SI
Sanjeewa Indika
Lead CNC Machinist
With 15 years of precision machining experience, Sanjeewa brings exceptional attention to detail and mentors the next generation of machinists at 3S.
Precision · Defense · Aerospace · Medical · Oil & Gas · Agriculture · Food Processing
Precision
Fabrication
Partner.
3S Fabrications works alongside Group Four Transducers to resolve your weighing and force measurement challenges with precision engineering, advanced fabrication capabilities, and expert craftsmanship across defense, aerospace, energy, and beyond.
30+
Years experience
7
Core capabilities
7
Industries served
Our Mission
To design, manufacture and supply high-quality force transducers and weighing systems locally and globally. We deliver innovative, timely solutions through advanced technology and R&D, while continually improving our processes, complying with regulations, and ensuring a safe, collaborative work environment.
What we do
We bring our best to make the best
Explore what makes 3S Fabrications your trusted precision partner.
Capabilities
Seven core capabilities spanning digital design, fabrication, prototyping, welding, CNC machining, surface finishing, and quality control.
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Culture
Meet the skilled professionals behind our work. Discover personal stories and the daily life at 3S Fabrications.
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About
Learn about the powerful synergy between 3S Fabrications and Group Four Transducers in solving complex challenges.
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Our Capabilities
We are precision manufacturing.
From digital design and rapid prototyping to final production with quality assurance, we have the expertise and equipment to excel on projects of any complexity.
Seven Core Capabilities
Engineering precision at every step.
01
Digital
Advanced CAD design and technical planning.
02
Fabrication
Custom fabrication of complex assemblies.
03
Prototyping
Rapid prototype development and iteration.
04
Welding & Assembly
Expert welding and precision assembly services.
05
CNC Machining
High-precision CNC and conventional machining.
06
Surface Finishing
Quality finishing, plating, and coating.
07
Testing & QC
Comprehensive testing and QC to specifications.
Industries We Serve
Trusted across critical sectors.
DefenseAerospaceEnergy
(Oil & Gas)IndustrialMedicalMarineResearch
Our Culture & Team
Our people are our greatest asset.
Meet the skilled professionals and see the daily life behind our precision work.
MB
Madumal BR
Welding & Assembly Lead
Madumal's expertise in advanced welding techniques has helped us achieve certifications across defense and aerospace industries.
MR
Maria Rodriguez
Quality Control Manager
Maria ensures every part meets our rigorous quality standards, working closely with clients to verify specifications and certifications.
Daily Life at 3S
A powerful partnership resolving weighing & force challenges.
3S Fabrications is a key division of Group Four Transducers, a trusted provider of precision measurement solutions for over three decades. Together, we offer an integrated approach: Group Four brings world-class transducers and measurement expertise, while 3S Fabrications provides the custom fabrication, integration, and assembly capabilities needed to turn complex specifications into reality.
From measurement design through final assembly, testing, and delivery — whether you need a standard weight cell or a completely custom weighing system — our combined capabilities ensure precision, quality, and reliability.
Integrated Solutions
Measurement and fabrication expertise in
one partnership.
Industry Certifications
Defense, aerospace, and medical
certifications.
Proven Track Record
Decades of experience in precision
measurement and fabrication.
Quality Commitment
Rigorous testing and quality control on
every project.
Request a Quote
Tell us about your project.
Our team will review your requirements and provide a detailed estimate, typically within 1–2 business days.
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Detailed engineering review on every request
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Custom fabrication & prototyping support
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Direct line to our production team