Insights

Cloud and On-Prem Mastor offers both cloud communications through a premier partner (NUSO) and strong on-premise telephone system support, indicating opportunities to upsell cloud-based UCaaS or hybrid solutions to customers migrating from on-prem systems.

Security-Driven Tech stack includes modern security tools (Really Simple SSL & Security, HTTP/3) and Cloudflare services, suggesting potential to cross-sell enhanced security, DDoS protection, and DNS optimization to telecommunications clients with sensitive data or regulatory concerns.

Mid Market Focus Company size (11-50 employees) and revenue range imply target potential in small to mid-market businesses needing scalable telecom and security integration without heavy enterprise overhead; sales plays could emphasize simplicity, reliability, and cost efficiency.

Industry Footprint Longstanding telecom and security services with a 30-year track record and a notable recentOps Bersepadu Khazanah initiative suggest credibility and public-facing capabilities; leverage case studies to win customers seeking proven partners.

Growth Signals Revenue reported at substantial scale ($250M-$500M) alongside the stated capability to design and service ongoing cloud communications signals potential for upsell into advanced features, managed services, and expanded cloud footprint for existing clients.

Similar companies to Mastor

Mastor Tech Stack

Mastor uses 8 technology products and services including Snowplow, Amazon Web Services, Duda, and more. Explore Mastor's tech stack below.

Mastor's Email Address Formats

Mastor uses at least 1 format(s):
Mastor Email FormatsExamplePercentage
FLast@mastor.comJDoe@mastor.com
90%
First@mastor.comJohn@mastor.com
5%
First.Last@mastor.comJohn.Doe@mastor.com
5%

Frequently Asked Questions

What is Mastor's official website and social media links?

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Mastor's official website is mastor.com and has social profiles on LinkedIn.

How much revenue does Mastor generate?

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As of August 2026, Mastor's annual revenue is estimated to be $250M - $500M.

What is Mastor's SIC code NAICS code?

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Mastor's SIC code is 4812 - Radiotelephone Communications NAICS code is 517 - Telecommunications.

How many employees does Mastor have currently?

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As of August 2026, Mastor has approximately 30 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Engineer: K. D.. Explore Mastor's employee directory with LeadIQ.

What industry does Mastor belong to?

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Mastor operates in the Telecommunications industry.

What technology does Mastor use?

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Mastor's tech stack includes SnowplowAmazon Web ServicesDudaWordPressBarracuda Email ProtectionJSON-LDjQuery MigrateCloudflare Insights.

What is Mastor's email format?

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Mastor's email format typically follows the pattern of FLast@mastor.com. Find more Mastor email formats with LeadIQ.

When was Mastor founded?

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Mastor was founded in 1991.
Mastor logo

Mastor

TelecommunicationsMissouri, United States11-50 Employees

Mastor operates in the telecommunications sector and serves a range of customers, from small businesses to larger organizations. The company positions itself as a partner, helping clients optimize their telecommunications and security systems through design and ongoing support. As a premier partner with the NUSO network, Mastor designs and supports cloud-based communications solutions, letting customers focus on their core activities rather than system management.

The firm also traces its roots to on-premises telephone systems and maintains a track record of reliable, responsive support. Headquartered in Maryland Heights, Missouri, Mastor has operated for about three decades.

Section iconCompany Overview

Website
mastor.com
SIC Code
4812 - Radiotelephone Communications
NAICS Code
517 - Telecommunications
Founded
1991
Employees
11-50

Section iconFunding & Financials

  • $250M - $500M

    Mastor's revenue is estimated to be in the range of $250M - $500M

Section iconFunding & Financials

  • $250M - $500M

    Mastor's revenue is estimated to be in the range of $250M - $500M

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