Procurementfor Critical Industrial Operations
Over 40 years servicing the oil and gas industry—Sigma delivers standards-aligned sourcing, expediting, and logistics with documentation built in.
SIGMA Industrial Equipment is committed to the continuous technological development through our research department in the process of opening new markets and evaluating new products.
It is our corporate obligation and will, to strive in search of constant improvement in product quality and thus, final product optimization with minimal negative environmental impact.
Trusted by
Full-service procurement for the heavy industry
From research to delivery, we handle the complete procurement cycle with documentation discipline.
Research & Analysis
Data collection and analysis for proper implementation of industrial equipment needs.
Engineering Support
State-of-the-art technology application to guarantee higher yield and efficiency.
Procurement & Expediting
Fast access to products and service providers through our trained advisors and vast database.
Construction Support
Partnership with top certified contractors for optimal project construction requirements.
Maintenance (MRO)
Properly scheduled plant turnaround to reduce downtime and maximize equipment life.
Logistics & Customs
International shipping, transfers, customs and duties with renowned broker partners.
Global Sourcing Network
Equipment Brands We Source
Direct relationships with leading manufacturers. OEM parts with full traceability, MTRs, and certification documentation.
Valves & Flow Control
- CameronValves & Flow Control
- VelanIndustrial Valves
- FlowservePumps & Valves
- CraneEngineered Valves
Instrumentation
- EmersonProcess Automation
- HoneywellInstrumentation
- ABBIndustrial Controls
- Endress+HauserMeasurement
Safety Equipment
- MSASafety Equipment
- Honeywell SafetyPPE & Detection
- DrägerGas Detection
- 3MPersonal Protection
Rotating Equipment
- SKFBearings & Seals
- TimkenPower Transmission
- John CraneMechanical Seals
- SulzerPump Parts
Standards & Certifications
We adhere to the highest industry standards for quality and compliance.
Our Client Partners
40+ years of partnerships with major IOCs, NOCs, and industrial operators.
Quiriquire Gas
Cerro Negro
Upgrader
Upgrader
Supermetanol
Metor Plant
Puerto La Cruz
Client Testimonials
What Our Clients Say
Hear from procurement teams who've experienced our documentation discipline and delivery reliability.
"Sigma's documentation discipline and expediting cadence kept our turnaround on schedule. Their team understands what IOC procurement teams need."
"When we needed emergency valve replacements during an unplanned shutdown, Sigma delivered within 72 hours with full documentation. That's the kind of partner you need."
"Their knowledge of API/ASME standards and ability to source compliant equipment across the Americas has made them our go-to procurement partner for 15+ years."
Venezuela & LATAM Readiness
Documentation-first procurement for complex environments. Transparent process, compliance discipline, and practical logistics execution.
Proven Track Record with Measurable Results
Major project experience across the Americas—with outcomes that matter.
Repsol Quiriquire Gas Project
Complex gas processing procurement requiring API-spec equipment
- 100% documentation compliance
- Zero delays on critical path
- Multi-vendor coordination
ExxonMobil Cerro Negro
Heavy oil upgrader requiring specialized rotating equipment parts
- API 610/617 compliance
- Full traceability documentation
- On-time delivery
Refinery Turnaround Support
Time-critical MRO procurement for scheduled maintenance shutdown
- 400+ items consolidated into kits
- Reduced receiving time
- Zero stockouts during shutdown
Ready to discuss your procurement needs?
Whether you're planning a major project or need reliable MRO support, our team responds within 24-48 hours.