Engineering Precision. Operational Confidence.

Instrumentation and control systems engineering built for safety, reliability, and long‑term results.

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Industries We Serve

  • Oil & Gas

    Instrumentation and control system solutions engineered for safety, reliability, and regulatory compliance across upstream, midstream, and downstream operations.

  • Utilities (Gas, Water, Power)

    Automation solutions supporting long-term equipment operation and SCADA integration that enhance system robustness and regulatory confidence.

  • Manufacturing

    Automation and control optimization to boost productivity, uptime, and operational consistency.

  • Water/Wastewater

    Process controls and monitoring systems designed for compliance, efficiency, and environmental agency requirements.

Core Services

Built to deliver clear, reliable, and compliant engineering solutions across instrumentation, controls, and electrical systems.

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    • Piping & Instrumentation Diagrams (P&IDs)

    • Control / Shutdown Philosophies

    • Network Architecture Diagrams

    • PLC / HMI / SCADA Programming

    • Instrument Selection

    • Control / On-Off Valve Sizing / Selection

    • Instrument Datasheets

    • Loop Drawings

    • Instrument Installation Diagrams

    • Instrument MTO (Material Take-Off)

    • Instrument Index

    • Control Panel Design

    • Termination Diagrams

    • Wiring Diagrams

    • Hazardous Area Classification

    • Factory Acceptance Test (FAT) Attendance & Support

    • Construction and Commissioning Support

    • Site Acceptance Test (SAT) Attendance & Support

    • Field Redlines and As-Builts

Ready to Get Started?

One Engineering Group provides reliable instrumentation and control systems support for complex industrial projects. Whether you’re planning, upgrading, or troubleshooting, our team is here to help.

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