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Companies using Nortel CS1000 by Nortel in 2025

As of 2025, 339 verified companies use Nortel CS1000 – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.

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What is Nortel CS1000 by Nortel?

Nortel CS1000 by Nortel was a communication server that provided voice, data, and unified communications services. It was often utilized to modernize business communications infrastructure, offering advanced features such as VoIP, conferencing, and call center capabilities. Industries and departments that would typically use this technology include enterprise-level organizations, contact centers, and IT departments.

Last updated date

August 17, 2025

Number of Companies using

339

The majority are based in the

United States

Most common industry?

Manufacturing

Nortel CS1000’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

CVS Health

United States flag
United States

Drug Stores & Pharmacies

219000

$379B

Nortel CS1000

Samsung

South Korea

Telecommunication Equipment

267860

$203.4B

Nortel CS1000

IBM

United States flag
United States

Custom Software & IT Services

270300

$62.8B

Nortel CS1000

ExxonMobil

United States flag
United States

Oil & Gas Exploration & Services

61000

$339.9B

Nortel CS1000

UPS

United States flag
United States

Freight & Logistics Services

490000

$90.9B

Nortel CS1000

Verizon

United States flag
United States

Telephony & Wireless

99400

$135.3B

Nortel CS1000

Wells Fargo

United States flag
United States

Banking

215332

$82.3B

Nortel CS1000

Shell

United Kingdom flag
United Kingdom

Convenience Stores, Gas Stations & Liquor Stores

96000

$281.1B

Nortel CS1000

BP

United Kingdom flag
United Kingdom

Oil & Gas Exploration & Services

100500

$187.2B

Nortel CS1000

AT&T

United States flag
United States

Telephony & Wireless

139970

$122.9B

Nortel CS1000

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We have data on 339 companies that use Nortel CS1000. Our Nortel CS1000 customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.

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Nortel CS1000 users and customers by country

United States flag
United States
United Kingdom flag
United Kingdom

2.6K Companies

Canada flag
Canada

2.6K Companies

Netherlands flag
Netherlands

2.6K Companies

Ireland flag
Ireland

2.6K Companies

Where Nortel CS1000 Shows Up Most

Nortel CS1000 is used across a wide range of sectors:

Manufacturing

Hospitals & Physicians Clinics

Finance

Telecommunications

Business Services

From lean startups to global enterprises, Nortel CS1000’s footprint is wide, and that means opportunity.

sectors

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This data is updated on August 17, 2025

Nortel CS1000 was a communication server that provided voice, data, and unified communications services. It offered advanced features such as VoIP, conferencing, and call center capabilities.

As of 2025, there are 339 verified companies using Nortel CS1000.

Nortel CS1000 is used across various industries, company sizes, and geographies, including enterprise-level organizations, contact centers, and IT departments.

The United States exhibits the highest adoption rate of Nortel CS1000.

Industries such as Manufacturing, Hospitals & Physicians Clinics, Finance, Telecommunications, and Business Services are among the most frequent users of Nortel CS1000.