C1: Detailed Company Information & Corporate Profile
Summary
C1 is a private company that has been in the industry for 33 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.
| C1 Website | onec1.com |
| Social Links |    |
| Phone Number | +1 866 768 7978 |
| Industries | |
| C1 Headquarters address | 10900 Nesbitt Ave S, Bloomington, Minnesota, 55437 US |
| Company 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 |
C1 Org Chart
Chief Executive Officer
Chief Executive Officer
C-Level
Chief Strategy Officer
Chief Technology Officer
Chief Operating Officer
General Manager
Project Manager
Senior Infrastructure Engineer
Project Manager
Project Manager
Competitors
Name | 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 | 48.5M | $115M | |
| 2003 | Educational Institution | 25 - 100 | 8.5M | $350K |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a decline in traffic to the onec1.com website. In April, traffic decreased to 14926, compared to 21530 in the previous month. The highest traffic in 2026 was recorded in January, reaching 28546 visits.
Workforce Turnover
Number of staff members switched
Departmental sample breakdown
Corporate Tenure Analytics
C1's workforce includes employees across a wide range of tenure levels.
1% have been with the company for less than 1 year7% have been with the company for 1 to 2 years15% have been with the company for 3 to 4 years16% have been with the company for 5 to 7 years16% have been with the company for 8 to 10 years44% have been with the company for more than 11 years
Email (6)
Phone (4)Email (5)Phone (2)Email (4)Phone (1)Email (6)Phone (3)Email (4)Phone (1)Email (5)Phone (3)Email (6)Phone (3)Email (5)Phone (4)Email (4)Phone (2)
Companies Similar to C1
C1 Corporate Information: FAQ
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