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D

DsiTelecommunications · 1001-5000 · B2B contacts & data

5,000 Employees
1984 Founded
Telecommunications Industry
Telecommunications United States B2B Est. 1984

Company Overview

Sector Technology, Information and Media
Headcount 5,000 employees (1001-5000)
Company type Privately held
Revenue $4M
Headquarters United States
Website dsisystemsinc.com
Last updated 18 Aug 2026

Departments actively hiring 3 departments

Customer service
Finance & accounting
Sales

These departments at Dsi are actively recruiting: a strong signal to time your outreach.

Companies similar to Dsi

About Dsi

Dsi is a business specialised in Telecommunications, based in United States. Founded in 1984, the company has a workforce of roughly 5,000 people. Within the wider Technology, Information and Media sector, Dsi focuses on the Telecommunications segment. Dsi is a B2B company, primarily serving business clients and professional organisations. Annual revenue is estimated at around $4M. Use this page to review Dsi's industry, headcount, location and hiring signals, and to reach verified B2B contacts before your next outreach.

Activity & Market

Dsi operates in the Telecommunications segment, part of the broader Technology, Information and Media sector. As a B2B company, Dsi primarily serves business clients and professional organisations. In terms of structure, it is registered as “Privately held”.

Decision Makers at Dsi

2C-Level 7VP 37Heads
Decision maker Email Phone

Zeliq has found 46 decision makers at Dsi. Create a free Zeliq account to access their verified emails and direct phone numbers.

See 46 decision makers on Zeliq →

New decision makers last 6 months

2Heads

2 new decision makers joined Dsi in the last 6 months, a strong signal to time your outreach.

Contact the new decision makers on Zeliq →

Team Structure headcount by department

Sales
177
Customer Service
80
Other
34
Operations
31
Technical
15
Finance
13
General Management
12
Project Management
12

How to prospect Dsi's departments

Sales

With 177 people, this is the organisation's biggest team, and it is hiring. These profiles handle outreach daily and respond well to concrete pitches about pipeline, productivity and prospecting tooling.

Customer Service

A team of 80 people, currently hiring. Response time and satisfaction scores are their daily battle: a concrete angle for your first message.

Other

34 people work in this department. Mixed profiles gather here: a discovery-first approach works better than a packaged pitch.

Operations

A team of 31 people. Process efficiency and cost control are the angles that resonate with these decision makers.

Technical

This department counts 15 people. Developer experience and integration effort will make or break your pitch here.

Finance

This 13-person department is actively recruiting. Build your pitch around ROI, payback period and risk reduction: the language this department speaks.

FAQ Dsi

What industry does Dsi operate in?

Dsi operates in the Telecommunications industry, specifically in the Technology, Information and Media category.

How many employees does Dsi have?

Dsi has approximately 5,000 employees (in the 1001-5000 range). This figure is an estimate to help qualify the account, not a legally certified number.

How do I find contacts at Dsi?

With Zeliq, you can find the right decision makers at Dsi, get their verified emails and direct phone numbers, and engage them through targeted multichannel sequences.

Where is Dsi headquartered?

Dsi is headquartered in United States.

Which departments are hiring at Dsi?

Dsi is actively recruiting in the following departments: Customer service, Finance & accounting, Sales. These hiring signals help you time your outreach.

Why use this data before prospecting Dsi?

With Dsi's firmographics and business signals at hand, you can prioritise the account, personalise your approach, and contact the right people straight away.