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Process Safety Engineering Experts in Houston
At Sis Tech Solutions, we serve as a trusted partner for safeguarding process controls with two decades of expertise in safety instrumented systems and automation design. Our team has played pivotal roles in shaping industry standards through active participation in over 30 standards committees, ensuring our clients benefit from an in-depth understanding that transcends written requirements. With 25+ years of continuous service on industrial standards committees, we deliver consistent, high-quality results by leveraging our extensive experience in loss prevention, instrumentation, and control systems. Our commitment to process safety is demonstrated through our flagship Diamond-SIS technology, a SIL 3-certified safety controller designed for reliability in severe environments.

Through rigorous onboarding processes and state-of-the-art work execution, we deliver efficient solutions that eliminate start-up delays and reduce project costs. Our professionals, who have served as authors and contributors to industry best practices, bring real-world expertise directly to client operations. By integrating field knowledge with advanced simulation tools, we ensure your safety systems perform exactly as required without compromising reliability or cost-effectiveness.
Services
Process Safety Management Safety Instrumented Systems Alarm Management Control Systems Integration Operator Training Documentation Management Maintenance Planning Turnaround Engineering Proof Testing System Validation
Highlights and features
  • We maintain a 20-year proven track record in safe automation design and implementation.
  • Our team directly contributed to over 30 industry standards through committee work.
  • We guarantee consistent results through state-of-the-art onboarding and execution processes.
  • Our engineers deliver solutions that prevent operational delays during system testing.
  • We provide field-tested expertise with no need for client training on existing systems.
Associations and certifications
  • SIL 3
  • TV Rheinland
What people say
Technical expertise Reliable solutions Deep industry knowledge No start-up delays Practical approach
Services
Safety Instrumented Systems
We design and implement SIL-certified safety instrumented systems that prevent process safety incidents. Our solutions combine field-proven hardware with customized programming to meet specific facility requirements. With over two decades of experience, we deliver systems that maintain operational continuity while ensuring compliance with industry standards.
Process Safety Training
Our training programs cover alarm management, LOPA analysis, and functional safety engineering. Instructors include standards committee authors who provide real-world insights into compliance requirements. Courses combine theoretical knowledge with practical applications for immediate implementation in industrial settings.
Control Systems Integration
We integrate safety controls, alarms, and interlock systems across diverse industrial environments. Our vendor-neutral approach ensures compatibility with existing infrastructure while optimizing system performance. Solutions include system validation, documentation management, and maintenance planning to minimize operational disruptions.
Turnaround Engineering Support
Our team provides specialized support during system turnarounds and outages. With extensive field experience, we coordinate testing and validation activities to ensure safety systems function correctly without delaying start-up. Our processes reduce costs while maintaining compliance with safety requirements.
Documentation Management
We maintain comprehensive documentation for safety systems throughout their lifecycle. Our organized approach tracks factory and site acceptance tests, ensuring traceability and compliance. This system supports efficient maintenance, regulatory audits, and system modifications while maintaining operational integrity.
People
Angela Summers
President
Process safety expert with extensive experience in industrial standards development and safety system implementation. Leads strategic direction for SIS-TECH's engineering services and client solutions.
Bryan Larsen
Engineering Director
Technical leader with deep expertise in safety instrumented systems and automation design. Oversees engineering projects and ensures delivery of high-quality, code-compliant solutions for complex industrial applications.
Pete Fuller
Diamond-SIS Manager
Specialist in safety controller technology and SIL-rated systems. Manages development and implementation of Diamond-SIS solutions, ensuring reliability and cost-effectiveness for low I/O safety applications.
Jyoti Sharma
Technical Lead
Experienced engineer with expertise in instrumentation reliability and control system validation. Provides technical guidance for complex safety system implementations and troubleshooting assignments.
Angie Fierros
Training Coordinator
Manages training programs and client education initiatives. Ensures course content aligns with industry requirements while maintaining practical relevance for process safety professionals.
Questions
What process safety services do you offer?
We provide safety instrumented systems design, alarm management, control system integration, documentation management, and turnaround engineering support for industrial facilities.
How do you ensure safety system reliability?
Our Diamond-SIS technology undergoes rigorous testing and certification to SIL 3 standards, with field validation processes that verify performance in actual operating conditions.
Do you provide training for safety systems?
Yes, we offer multiple process safety courses including alarm management, LOPA analysis, and functional safety engineering with industry-recognized certifications.
What industries do you serve?
We work with chemical processing, petrochemical, refining, oil and gas, pharmaceutical, and power generation industries to implement safety systems and training programs.
How do you handle system validation?
Our documented validation processes include factory and site acceptance testing, with simulation tools that verify system performance before implementation in operational environments.
What makes your approach unique?
Our team actively contributes to standards development and brings real-world implementation experience, explaining requirements through practical applications rather than just quoting regulations.
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