Company lists · Data refreshed September 2026
Top 25 Thermal imaging services companies based in the United States
RevenueBase identified 402 thermal imaging services companies headquartered in the United States as of September 2026 and tracks 6,989 professional contacts across them, including 3,043 with verified work emails. Houston is the largest hub.
This list covers thermal imaging services 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 22, 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.
The 25 largest thermal imaging services companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,739 contacts → | ||||
Indirect evidence “Teledyne FLIR designs, develops, manufactures, markets, and distributes technologies that enhance perception and awareness.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 890 contacts → | ||||
Indirect evidence “Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 356 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 274 contacts → | ||||
Indirect evidence “Structural Integrity Associates is the most-trusted provider of proven engineering services for the energy and process industries.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 226 contacts → | ||||
Indirect evidence “The TechCorr name is synonymous with safe, quality inspection services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 151 contacts → | ||||
Indirect evidence “About Us Cutting-edge technologies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 149 contacts → | ||||
Indirect evidence “Insight.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 149 contacts → | ||||
Indirect evidence “QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 142 contacts → | ||||
Indirect evidence “Based in Houston, Taurus Industrial Group (Taurus) is a leading, integrated and industry diversified technical services company offering end-to-end services across multiple…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 127 contacts → | ||||
Indirect evidence “Since 1967, Rothe has delivered precision-driven solutions in calibration & metrology, engineering, and IT services to a wide range of commercial and industrial sectors.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 94 contacts → | ||||
Indirect evidence “MISTRAS is a leading "one source" global provider of technology-enabled asset protection solutions used to evaluate the structural integrity of critical energy, industrial and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 91 contacts → | ||||
Indirect evidence “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 90 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 63 contacts → | ||||
Strong evidence “Seek Thermal engineers and manufactures low-cost, high-resolution thermal imaging cameras and OEM thermal cores.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 58 contacts → | ||||
Indirect evidence “Keeping inspections on schedule while ensuring compliance and safety is a challenge-especially when equipment failures, inadequate training, or delayed repairs slow you down.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 51 contacts → | ||||
Indirect evidence “Olivier International offers a broad range of services in the fields of Non-Destructive Examination, Asset Integrity, Engineering, Consulting, and Code Compliance services to the…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 51 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 50 contacts → | ||||
Indirect evidence “Contact Information: 877-816-9081 info@americanefficiency.com AES is your source for safe, superior, guaranteed Leak Detection, Tube Cleaning, and Industrial Inspections.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 46 contacts → | ||||
Indirect evidence “CATSI is a leading provider of specialized inspection and technical services, primarily serving the oil and gas, pipeline, chemical, metals, and power industries.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 43 contacts → | ||||
Partial evidence “Founded in 2014, Calumino pioneers transformative thermal sensing technology, redefining industries with insights and control.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 41 contacts → | ||||
Indirect evidence “The World's Sixth Sense FLIR Systems, Inc.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 40 contacts → | ||||
Strong evidence “Sierra-Olympia Technologies is a leader in infrared imaging solutions, partnering with customers to design, build, and sustain advanced thermal systems for demanding programs and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 37 contacts → | ||||
Partial evidence “Since 1918 Federal has been a leading thermal solutions provider in the Midwest.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 34 contacts → | ||||
Partial evidence “The Snell Group’s mission is to help you leverage Infrared Thermography (IR) and Electric Motor Testing (EMT) whether your interest is condition monitoring, building applications…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 34 contacts → | ||||
Indirect evidence “Founded in 2014, Factory Technologies, Inc.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
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: thermal imaging services 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 thermal imaging services companies.
- Partial evidence
- Its own public description names part of thermal imaging services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name thermal imaging services 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 402 thermal imaging services companies based in the United States
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Thermal imaging services companies based in the United States at a glance
As of Sep 22, 2026Companies by employee count
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 402 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 thermal imaging services 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 “thermal imaging services 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 thermal imaging services 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 thermal imaging services 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, 3,043 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 22, 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 thermal imaging services 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 thermal imaging services companies are there based in the United States?
RevenueBase identified 402 thermal imaging services 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?
Teledyne Flir, headquartered in Wilsonville, tops this list with the largest team on record.
Which city has the most thermal imaging services companies?
Houston leads with 19 headquartered companies, followed by New York (5) and Pasadena (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 3,043 verified decision-maker contacts tracked across these 402 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 22, 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.
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