Company lists · Data refreshed September 2026

Top 25 Real-time monitoring software companies based in the United States

RevenueBase identified 177 real-time monitoring software companies headquartered in the United States as of September 2026 and tracks 17,489 professional contacts across them, including 8,059 with verified work emails and 4,334 with mobile numbers. San Francisco is the largest hub.

This list covers real-time monitoring software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
177Companies
17,489Contacts tracked
8,059Verified emails
4,334Mobile numbers
Explore all 177 companies → Free signup · no credit card · 500 free credits

The 25 largest real-time monitoring software companies based in the United States

Ranked by team size
Top 25 of 177 real-time monitoring software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names real-time monitoring software companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
DatadogPartial evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0009,298

“Datadog is the essential monitoring platform for cloud applications.”

Source: company website · checked Sep 5, 2026
2
LogicmonitorPartial evidence
Santa Barbara, CA, United StatesHQ checked Sep 5, 20261,001-5,0001,241

“We’re in the midst of an information revolution, and monitoring is at the center of it.”

Source: company website · checked Sep 5, 2026
3
Cisco ThousandeyesPartial evidence
San Francisco, CA, United StatesHQ checked Sep 5, 20261,001-5,000933

“Cisco ThousandEyes empowers organizations to assure every digital experience across every network, everywhere, every time.”

Source: company website · checked Sep 5, 2026
4
Cavisson Systems, INCIndirect evidence
Santa Clara, CA, United StatesHQ checked Sep 5, 2026501-1,000456

“Cavisson Systems Inc, having its headquarter in Santa Clara, CA (USA), is a leading provider of performance intelligence platform that ensures exceptional customer experience and…”

Source: company website · checked Sep 5, 2026
5
SentryStrong evidence
San Francisco, CA, United StatesHQ checked Sep 5, 2026201-500414

“Application monitoring software considered "not bad" by millions of developers.”

Source: company website · checked Sep 5, 2026
6
EG InnovationsPartial evidence
Iselin, NJ, United StatesHQ checked Sep 5, 2026201-500308

“eG Innovations provides IT performance monitoring and digital intelligence solutions that automate and dramatically accelerate the discovery, diagnosis, and resolution of IT…”

Source: company website · checked Sep 5, 2026
7
OpsrampIndirect evidence
Houston, TX, United StatesHQ checked Sep 5, 2026201-500154

“OpsRamp was acquired by Hewlett Packard Enterprise.”

Source: company website · checked Sep 5, 2026
8
SL CorporationStrong evidence
California, CA, United StatesHQ checked Sep 5, 202651-200100

“SL develops and markets real-time monitoring, visualization and diagnostic software for Global and mid-market companies whose businesses depend on complex, high-performance…”

Source: company website · checked Sep 5, 2026
9
NagiosIndirect evidence
Saint Paul, MN, United StatesHQ checked Sep 5, 202611-5094

“We monitor the world’s IT infrastructures like no one else: nearly any device, anytime, anywhere, with one dashboard of results that give you certainty about your IT network and…”

Source: company website · checked Sep 5, 2026
10
PlixerIndirect evidence
Kennebunk, ME, United StatesHQ checked Sep 5, 202651-20094

“Plixer enables organizations to deliver, maintain, and secure high-performing IT infrastructures as digital transformation continues and networks scale and become more complex and…”

Source: company website · checked Sep 5, 2026
11
IBM SevoneIndirect evidence
Boston, MA, United StatesHQ checked Sep 5, 2026201-50093

“Struggling to address the soaring complexities of modern network management?”

Source: company website · checked Sep 5, 2026
12Morrisville, NC, United StatesHQ checked Sep 5, 20265,001-10,00090

“N-able fuels IT services providers with powerful software solutions to monitor, manage, and secure their customers’ systems, data, and networks.”

Source: company website · checked Sep 5, 2026
13
VELAStrong evidence
Clearwater, FL, United StatesHQ checked Sep 5, 202611-5090

Software Monitoring, Logging, and Real-Time Alerting Solutions for Broadcasters, Cable Companies and Streamers.”

Source: company website · checked Sep 5, 2026
14
DomotzPartial evidence
Draper, UT, United StatesHQ checked Sep 5, 202651-20081

“Founded in 2015, Domotz has grown into a leading network monitoring and management platform used by IT teams and MSPs in over 190 countries.”

Source: company website · checked Sep 5, 2026
15
ELVENIndirect evidence
Beaverton, OR, United StatesHQ checked Sep 5, 202651-20076

“Soluções em monitoramento, observabilidade e gestão de incidentes.”

Source: company website · checked Sep 5, 2026
16
Ipswitch, INCIndirect evidence
Burlington, MA, United StatesHQ checked Sep 5, 2026201-50065

“Look in any organization today and you will find a hard-working group of individuals tasked with the near impossible: navigating an increasingly complex IT environment while…”

Source: company website · checked Sep 5, 2026
17
DPS TelecomStrong evidence
Fresno, CA, United StatesHQ checked Sep 5, 202611-5056

“DPS Telecom develops and manufactures integrated hardware/software solutions for network monitoring, remote telemetry, and network alarm management.”

Source: company website · checked Sep 5, 2026
18
NetdataStrong evidence
San Francisco, United StatesHQ checked Sep 5, 202651-20042

“Netdata delivers real-time observability for systems, containers, applications, and infrastructure across servers, cloud environments, Kubernetes clusters, and IoT devices.”

Source: company website · checked Sep 5, 2026
19
JennifersoftIndirect evidence
Burlingame, CA, United StatesHQ checked Sep 5, 202611-5033

“JenniferSoft, Inc.”

Source: company website · checked Sep 5, 2026
20Cleveland, OH, United StatesHQ checked Sep 5, 202651-20030

“Entuity Software™, a Park Place Technologies company, is a leading infrastructure monitoring and management solution that helps organizations streamline and proactively manage…”

Source: company website · checked Sep 5, 2026
21
Sightline SystemsStrong evidence
Fairfax, VA, United StatesHQ checked Sep 5, 202611-5028

“Sightline Systems offers a real-time operations intelligence solution focused on analytics, root-cause analysis, performance management, correlation of data and predictive…”

Source: company website · checked Sep 5, 2026
22
Netreo, A BMC CompanyPartial evidence
Huntington Beach, CA, United StatesHQ checked Sep 5, 202651-20028

“Netreo is the most comprehensive IT Operations full stack monitoring and AIOps company.”

Source: company website · checked Sep 5, 2026
23
SpectorsoftIndirect evidence
Vero Beach, FL, United StatesHQ checked Sep 5, 202651-20027

“SpectorSoft is now Veriato!”

Source: company website · checked Sep 5, 2026
24
uptime.comIndirect evidence
Palo Alto, CA, United StatesHQ checked Sep 5, 202611-5026

“Uptime.com provides peace of mind to thousands of customers like Apple, Microsoft, IBM, Palo Alto Networks, Kraft, and BNP Paribas who trust us to monitor the performance, health…”

Source: company website · checked Sep 5, 2026
25
SmartertoolsIndirect evidence
Phoenix, AZ, United StatesHQ checked Sep 5, 202611-5025

“Founded in 2003, SmarterTools Inc.”

Source: company website · checked Sep 5, 2026

Showing 25 of 177 real-time monitoring software companies based in the United States

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Real-time monitoring software companies based in the United States at a glance

As of Sep 5, 2026
11-50Median size (employees)
San FranciscoLargest hub · 12 HQs
4,334Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
63
11-50
71
51-200
25
201-500
8
501-1,000
2
1,001-5,000
5
5,001-10,000
2
10001+
1

Verified emails by last verification

0–30
7,280
31–60
504
61–90
13
90–180
5
180+
257

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among real-time monitoring software companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “real-time monitoring software companies”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among real-time monitoring software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 8,059 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

How many real-time monitoring software companies are there based in the United States?

RevenueBase identified 177 real-time monitoring software companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Datadog, headquartered in New York, tops this list with the largest team on record.

Which city has the most real-time monitoring software companies?

San Francisco leads with 12 headquartered companies, followed by New York (5) and San Jose (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 8,059 verified decision-maker contacts tracked across these 177 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.

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Related lists

Real-time monitoring software companies by geography

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.