating compliance with national greenhouse gas management standards.
• Provincial and Local Administrative Organizations (Multiple Provinces)minorImplementation/ SI/ Consulting PartnerWMS collaborates with various provincial and local administrative organizations (อปท.) across Thai provinces for community hazardous waste collection, CSR projects, and environmental initiatives. WMS was selected as service provider by 94 local administrative organizations in Chonburi Province alone for hazardous waste management.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Others

• Hitachi Zosen Inova: Swiss-Japanese WtE technology provider operating the same type of grate incineration and flue gas cleaning systems WMS deploys at BPEC. Comparable in waste-to-energy technology stack.

Broad incumbents

• Veolia Environmental Services: Global environmental services leader with hazardous waste treatment, landfill, and WtE operations across Asia including Thailand-adjacent markets. Comparable integrated hazardous waste and energy recovery capabilities.
• GFL Environmental: Canada-based environmental services company offering solid waste, liquid waste, and industrial/hazardous waste management. Comparable in integrated industrial waste services and infrastructure-heavy operating model.
• Waste Management, Inc. North America's largest waste services company offering collection, transfer, landfill, recycling, and WtE. Larger and broader portfolio than WMS but operates the same integrated waste value chain model.
• Republic Services: Major US-based environmental services company offering solid waste, recycling, and hazardous/industrial waste services. Comparable integrated platform but at much larger scale.
• Suez (now Veolia merged entity): Global water and waste management operator with hazardous waste treatment and recycling operations across Asia. Comparable in hazardous waste treatment and circular economy services.

Direct peers

• Clean Harbors: North America's largest hazardous waste management company offering collection, treatment, disposal, and emergency response. Directly comparable business model to WMS's industrial hazardous waste and emergency spill response services.
• DOWA Eco Systems: Parent company of WMS and Japan's leading waste management and recycling operator. Operates the same integrated model (hazardous waste collection, treatment, recycling, WtE) using the same technology stack as WMS in Thailand.
• Stericycle: US-based regulated waste management company providing hazardous and medical waste collection, transportation, and disposal services. Comparable in regulated-waste handling, compliance-driven operations, and routing/manifest documentation.

Emerging players

• Ramky Enviro: India-based integrated waste management company with hazardous waste treatment, recycling, and WtE operations. Comparable in emerging-market hazardous waste services and integrated collection-to-disposal model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/wms_dowa
• Facebookfacebook.com/wmsdowa
• LinkedInlinkedin.com/company/waste-management-siam-wms-

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 records

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 Waste Management Siam (WMS)