About Us
SI Solutions brings together established brands to serve the growing needs of the power generation, utility infrastructure, chemical, refining, and critical structures sectors in the U.S. and abroad. Through the SI Solutions platform, we deliver integrated expertise in asset management, compliance, maintenance, repair, and upgrades—helping clients strengthen performance and ensure the long-term resilience of their critical assets.
Our Brands
C2C Technical Services (C2C) provides engineering and instrumentation and electrical (I&E) construction solutions for complex industrial facilities. Our capabilities encompass structural, mechanical, process, electrical, and instrumentation engineering, as well as project management, project controls, estimating, design, and field engineering. The C2C team specializes in critical-path execution to ensure efficient planning, commissioning, and start-up. Delivered on-site or off-site, our turnkey solutions are powered by advanced tools and technologies along with a commitment to safety, quality, and service.
Flesch Engineering (FE) was founded in 2014 and specializes in mechanical, structural, civil, process, rail, and instrumentation & electrical (I&E) engineering. Its experienced staff delivers services in cost estimation, program management, piping design, and construction administration, including subcontractor and onsite personnel management. In 2025, Flesch Engineering was acquired by C2C Technical Services (C2C), uniting two teams with complementary expertise and shared values. Together, they provide comprehensive engineering and I&E solutions across the industries they serve.
Integrity Specialists delivers advanced non-destructive testing and inspection solutions to the natural gas industry. Since 2010, the company has built its reputation on expertise, innovation, and a people-first culture. Leveraging cutting-edge NDT technology and deep industry knowledge, Integrity Specialists provides comprehensive pipeline and mechanical integrity services. With unwavering dedication to safety, quality, and environmental stewardship, the Integrity Specialists team ensures the reliability of critical energy infrastructure while meeting the highest industry standards.
SC Solutions provides modeling, analysis and control design solutions for the semiconductor, advanced materials manufacturing, and aerospace industries. Our products include real-time and run-to-run control, signal processing and process optimization. SC Solutions’ controllers have been proven in the field for over a decade.
Founded in 1983, Structural Integrity Associates (SIA) provides its clients with innovative, integrated, and effective asset life cycle engineering solutions. SIA is Powered by Talent and Technology, evident in its staff of industry-leading experts with extensive experience in many facets of the energy industry, including engineering, science, and technical leadership. They exemplify SIA’s innovative direction and core values in delivering the best-in-value service and solutions to clients.
Our Principles
Mission
To be a global leader in driving top performance in all aspects of operations of our partner critical infrastructure companies
Vision
Core Values
- Safety is everyone’s job
- Our performance & quality is second to none
- Teamwork & people are the foundation of our success
- Integrity guides all we do
- Our agility & innovation is what differentiates us