Company lists · Data refreshed November 2026

Top 25 Transformer oil analysis services based in the United States

RevenueBase identified 64 company matches for transformer oil analysis services associated with the United States as of November 2026 and tracks 1,360 professional contacts across them, including 499 with verified work emails. Houston is the largest hub.

This list covers company matches for transformer oil analysis services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
64Companies
1,360Contacts tracked
499Verified emails
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The 25 largest transformer oil analysis services based in the United States

Ranked by team size
Top 25 of 64 company matches for transformer oil analysis services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchTallmadge, OH, United StatesHQ recorded Nov 6, 2026201-500219 contacts →

Exact match

“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMontgomery, AL, United StatesHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“HD Hyundai Power Transformers USA, Inc, a subsidiary of HD Hyundai Electric Systems, stands as a premier transformer manufacturer located in Montgomery, Alabama.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMckinney, AZ, United StatesHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Oilfield Labs of America is an analytical laboratory network with a business goal and mission of providing the highest quality analytical testing in the fastest time possible to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKinder, LA, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Oil Clinic Inc is a health, wellness and fitness company based out of 1125 3rd Ave, Kinder, Louisiana, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLouisville, OH, United StatesHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Excelling with experience dating back to the 1970's, while continuously adopting the latest technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Aviation Laboratories (AvLab) provides state of the art laboratory testing services and products to the aviation industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchThorofare, NJ, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“NMK Resources is a distinguished independent inspection and laboratory service provider, trusted by major oil companies across the United States and globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDallas, United StatesHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Electrical measurement company Megger continues its expansion into on-line monitoring and added-value services for electrical power utilities with this acquisition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNephi, UT, United StatesHQ recorded Nov 6, 20261-1021 contacts →

Exact match

“UTB is among the top dealers of liquid filled electrical transformers in the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchYork, PA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“MRG Labs provides advanced analysis coupled with high value reporting that enables some of the most proactive industrial predictive maintenance programming available.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCary, NC, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“The oil speaks.WearCheck listens.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKearny, NJ, United StatesHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“G&S Technologies, part of the G&S Family of Companies, is the North American leader in the removal, recycling, disposal and repair of transformers and other oil-filled electrical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSpokane, WA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Oil Analysis Lab Inc is a full service Oil, Fuel, Filter and Grease analysis laboratory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSouth Houston, TX, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“We play a key role in your company's conditioned based or preventive maintenance program.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“When your transformer is down or not performing as it should, it's not just an inconvenience-it's a cost to your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHudson, NY, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“TCI of NY is your one-stop solution for recycling, disposal and repair of transformers and other oil-filled electrical equipment, bulk and drummed oils and PILC cable, as well as…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSterling, VA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Fluids condition monitoring of heavy duty, high performance engines and equipment is the fundamental area of our institutional knowledge and expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFort Wayne, IN, United StatesHQ recorded Nov 6, 202611-505 contacts →

Exact match

“SESCO is a major supplier of a wide range of mobile transformer vacuum processing and mobile dielectric fluid filling, filtration, conditioning, and regeneration equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChesterfield, MO, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

“D4EnergySolutions – Capabilities Overview D4EnergySolutions brings together a team of veteran transformer consultants to support critical power projects with unmatched field and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchReno, NV, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Native American Transformer Services provide all services required through a transformers entire life-cycle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKansas City, KS, United StatesHQ recorded Nov 6, 202651-2004 contacts →

Exact match

“Environmental Management of KC, LLC (EMI) was founded in 1997 in Kansas City, Kansas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHenderson, CO, United StatesHQ recorded Nov 6, 202651-2004 contacts →

Exact match

“THE BEST CHOICE IN FLUIDS ANALYSIS Titan Laboratories provides Oil, Coolant and Diesel Fuel Analysis in all 50 states and 7 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Better Service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 64 transformer oil analysis services based in the United States

See the full list, filter by size, metro and specialty, and access 499 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer oil analysis services based in the United States at a glance

As of Nov 6, 2026
36.7%Verified-email coverage
21.2Average contacts per company
11-50Median size (employees)
4.7%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
25
51-200
13
201-500
3

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 64 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with the United States whose business descriptions match “transformer oil analysis services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 499 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “transformer oil analysis services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer oil analysis services are there based in the United States?

RevenueBase identified 64 company matches for transformer oil analysis services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sdmyers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most transformer oil analysis services?

Houston leads with 3 company records, followed by Canton (2) and Aurora (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 499 professional contacts with verified work emails tracked across these 64 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 64 transformer oil analysis services based in the United States. Start with a free account, no credit card.

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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 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.