

C1 Information
Contact top employees from
C1
Summary
C1 is a private company that has been in the industry for 32 years. The company currently specializes in the Information Technology and Services, IT Services areas. The position of the Chairman & CEO is occupied by John A. McKenna. Its headquarters is located at Bloomington, Minnesota, USA. The number of employees ranges from 1.0K to 5.0K. The annual revenue of C1 varies between 1.0B and 5.0B. To connect with C1 employee register on SignalHire.
Organization Website | onec1.com |
Social Links | |
Phone Number | +1 866 768 7978 |
Industries | |
Headquarters Location | 10900 Nesbitt Ave S, Bloomington, Minnesota, 55437 US |
Employees Size | 1000-5000 employees |
Specialties | Managed Services, Professional Services, Advisory Services, Cloud, Business Applications, Customer Experience, Modern Workplace, Cyber Security, Data Center, Enterprise Networking, Lifecycle Services, Communication Platform as a Service, AI, Gen AI, Infrastructure |
SIC Code | 7371 |
DMA Code | Twin Cities |
Founded | 1993 |
Estimated Annual Revenue | $1.0B - 5.0B |
Operating Status | Subsidiary |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1975 | Public Company | 100K - 9.9M | 168.1B | $61M | |
| 2000 | Public Company | 5.0K - 10K | 3B | $1.4B | |
| 1983 | Public Company | 1.0K - 5.0K | 251.3M | $115M | |
| 2003 | Educational Institution | 25 - 100 | 8.5M | $350K |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a growth in traffic to the onec1.com website. In November, traffic increased to 26465, compared to 25557 in the previous month. The highest traffic in 2025 was recorded in August, reaching 28445 visits.
Employees Turnover 3 quarter 2025
Number of employees switched from or switched to
Total number all of employee turnover
Length of Employment
Employee tenure at C1 shows a diverse range of experience levels:
2% have been with the company for less than 1 year17% for 1–2 years18% for 3–4 years18% for 5–7 years18% for 8–10 years27% have over 11 years of service at C1Ex-employees positions
In Company
In New Company
Contact top employees from
C1
Katie Walls McPherson
Head of Demand Generation
Danny DeLozier
Vice President of Strategic Alliances
David Kandrac
Vice President, Strategy & Operations (Chief of Staff)
Mikki Williams
Vice President, Total Rewards
Trent Partain
Advanced Diagnostics Engineer
Amanda Garceau
Systems Engineer
Chris Gehrke
Director - Cloud and Managed Services
Handwerger Barbara
Billing Supervisor
Abel Aronson
Client Delivery Engineer
Joel Haist
National Account Manager
Michael Douget
National Account Manager
Russ Dameron
Diagnostic Engineer
Gaurav Batra
Sr. Manager, Customer Success Manager
Linda Johnson
Purchasing Agent
Jonathan Ong
Senior Full Stack Engineer
Kealee Gallo
Senior Strategy Analyst
Shivani AL
Lead- Grants and Funds Analyst
Vishnu Vardhan Reddy Avva
Graduate Trainee
Aliza Khan Akhund
Marketing Project Manager
Laura Garelick
Customer Success Manager
Donovan Raaum
Senior Contact Senter Engineer
Manuel Molinar
Technical Analyst
Christina Carter
Enterprise Client Executive
Blayne Mathieu
Customer Success Manager
Jim Phillips
Proposal Manager
Michael Choi
Senior Director, Cloud/Managed Services
Carra Keith Estridge
Manager, Sourcing and Vendor Management
Hanan Sabri
Accounts Payable Specialist
Scott Weidenbacher
Client Executive - Public Sector Southeast
Vicki Adams
Manager, IT PMO
Similar Companies
FAQ
C1 operates in the IT Services industries. More details can be found on the official website: onec1.com.
The headquarters of C1 are located in Bloomington, United States.
The current CEO of C1 is John A. McKenna
You can contact C1 by phone at +1 866 768 7978.
C1 currently employs 1000-5000 people.
C1's revenue is approximately 1.6B.
Well-known competitors of C1 include Microsoft, Mosaix , Network Equipment Technologies and Presidio Graduate School.







