Construction Solutions for Existing Buildings

C1S Group provides unique solutions for facility renovation projects, combining Engineering, Construction and Sustainability into one complete service offering so that our projects incorporate functionality, energy efficiency, maintainability and value. We have executed turn-key solutions for a client list that varies from local, independent business owners to Fortune 500 companies, C1S has the expertise and agility to execute a wide range of projects nationwide.

Engineering Dallas

Planning is critical to schedule driven projects.



Are your shutdown windows short and non-negotiable? Learn how C1S can help you execute your projects right, and right on time.Read More
Construction Dallas

Complex project in an old building?



Platting, updated codes, and maintaining the authentic “feel” of the original building are all considerations when renovating an existing space.Read More
LEED Engineering and Construction for Sustainability

Don’t fail compliance with your latest cleanroom area



Are you constructing a cleanroom or critical environment for your latest product line? Be sure to avoid delays and costly change orders due to non-compliance with ISO and other industry standards.Read More