Company lists · Data refreshed September 2026

Top 25 Instrumentation software companies based in the United States

Name: Instrumentation software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 469 companies tracked

RevenueBase identified 469 instrumentation software companies headquartered in the United States as of September 2026 and tracks 26,570 professional contacts across them, including 8,870 with verified work emails. Houston is the largest hub.

This list covers instrumentation 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

469Companies

26,570Contacts tracked

8,870Verified emails

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The 25 largest instrumentation software companies based in the United States

Ranked by team size

Top 25 of 469 instrumentation software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to instrumentation software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	NI National Instruments	Indirect evidence	Austin, TX, United StatesHQ checked Sep 28, 2026	5,001-10,000	7,081 contacts →
	Indirect evidence “In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Source: RevenueBase Database · checked Sep 28, 2026
2	Ametek	Indirect evidence	Berwyn, PA, United StatesHQ checked Sep 28, 2026	10001+	4,113 contacts →
	Indirect evidence “AMETEK, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
3	Tektronix	Indirect evidence	Beaverton, OR, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,355 contacts →
	Indirect evidence “We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.” Source: RevenueBase Database · checked Sep 28, 2026
4	PAC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	501-1,000	703 contacts →
	Indirect evidence “PAC, Precision Analyzer Company, is a leading global manufacturer of advanced analytical instruments for the aviation, renewable fuel, process, petrochemical, hydrocarbon…” Source: RevenueBase Database · checked Sep 28, 2026
5	Omega Engineering	Indirect evidence	Norwalk, CT, United StatesHQ checked Sep 28, 2026	501-1,000	582 contacts →
	Indirect evidence “Omega sells more than products used to measure temperature and humidity, flow and level, and pressure.” Source: RevenueBase Database · checked Sep 28, 2026
6	Campbell Scientific	Indirect evidence	Logan, UT, United StatesHQ checked Sep 28, 2026	201-500	560 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
7	Dwyeromega	Partial evidence	Michigan City, IN, United StatesHQ checked Sep 28, 2026	1,001-5,000	557 contacts →
	Partial evidence “DwyerOmega is a trusted global leader in sensing, instrumentation, and process control solutions, supporting HVAC, industrial, manufacturing, and research applications where…” Source: RevenueBase Database · checked Sep 28, 2026
8	Teledyne Lecroy	Indirect evidence	Chestnut Ridge, NY, United StatesHQ checked Sep 28, 2026	201-500	473 contacts →
	Indirect evidence “Teledyne LeCroy is a leading manufacturer of advanced oscilloscopes, protocol analyzers, and other test instruments that verify performance, validate compliance, and debug complex…” Source: RevenueBase Database · checked Sep 28, 2026
9	Simco Electronics	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 28, 2026	201-500	391 contacts →
	Partial evidence “SIMCO Electronics is a leading provider of calibration, repair, and software services for manufacturing, life science, and technology organizations.” Source: RevenueBase Database · checked Sep 28, 2026
10	Seeq Corporation	Partial evidence	Seattle, WA, United StatesHQ checked Sep 28, 2026	51-200	268 contacts →
	Partial evidence “Seeq Corporation develops software and services that accelerate industrial process analytics on industrial process data.” Source: RevenueBase Database · checked Sep 28, 2026
11	KPM Analytics	Partial evidence	Westborough, MA, United StatesHQ checked Sep 28, 2026	201-500	244 contacts →
	Partial evidence “KPM Analytics is a global leader in analytical instrumentation primarily focused on analyzing critical parameters within the food, agriculture, clinical and environmental sectors.” Source: RevenueBase Database · checked Sep 28, 2026
12	Elemental Scientific	Indirect evidence	Omaha, NE, United StatesHQ checked Sep 28, 2026	201-500	208 contacts →
	Indirect evidence “Elemental Scientific (ESI) supports scientific work through online monitoring systems, laboratory automation products, sample preparation accessories, and precision sample…” Source: RevenueBase Database · checked Sep 28, 2026
13	Gatan INC	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 28, 2026	51-200	201 contacts →
	Indirect evidence “Gatan, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
14	Control Associates, INC	Partial evidence	Allendale, NJ, United StatesHQ checked Sep 28, 2026	51-200	161 contacts →
	Partial evidence “Control Associates is a provider of control systems, valves, instrumentation, pressure management, asset reliability, MES, PAT, systems integration and data management solutions…” Source: RevenueBase Database · checked Sep 28, 2026
15	Li-Cor	Indirect evidence	Lincoln, NE, United StatesHQ checked Sep 28, 2026	201-500	136 contacts →
	Indirect evidence “LI-COR is a leader in environmental measurement and monitoring solutions.” Source: RevenueBase Database · checked Sep 28, 2026
16	George E. Booth CO	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 28, 2026	51-200	135 contacts →
	Indirect evidence “As a proud third-generation family-owned business, George E.” Source: RevenueBase Database · checked Sep 28, 2026
17	VAREC	Partial evidence	Peachtree Corners (atlanta), GA, United StatesHQ checked Sep 28, 2026	51-200	128 contacts →
	Partial evidence “Varec has been a leading innovator in the petroleum and chemical sectors for over eight decades – working with industry leaders to pioneer inventory tank gauging instrumentation…” Source: RevenueBase Database · checked Sep 28, 2026
18	Alicat Scientific	Partial evidence	Tucson, AZ, United StatesHQ checked Sep 28, 2026	51-200	125 contacts →
	Partial evidence “Since 1991, Alicat Scientific has manufactured custom mass flow and pressure instrumentation to equip our customers with the tools they need to advance scientific discovery and…” Source: RevenueBase Database · checked Sep 28, 2026
19	Black Label Services, INC	Indirect evidence	Windsor, CO, United StatesHQ checked Sep 28, 2026	201-500	117 contacts →
	Indirect evidence “At Black Label Services, we pride ourselves on delivering cutting-edge and customized services to meet the unique needs of our clients across various industries.” Source: RevenueBase Database · checked Sep 28, 2026
20	Intellisense Systems, INC	Indirect evidence	Torrance, CA, United StatesHQ checked Sep 28, 2026	51-200	109 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
21	Accurate Technologies INC	Partial evidence	Novi, MI, United StatesHQ checked Sep 28, 2026	51-200	102 contacts →
	Partial evidence “With a quarter of a century of experience in developing cutting-edge software and hardware solutions for the measurement, calibration and diagnostics (MCD) sector, Accurate…” Source: RevenueBase Database · checked Sep 28, 2026
22	SL Corporation	Partial evidence	California, CA, United StatesHQ checked Sep 28, 2026	51-200	100 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 28, 2026
23	Techstar	Partial evidence	Deer Park, TX, United StatesHQ checked Sep 28, 2026	51-200	98 contacts →
	Partial evidence “Since 2001, we’ve aligned ourselves with quality manufacturers of instrumentation & analytical devices that share our deep-rooted beliefs in commitment, innovation & best in class…” Source: RevenueBase Database · checked Sep 28, 2026
24	DHI Services INC	Partial evidence	Pinehurst, TX, United StatesHQ checked Sep 28, 2026	n/a	97 contacts →
	Partial evidence “DHI Services provides the following well site services: Surface Data Logging, Drilling Instrumentation, Real-Time Data Delivery via the Internet, Mud Gas and Ambient Gas…” Source: RevenueBase Database · checked Sep 28, 2026
25	Geokon	Partial evidence	Lebanon, NH, United StatesHQ checked Sep 28, 2026	51-200	88 contacts →
	Partial evidence “GEOKON is a recognized world leader in the manufacture of geotechnical and structural instrumentation.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: instrumentation software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names instrumentation software companies.
Partial evidence: Its own public description names part of instrumentation software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name instrumentation software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 469 instrumentation software companies based in the United States

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Instrumentation software companies based in the United States at a glance

As of Sep 28, 2026

33.4%Verified-email coverage

56.7Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

199

11-50

168

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 469 companies.

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 instrumentation software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “instrumentation software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names instrumentation software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among instrumentation 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 its RevenueBase Smart Search 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, 8,870 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 28, 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

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names instrumentation software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many instrumentation software companies are there based in the United States?

RevenueBase identified 469 instrumentation 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?

NI National Instruments, headquartered in Austin, tops this list with the largest team on record.

Which city has the most instrumentation software companies?

Houston leads with 11 headquartered companies, followed by San Diego (7) and Austin (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 8,870 verified decision-maker contacts tracked across these 469 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 28, 2026.

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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 Smart Search, 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.