Engineering · Procurement · Construction Management

Engineering, procured and managed.

ออกแบบ จัดซื้อจัดจ้าง และบริหารงานก่อสร้าง สำหรับโรงงานในภาคตะวันออก

We design the work, buy the equipment and services on your behalf, and manage the contractors who build it, through commissioning and into maintenance.

Request a site survey →
ModelEPCM: we act for the owner, not as the builder
RegionRayong and Chonburi, Eastern Economic Corridor
SectorsMetal parts, plastic injection, machinery, data centres
LeadLicensed mechanical engineer, 20+ years in CAPEX projects
Services

Six services. One contract each.

Every job has its own quotation, purchase order and invoice, so you buy only what you need.

Design

Engineering design

งานออกแบบวิศวกรรม

Mechanical, piping and utility design packages: survey, concept, drawings, calculations and BOQ, signed and issued for construction.

Fixed fee by milestone
Inspect

Consult and inspection

ให้คำปรึกษาและตรวจสอบ

Thermography, vibration, compressed-air leaks, utilities and safety checks, ending in a report with a costed action list.

Fee per inspection
Procure

Procurement and trading

จัดซื้อและจัดหาอุปกรณ์

Equipment, instruments and spare parts sourced against your specification, checked on receipt and delivered with warranty.

Margin per order
Build

Construction management

บริหารงานก่อสร้างและติดตั้ง

Contractors planned, supervised and checked on site: permits, daily reports, testing, commissioning and handover.

Progress payments
Maintain

Preventive maintenance

บำรุงรักษาเชิงป้องกัน

Asset survey, PM plan and monthly visits, with defect reports and a monthly availability report.

Monthly fee
Staff

Manpower supply

จัดส่งช่างและบุคลากรเทคนิค

Thai technicians and engineers employed by ATEXSO, placed at your site for a fixed contract period.

Monthly fee per person
Approach

What the name stands for.

AT.

Attentive to needs

We start from what you need and what it costs you today, in your words.

ใส่ใจทุกความต้องการ

EX.

Expert in execution

Drawings to code, contractors on a permit, and progress you can check every day.

เชี่ยวชาญการลงมือทำ

SO.

Focused on solutions

Each job ends with a measured result: uptime, cost or a closed punch list.

มุ่งสู่ทางออกที่วัดผลได้

Process

From first call to invoice.

The same six steps for every service.

  1. RequestYou describe the problem or the project.Need, site data
  2. SurveyWe visit and measure before we price.Survey notes
  3. QuoteScope, price, schedule and payment terms.Quotation
  4. OrderNo work starts before your PO.Purchase order
  5. DeliverWork done, tested and reported.Report, handover
  6. InvoiceBilled against your PO number.Invoice, receipt
About

Built on plant experience.

ATEXSO is led by a licensed mechanical engineer with more than 20 years in mechanical design, piping engineering and CAPEX project management.

CompanyATEXSO Co., Ltd. · บริษัท เอเท็กซ์โซ จำกัด
FounderPrasert Sawatdon
DisciplineMechanical, piping, utilities, fire protection, power backup
StatusCompany registration in progress, 2026
Contact

Request a site survey.

Office

88/7 Moo 6, Tab Ma,
Mueang Rayong, Rayong

88/7 หมู่ที่ 6 ตำบลทับมา อำเภอเมืองระยอง จังหวัดระยอง

PhoneAdded after registration
EmailAdded after registration