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.
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C1S Group, Inc. Questions
The C1S Group, Inc. annual revenue was $23.2 million in 2026.
Julie Strong is the CEO of C1S Group, Inc..
44 people are employed at C1S Group, Inc..
C1S Group, Inc. is based in Dallas, Texas.
The NAICS codes for C1S Group, Inc. are [54, 541, 54131, 5413, 541310].
The SIC codes for C1S Group, Inc. are [8712, 871, 87].
Top C1S Group, Inc. Employees
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Julie Strong
CEO at C1S Group, Inc.
Dallas, TX, US25 -
John Hero
Director of Business Development at C1S Group, Inc.
Lewisville, TX, US35+ -
Jordan Meadows
Director of Innovation at C1S Group, Inc.
Texas, United States22 -
Christy O'Brien
Director of Human Resources at C1S Group, Inc.
Texas, United States35+ -
Joseph Traino
Senior Project Manager at C1S Group, Inc.
Dallas, TX, US21 -
Michael Perry
Director Of Construction at C1S Group, Inc.
Texas, United States1
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