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Your Trusted Partner for Design-Build Construction Solutions
C1S Group is a design-build firm specializing in turn-key solutions for new and existing buildings. We partner with industry-leading companies across a wide spectrum of markets to provide solutions that drive their businesses forward without interrupting operations. Our expertise lies in delivering creative, agile solutions within rigorous timeline and budget constraints. Guided by five core values and an unwavering commitment to client satisfaction, our multi-disciplinary team combines engineering, construction, and sustainability expertise to make businesses better.

We serve diverse industries including Aerospace & Defense, Healthcare, Advanced Manufacturing, and K-12 Education. Our consultative approach ensures we diagnose opportunities, create holistic plans, and secure capital funding for renovations while improving operations. With a focus on innovation and reliability, we tackle complex challenges in critical environments, overlapping design and construction phases to reduce timelines and bring organization to fast-track projects.
Services
Design-Build Engineering Construction Facility Assessments Cleanroom Solutions MEP Design Commissioning Sustainability Services Project Management SCIF Construction
Highlights and features
  • We offer a consultative approach to secure capital funding while improving operations.
  • Our team serves diverse industries including Aerospace, Healthcare, and Advanced Manufacturing.
  • We deliver projects within rigorous timeline and budget constraints.
  • Our multi-disciplinary team combines engineering, construction, and sustainability expertise.
  • We overlap design and construction phases to reduce timelines in critical environments.
Services
Design-Build
Our design-build services combine engineering and construction expertise to deliver turn-key solutions. We streamline processes for commercial, industrial, and healthcare facilities, ensuring projects meet timeline and budget constraints. Clients benefit from reduced timelines and improved operational efficiency through overlapping design and construction phases.
Facility Assessments
We conduct comprehensive facility condition assessments for municipal, commercial, and industrial properties. Our evaluations identify maintenance needs, structural integrity, and system upgrades. Clients receive actionable reports to prioritize renovations and secure capital funding for long-term facility health.
Cleanroom Solutions
Specialized cleanroom design and construction services meet ISO 5-8 standards for pharmaceutical, semiconductor, and healthcare clients. We ensure compliance with strict contamination control requirements while integrating HVAC, lighting, and safety systems. Projects include SCIF construction and certification testing for classified environments.
MEP Design
Our mechanical, electrical, and plumbing (MEP) design services optimize building systems for efficiency and compliance. We provide tailored solutions for new constructions and retrofits, focusing on energy performance and code adherence. Clients receive integrated designs that enhance operational reliability and sustainability.
Commissioning
We offer commissioning services for HVAC, lighting, and control systems to ensure optimal performance. Our team verifies compliance with LEED standards and local regulations, including city-mandated requirements. Clients gain confidence in system functionality and energy efficiency through rigorous testing protocols.
People
Matthew Strong
President
Matthew leads C1S Group with a focus on innovation and client satisfaction. He drives strategic growth while maintaining the company's core values of integrity and excellence in design-build solutions.
Chad Holt
Chief Operating Officer
Chad oversees daily operations, ensuring project delivery excellence across engineering and construction divisions. He emphasizes team collaboration and process optimization to meet client objectives efficiently.
Grant Claussen
Director of Engineering
Grant leads engineering initiatives with technical expertise in MEP systems. He ensures innovative, code-compliant designs that enhance building performance and sustainability for diverse client needs.
Jason Patterson
Director of Construction
Jason manages construction operations, prioritizing safety and quality execution. His leadership ensures complex projects meet rigorous timelines while maintaining the highest standards of craftsmanship.
Julie Lowe Strong
Chief People Officer
Julie fosters company culture and talent development at C1S Group. She aligns HR strategies with business goals, promoting a work environment that values expertise, productivity, and team satisfaction.
Questions
What industries does C1S Group serve?
We serve Aerospace & Defense, Healthcare, Advanced Manufacturing, K-12 Education, Municipal, and Commercial industries with tailored design-build solutions.
What is C1S Group's design-build approach?
Our integrated approach overlaps design and construction phases to reduce timelines, improve efficiency, and deliver turn-key solutions within budget constraints.
Do you handle facility assessments?
Yes, we provide comprehensive facility condition assessments for municipal, commercial, and industrial properties to identify renovation needs and system upgrades.
Can you build cleanroom environments?
We specialize in ISO 5-8 cleanroom construction for pharmaceutical, semiconductor, and healthcare clients, including SCIF and classified environments.
What geographic areas do you cover?
We operate across North America, with primary service areas in Texas and national project experience from coast to coast.
How do you ensure project quality?
Our quality assurance includes rigorous commissioning processes, adherence to ISO standards, and experienced teams delivering code-compliant, sustainable solutions.
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