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Companies using WebGUI by Plain Black Corporation in 2025

As of 2025, 126 verified companies use WebGUI – 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.

https://www.plainblack.com

What is WebGUI by Plain Black Corporation?

WebGUI by Plain Black Corporation is an open-source content management system designed to simplify the creation and management of websites and web applications. It is often used by IT departments and web developers across various industries to build and maintain dynamic online platforms.

Last updated date

August 17, 2025

Number of Companies using

126

The majority are based in the

United States

Most common industry?

Business Services

WebGUI’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

IBM

United States flag
United States

Custom Software & IT Services

270300

$62.8B

WebGUI

Accenture

Ireland flag
Ireland

Custom Software & IT Services

791000

$68.5B

WebGUI

ExxonMobil

United States flag
United States

Oil & Gas Exploration & Services

61000

$339.9B

WebGUI

Wells Fargo

United States flag
United States

Banking

215332

$82.3B

WebGUI

AT&T

United States flag
United States

Telephony & Wireless

139970

$122.9B

WebGUI

SAP

Germany flag
Germany

Enterprise Resource Planning (ERP) Software

109000

$38B

WebGUI

Deloitte

United Kingdom flag
United Kingdom

Accounting Services

459820

$67.2B

WebGUI

Ericsson

Sweden flag
Sweden

Telephony & Wireless

97985

$24.1B

WebGUI

Citigroup

United States flag
United States

Banking

225500

$81.7B

WebGUI

BNP Paribas

France flag
France

Banking

178000

$75.1B

WebGUI

Showing 10 of 126 results

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We have data on 126 companies that use WebGUI. Our WebGUI 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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WebGUI users and customers by country

United States flag
United States
Germany flag
Germany

2.6K Companies

United Kingdom flag
United Kingdom

2.6K Companies

Australia flag
Australia

2.6K Companies

France flag
France

2.6K Companies

Where WebGUI Shows Up Most

WebGUI is used across a wide range of sectors:

Business Services

Custom Software & IT Services

Manufacturing

Finance

Education

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

sectors

How It Works

It’s everything you wish outbound was—automated, precise, and scalable.

  • Landbase finds and qualifies your ideal prospect data automatically
  • Landbase deploys specialized AI agents to generate and run high-converting campaigns
  • Landbase executes across all channels, handling all the technical complexity behind the scenes.
  • Your pipeline fills up. You get to focus on strategy, not busywork.

Trusted by High-Performing GTM Teams

Join the teams using Landbase to:

  • Eliminate manual prospecting
  • Fill pipeline faster
  • Win against competitors
  • Built for SDRs, AEs, RevOps, and GTM Leaders
  • Powered by AI. Delivered with Speed

This data is updated on August 17, 2025

WebGUI is an open-source content management system designed to simplify the creation and management of websites and web applications.

As of 2025, there are 126 verified companies using WebGUI.

WebGUI is used across various industries, company sizes, and geographies.

This data can be used to analyze the market, build a target list, or gain a sales edge.

The industry using WebGUI the most is Business Services.