Company lists · Data refreshed November 2026

Top 25 Process improvement training firms based in the United States

RevenueBase identified 1,159 company matches for process improvement training firms associated with the United States as of November 2026 and tracks 11,079 professional contacts across them, including 1,652 with verified work emails. Atlanta is the largest hub.

This list covers company matches for process improvement training firms 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
1,159Companies
11,079Contacts tracked
1,652Verified emails
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The 25 largest process improvement training firms based in the United States

Ranked by team size
Top 25 of 1,159 company matches for process improvement training firms 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 matchSan Antonio, TX, United StatesHQ recorded Nov 6, 2026501-1,000336 contacts →

Exact match

“At OKIN Process, we won’t just lighten your workload.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

“GP Strategies™ Performance Readiness Group (formerly RWD Technologies) – In 2012, the GP Strategies Performance Readiness Solutions (PRS) Group was created to encompass the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a154 contacts →

Exact match

“Dale Carnegie Training® partners with middle market and large corporations as well as organizations to produce measurable business results by improving the performance of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAnn Arbor, MI, United StatesHQ recorded Nov 6, 2026501-1,000141 contacts →

Exact match

“Omnex Systems, LLC is headquartered in Ann Arbor, Michigan and provides software, training, implementation, staffing, projects and support to improve the quality of businesses…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“Vantage Partners is a consulting and training firm that helps companies innovate more quickly, execute with greater discipline, and collaborate more effectively, for sustained…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTulsa, OK, United StatesHQ recorded Nov 6, 2026201-500109 contacts →

Exact match

“Check-6 is the global performance improvement consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCambridge, MA, United StatesHQ recorded Nov 6, 202651-20090 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 202611-5077 contacts →

Exact match

“Business Transformation Services-Training -Project Management -Change Management -Operational/Process Improvements Industries of experience Automotive, Banking, Construction…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Lean Methods Group's experts have decades of experience while at BMGI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChantilly, FL, United StatesHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Established in 1995, Intelligent Decision Systems, Inc.(IDSI) is the a leading expert in the industry fields of human and organizational performance improvement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChula Vista, CA, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Since 1998, LSSI has trained over Lean Six Sigma professionals and helped more than 500 manufacturing, logistics, and service organizations from dozens of industries successfully…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“For over 20 years, 321Gang, LLC has helped organizations improve their ability to design and develop Systems and Software in highly-regulated industries in order to achieve better…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPowell, OH, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Get the latest insights on Lean Six Sigma, process modeling, and continuous improvement delivered straight to your inbox.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026n/a43 contacts →

Exact match

“For more than 25 years JD Williams Training has presented over 2500 employee productivity webinars and on site workshops that motivated, educated, & elevated more than employees…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSpringboro, OH, United StatesHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“The Phoenix Group Drives Process Improvement and Operational Excellence at Your Organization The Phoenix Group delivers lasting change with organizations we partner with.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Enterprise Management Systems Inc has take pride to claim that we are Innovation focused organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPlymouth, MA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“GBMP's customized approach to Continuous Improvement training is focused on the shop-floor, the office, or the clinic - that place where all of your company's value is created.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKeller, TX, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“The world leader in online Lean and Six Sigma training.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Different from most large firms, Kaeppel Consulting offers customized solutions to meet your needs without all the overhead.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAlpharetta, NC, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Competitive Solutions, Inc.(CSI) is a global consulting and software firm that helps organizations turn strategy into consistent execution through leadership systems, operational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNewnan, GA, United StatesHQ recorded Nov 6, 20261-1025 contacts →

Exact match

“At Kirkpatrick Partners, we train corporate, government, military and humanitarian organization trainers a framework so that whatever content they are teaching gets used on the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNorth Kingstown, RI, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Duggan Associates is an international training and advisory firm specializing in Operational Excellence through advanced Value Stream Design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFrisco, TX, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Trinity is a business process improvement company that has been in business 25+ years and have deployed of solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchChardon, OH, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Radcom believes if you want to improve business performance, you need to focus on helping your people succeed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPomona, CA, United StatesHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“We understand the importance of excellent leadership and quality management in today's businesses, and we are here to provide our clients with the best training and consulting…”

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

Showing 25 of 1,159 process improvement training firms based in the United States

See the full list, filter by size, metro and specialty, and access 1,652 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Process improvement training firms based in the United States at a glance

As of Nov 6, 2026
14.9%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · Atlanta
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
883
11-50
220
51-200
31
201-500
9
501-1,000
7
1,001-5,000
4
5,001-10,000
2
10001+
1

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 1,159 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 “process improvement training firms” 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 1,652 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.

Process improvement training firms by metro

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 “process improvement training firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many process improvement training firms are there based in the United States?

RevenueBase identified 1,159 company matches for process improvement training firms 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?

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

Which city has the most process improvement training firms?

Atlanta leads with 32 company records, followed by Houston (26) and Chicago (23).

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 1,652 professional contacts with verified work emails tracked across these 1,159 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.

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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.