CSG, also known as CSG Systems International, is a publicly owned company headquartered in the US. Founded in 1994, with approximately 6,890 employees, the company reported $1.2B in revenue as of 2025. Operating as a provider of telecoms network infrastructure, CSG is a subsidiary of NEC and encompasses subsidiaries such as Kitewheel and Tango Telecom. The company specializes in business support solutions for the communications industry, offering services that include cable and satellite care and billing, content management and monetization, convergent rating and billing, mediation and data management, and wholesale settlement and routing.

Revenue

Founded

1994

Headcount

5,500

Headquarters

United States

Primary Segment

Telecoms network infrastructure

Ownership

Publicly Owned

Deployments

61

News Summary:

On July 2, 2026, global industrial and technology group CSG launched CSG Land Systems North America, a new US subsidiary. Jason Alejandro Monahan, a defense executive with over two decades of experience in the US industrial base, will lead the new company.

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CSG offers 16 products in the connectivity and cloud, media tech and telecoms tech industries. CSG's product portfolio comprises of telecoms network infrastructure, video business systems, bSS/OSS, enterprise and telecoms software and enterprise cloud.
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CSG's revenues were $1.2B in 2025. Caretta Research has split CSG's revenue into 12 different product categories, the largest of which is telecoms network services and systems integration, which represents 28% of CSG's revenue.
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CSG's customers primarily consist of telecoms companies. Examples of CSG's customers include Vodafone, Charter Communications and Comcast Corporation.

Example Customers

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