Insights

Growing Acquisition Footprint C1S Group recently expanded its capabilities through the acquisition of Conquest Engineering, indicating a strategic move to deepen its market presence and service offerings in the engineering and construction sector, opening opportunities for new project collaborations.

Strong Industry Recognition Repeated recognition by Outside Magazine as one of the best places to work highlights C1S's positive company culture and talent retention, which can be leveraged to attract premium clients seeking reliable partners with a strong team foundation.

Robust Financial Profile With annual revenues estimated between $25 million and $50 million and serving clients ranging from Fortune 500 companies to specialized facilities, C1S demonstrates a scalable business model with potential for developing high-value, customized construction solutions.

Experienced Leadership Team Recent hires of seasoned professionals in business development and engineering suggest active expansion and diversification efforts, presenting opportunities for targeted outreach to align new leadership expertise with client project needs.

Technological Adoption Utilization of advanced tech stacks such as Procore, Cloudflare, and Vercel indicates C1S’s commitment to integrating modern construction technologies, which can facilitate sales pitches centered on innovative, efficient project delivery for clients seeking cutting-edge construction solutions.

Similar companies to C1S Group, Inc.

C1S Group, Inc. Tech Stack

C1S Group, Inc. uses 8 technology products and services including Cloudflare CDN, Procore, jQuery, and more. Explore C1S Group, Inc.'s tech stack below.

Cloudflare CDN
Content Delivery Network
Procore
Facilities Management
jQuery
Javascript Libraries
Modernizr
Javascript Libraries
jQuery Mobile
Mobile Frameworks
Vercel
Platform As A Service
HSTS
Security
Radix UI
UI Frameworks

Media & News

C1S Group, Inc.'s Email Address Formats

C1S Group, Inc. uses at least 1 format(s):

C1S Group, Inc. Email Formats	Example	Percentage
First.Last@c1sinc.com	John.Doe@c1sinc.com	50%
First.Last@c1sinc.com	John.Doe@c1sinc.com	50%

Frequently Asked Questions

Where is C1S Group, Inc.'s headquarters located?

C1S Group, Inc.'s main headquarters is located at 4231 Sigma Road Dallas, Texas 75244 United States. The company has employees across 2 continents, including North AmericaEurope.

What is C1S Group, Inc.'s phone number?

You can contact C1S Group, Inc.'s main corporate office by phone at

+1-972-386-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is C1S Group, Inc.'s stock symbol?

C1S Group, Inc. is a publicly traded company; the company's stock symbol is 4432.T.

What is C1S Group, Inc.'s official website and social media links?

C1S Group, Inc.'s official website is c1sinc.com and has social profiles on LinkedIn.

How much revenue does C1S Group, Inc. generate?

As of March 2026, C1S Group, Inc.'s annual revenue is estimated to be $3M.

What is C1S Group, Inc.'s SIC code NAICS code?

C1S Group, Inc.'s SIC code is 8711 - Engineering Services NAICS code is 23 - Construction.

How many employees does C1S Group, Inc. have currently?

As of March 2026, C1S Group, Inc. has approximately 60 employees across 2 continents, including North AmericaEurope. Key team members include Ceo: J. S.Chief Operating Officer: C. H.President: M. S.. Explore C1S Group, Inc.'s employee directory with LeadIQ.

What industry does C1S Group, Inc. belong to?

C1S Group, Inc. operates in the Construction industry.

What technology does C1S Group, Inc. use?

C1S Group, Inc.'s tech stack includes Cloudflare CDNProcorejQueryModernizrjQuery MobileVercelHSTSRadix UI.

What is C1S Group, Inc.'s email format?

C1S Group, Inc.'s email format typically follows the pattern of First.Last@c1sinc.com. Find more C1S Group, Inc. email formats with LeadIQ.

When was C1S Group, Inc. founded?

C1S Group, Inc. was founded in 2001.

C1S Group, Inc.

Q: What is C1S Group, Inc.'s official website and social media links?

C1S Group, Inc.'s official website is c1sinc.com. C1S Group, Inc. has social profiles on LinkedIn.

Q: How many employees does C1S Group, Inc. have currently?

C1S Group, Inc. has approximately 60 employees.

Q: What technology does C1S Group, Inc. use?

C1S Group, Inc.'s tech stack includes Contentful, Tailwind CSS, PWA, Cloudflare CDN, React.

ConstructionTexas, United States51-200 Employees

C1S Group is an engineering and construction firm serving facility owners who rely on their buildings to achieve operational success.  The C1S client list varies from global Fortune 500 organizations to highly specialized entities with one facility. The C1S business model calls for the agility to work on multiple projects across geographic locations with varying complexities.

C1S is proud of its industry-leading focus on its employees. Outside Magazine and Inc. Magazine have named C1S one of the "100 Best Places to Work in America" (2015) and "50 Best Workplaces" respectively.
 
For more information, visit www.c1sinc.com.