Company lists · Data refreshed November 2026
Top 25 Six sigma certification services based in the United States
RevenueBase identified 167 company matches for six sigma certification services associated with the United States as of November 2026 and tracks 1,031 professional contacts across them, including 171 with verified work emails. Atlanta is the largest hub.
This list covers company matches for six sigma certification 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 1, 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.
The 25 largest six sigma certification services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 166 contacts → | ||||
Exact match “Lean Six Sigma Institute provides comprehensive training and consulting services designed to help organizations navigate the challenges of today’s global marketplace.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 2 | 42 contacts → | ||||
Exact match “The Management and Strategy Institute serves individuals and businesses who wish to advance their knowledge in business related skills.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 3 | 40 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 1, 2026 · View company records in RevenueBase | |||||
| 4 | 28 contacts → | ||||
Exact match “The world leader in online Lean and Six Sigma training.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 5 | 22 contacts → | ||||
Exact match “Six Sigma.us offers online, onsite and open enrollment six sigma training and six sigma certification in Green Belt, Black Belt, Master Black Belt, Champion and Lean Agent…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 6 | 18 contacts → | ||||
Exact match “Where people and intelligent transformation meet.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 7 | 16 contacts → | ||||
Exact match “At Firefly Consulting, we provide custom solutions, leveraging unique methodologies.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match “GLSS empowers everyone with Ethical Efficiency™.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “Meliora Partners provides continuous improvement expertise to small, mid-sized, and large companies with service offerings including improvement project coaching & support…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 10 | 12 contacts → | ||||
Exact match “We provide customized staffing solutions that strengthen workforce capabilities, improve performance, and support organizational growth.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “Since 1986, QC Training Services, Inc, has provided public and on-site training seminars, workshops and quality consultation to customers across North America.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “By preventing failure, we can help avoid warranty claims, costly repairs and embarrassment.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Get results in half the time.” This is the vision of RCI Consulting.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “We are a global leader in providing Lean Six Sigma, Lean, Change Management, and Project Leadership training, coaching, and consulting solutions.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “For 20 years, WGA has been training and certifying over professionals to be great leaders of teams.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Quality Consulting ASI Consulting Group: Global leader and pioneer in Quality Improvement for more than 30 years, specializing in Six Sigma, Design for Six Sigma (DFSS), Quality…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Since 1982: the art and science to improve your bottom line.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 18 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “GELRAD is a global consulting company specialising in problem solving and business transformation, using Lean Six Sigma, Change Acceleration, and DFSS.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “The International Association for Six Sigma Certification (IASSC) is a member organization dedicated to growing and enhancing the standards within the Lean Six Sigma Community.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Lean Alaska was founded in 2019, as a response to the overwhelming demand and need for Lean Six Sigma (LSS) training in Alaska.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “We are a provider of Lean Six Sigma onsite services and business consulting for the healthcare field as well as other industries.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “SSDSI is a trusted IASSC Accredited Organization committed to empowering professionals and organizations with world-class Lean Six Sigma certification training.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “ETI Group is a leading management consulting firm specializing in Process Management and Improvement.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “We are a premier provider of continuous improvement (CI) services focused on the tri-state area of Pennsylvania, New Jersey, and Delaware.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “six sigma certification services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 167 six sigma certification services based in the United States
See the full list, filter by size, metro and specialty, and access 171 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Six sigma certification services based in the United States at a glance
As of Nov 1, 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 167 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 “six sigma certification 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 171 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 1, 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 “six sigma certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many six sigma certification services are there based in the United States?
RevenueBase identified 167 company matches for six sigma certification 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?
Lean SIX Sigma Institute tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most six sigma certification services?
Atlanta leads with 6 company records, followed by Scottsdale (5) and Londonderry (4).
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 171 professional contacts with verified work emails tracked across these 167 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 167 six sigma certification services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Six sigma certification services 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Six sigma certification services based in Brazil
- Six sigma certification services based in Canada
- Six sigma certification services based in India
- Six sigma certification services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 six sigma certification services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 167 matching company records for six sigma certification services based in the United States, with 1,031 tracked contacts and 171 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 six sigma certification services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Lean SIX Sigma Instituteleansixsigmainstitute.orgHQ: Coronado, CA, United StatesReported employees: 51-200 | Coronado, CA, United States | 51-200 | Exact match | 166 contacts → |
“Lean Six Sigma Institute provides comprehensive training and consulting services designed to help organizations navigate the challenges of today’s global marketplace.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Management & Strategy Institutemsicertified.com HQ: Downingtown, PA, United StatesReported employees: 11-50 | Downingtown, PA, United States | 11-50 | Exact match | 42 contacts → |
“The Management and Strategy Institute serves individuals and businesses who wish to advance their knowledge in business related skills.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Moresteammoresteam.comHQ: Powell, OH, United StatesReported employees: 11-50 | Powell, OH, United States | 11-50 | Exact match | 40 contacts → |
“Get the latest insights on Lean Six Sigma, process modeling, and continuous improvement delivered straight to your inbox.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gemba Academygembaacademy.comHQ: Keller, TX, United StatesReported employees: 11-50 | Keller, TX, United States | 11-50 | Exact match | 28 contacts → |
“The world leader in online Lean and Six Sigma training.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  sixsigma.us6sigma.usHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 22 contacts → |
“Six Sigma.us offers online, onsite and open enrollment six sigma training and six sigma certification in Green Belt, Black Belt, Master Black Belt, Champion and Lean Agent…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Opusworksopusworks.comHQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 18 contacts → |
“Where people and intelligent transformation meet.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Firefly Consultingfirefly-consulting.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 16 contacts → |
“At Firefly Consulting, we provide custom solutions, leveraging unique methodologies.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Glss Goleansixsigma.comgoleansixsigma.comHQ: Waianae, HI, United StatesReported employees: 1-10 | Waianae, HI, United States | 1-10 | Exact match | 15 contacts → |
“GLSS empowers everyone with Ethical Efficiency™.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Meliora Partnersmymeliora.comHQ: Amherst, NY, United StatesReported employees: 11-50 | Amherst, NY, United States | 11-50 | Exact match | 14 contacts → |
“Meliora Partners provides continuous improvement expertise to small, mid-sized, and large companies with service offerings including improvement project coaching & support…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Modern Kaizen LLCmodernkaizen.comHQ: Murrieta, CA, United StatesReported employees: 1-10 | Murrieta, CA, United States | 1-10 | Exact match | 12 contacts → |
“We provide customized staffing solutions that strengthen workforce capabilities, improve performance, and support organizational growth.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  QC Training Servicesqctraininginc.comHQ: Minneapolis, MN, United StatesReported employees: 11-50 | Minneapolis, MN, United States | 11-50 | Exact match | 11 contacts → |
“Since 1986, QC Training Services, Inc, has provided public and on-site training seminars, workshops and quality consultation to customers across North America.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Quality-One Internationalquality-one.comHQ: Clawson, MI, United StatesReported employees: 1-10 | Clawson, MI, United States | 1-10 | Exact match | 10 contacts → |
“By preventing failure, we can help avoid warranty claims, costly repairs and embarrassment.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  RCI Consultingrapidci.comHQ: Coppell, United StatesReported employees: 1-10 | Coppell, United States | 1-10 | Exact match | 9 contacts → |
“Get results in half the time.” This is the vision of RCI Consulting.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Acuity Instituteacuityinstitute.comHQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 8 contacts → |
“We are a global leader in providing Lean Six Sigma, Lean, Change Management, and Project Leadership training, coaching, and consulting solutions.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | William George Associateswilliamgeorge.net HQ: Burlington, MA, United StatesReported employees: 11-50 | Burlington, MA, United States | 11-50 | Exact match | 8 contacts → |
“For 20 years, WGA has been training and certifying over professionals to be great leaders of teams.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ASI Consulting Group, LLCasiusa.com HQ: Bingham Farms, MI, United StatesReported employees: 51-200 | Bingham Farms, MI, United States | 51-200 | Exact match | 7 contacts → |
“Quality Consulting ASI Consulting Group: Global leader and pioneer in Quality Improvement for more than 30 years, specializing in Six Sigma, Design for Six Sigma (DFSS), Quality…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Quality America, INCqualityamerica.com HQ: Tucson, AZ, United StatesReported employees: 11-50 | Tucson, AZ, United States | 11-50 | Exact match | 7 contacts → |
“Since 1982: the art and science to improve your bottom line.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vrds, INCvrds.com HQ: Lehigh Valley, PA, United StatesReported employees: 1-10 | Lehigh Valley, PA, United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Gelradgelrad.comHQ: Longboat Key, FL, United StatesReported employees: 51-200 | Longboat Key, FL, United States | 51-200 | Exact match | 6 contacts → |
“GELRAD is a global consulting company specialising in problem solving and business transformation, using Lean Six Sigma, Change Acceleration, and DFSS.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Phoenix, AZ, United StatesReported employees: 11-50 | Phoenix, AZ, United States | 11-50 | Exact match | 6 contacts → |
“The International Association for Six Sigma Certification (IASSC) is a member organization dedicated to growing and enhancing the standards within the Lean Six Sigma Community.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lean Alaskaleanalaska.com HQ: Palmer, AK, United StatesReported employees: 1-10 | Palmer, AK, United States | 1-10 | Exact match | 5 contacts → |
“Lean Alaska was founded in 2019, as a response to the overwhelming demand and need for Lean Six Sigma (LSS) training in Alaska.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 6sigmatek LLC6sigmatek.com HQ: Concord, NC, United StatesReported employees: 1-10 | Concord, NC, United States | 1-10 | Exact match | 5 contacts → |
“We are a provider of Lean Six Sigma onsite services and business consulting for the healthcare field as well as other industries.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SIX Sigma Development Solutions, INCsixsigmadsi.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 5 contacts → |
“SSDSI is a trusted IASSC Accredited Organization committed to empowering professionals and organizations with world-class Lean Six Sigma certification training.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ETI Group USAetigroupusa.com HQ: Camas, WA, United StatesReported employees: 11-50 | Camas, WA, United States | 11-50 | Exact match | 5 contacts → |
“ETI Group is a leading management consulting firm specializing in Process Management and Improvement.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  CI Consulting Services, LLCciconsultingservices.comHQ: Suburban Philadelphia, PA, United StatesReported employees: 1-10 | Suburban Philadelphia, PA, United States | 1-10 | Exact match | 5 contacts → |
“We are a premier provider of continuous improvement (CI) services focused on the tri-state area of Pennsylvania, New Jersey, and Delaware.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 167 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Six sigma certification services: dataset insights
November 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
167 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 167 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for six sigma certification services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many six sigma certification services did RevenueBase find based in the United States?
The saved snapshot records 167 matching company records, 1,031 tracked contacts and 171 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Six sigma certification services by geography
Cite this list
RevenueBase Data Team. Top 25 six sigma certification services based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/six-sigma-certification-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Six sigma certification services based in Brazil
- Six sigma certification services based in Canada
- Six sigma certification services based in India
- Six sigma certification services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 six sigma certification services based in the United States
RevenueBase records 167 matching company records for six sigma certification services based in the United States, with 1,031 tracked contacts and 171 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 six sigma certification services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Lean SIX Sigma Instituteleansixsigmainstitute.org HQ: Coronado, CA, United StatesReported employees: 51-200 | Coronado, CA, United States | 51-200 | Exact match | 166 contacts → |
“Lean Six Sigma Institute provides comprehensive training and consulting services designed to help organizations navigate the challenges of today’s global marketplace.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Management & Strategy Institutemsicertified.com HQ: Downingtown, PA, United StatesReported employees: 11-50 | Downingtown, PA, United States | 11-50 | Exact match | 42 contacts → |
“The Management and Strategy Institute serves individuals and businesses who wish to advance their knowledge in business related skills.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Moresteammoresteam.com HQ: Powell, OH, United StatesReported employees: 11-50 | Powell, OH, United States | 11-50 | Exact match | 40 contacts → |
“Get the latest insights on Lean Six Sigma, process modeling, and continuous improvement delivered straight to your inbox.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gemba Academygembaacademy.com HQ: Keller, TX, United StatesReported employees: 11-50 | Keller, TX, United States | 11-50 | Exact match | 28 contacts → |
“The world leader in online Lean and Six Sigma training.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | sixsigma.us6sigma.us HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 22 contacts → |
“Six Sigma.us offers online, onsite and open enrollment six sigma training and six sigma certification in Green Belt, Black Belt, Master Black Belt, Champion and Lean Agent…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Opusworksopusworks.com HQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 18 contacts → |
“Where people and intelligent transformation meet.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Firefly Consultingfirefly-consulting.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 16 contacts → |
“At Firefly Consulting, we provide custom solutions, leveraging unique methodologies.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Glss Goleansixsigma.comgoleansixsigma.com HQ: Waianae, HI, United StatesReported employees: 1-10 | Waianae, HI, United States | 1-10 | Exact match | 15 contacts → |
“GLSS empowers everyone with Ethical Efficiency™.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Meliora Partnersmymeliora.com HQ: Amherst, NY, United StatesReported employees: 11-50 | Amherst, NY, United States | 11-50 | Exact match | 14 contacts → |
“Meliora Partners provides continuous improvement expertise to small, mid-sized, and large companies with service offerings including improvement project coaching & support…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Modern Kaizen LLCmodernkaizen.com HQ: Murrieta, CA, United StatesReported employees: 1-10 | Murrieta, CA, United States | 1-10 | Exact match | 12 contacts → |
“We provide customized staffing solutions that strengthen workforce capabilities, improve performance, and support organizational growth.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | QC Training Servicesqctraininginc.com HQ: Minneapolis, MN, United StatesReported employees: 11-50 | Minneapolis, MN, United States | 11-50 | Exact match | 11 contacts → |
“Since 1986, QC Training Services, Inc, has provided public and on-site training seminars, workshops and quality consultation to customers across North America.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Quality-One Internationalquality-one.com HQ: Clawson, MI, United StatesReported employees: 1-10 | Clawson, MI, United States | 1-10 | Exact match | 10 contacts → |
“By preventing failure, we can help avoid warranty claims, costly repairs and embarrassment.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RCI Consultingrapidci.com HQ: Coppell, United StatesReported employees: 1-10 | Coppell, United States | 1-10 | Exact match | 9 contacts → |
“Get results in half the time.” This is the vision of RCI Consulting.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Acuity Instituteacuityinstitute.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 8 contacts → |
“We are a global leader in providing Lean Six Sigma, Lean, Change Management, and Project Leadership training, coaching, and consulting solutions.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | William George Associateswilliamgeorge.net HQ: Burlington, MA, United StatesReported employees: 11-50 | Burlington, MA, United States | 11-50 | Exact match | 8 contacts → |
“For 20 years, WGA has been training and certifying over professionals to be great leaders of teams.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ASI Consulting Group, LLCasiusa.com HQ: Bingham Farms, MI, United StatesReported employees: 51-200 | Bingham Farms, MI, United States | 51-200 | Exact match | 7 contacts → |
“Quality Consulting ASI Consulting Group: Global leader and pioneer in Quality Improvement for more than 30 years, specializing in Six Sigma, Design for Six Sigma (DFSS), Quality…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Quality America, INCqualityamerica.com HQ: Tucson, AZ, United StatesReported employees: 11-50 | Tucson, AZ, United States | 11-50 | Exact match | 7 contacts → |
“Since 1982: the art and science to improve your bottom line.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vrds, INCvrds.com HQ: Lehigh Valley, PA, United StatesReported employees: 1-10 | Lehigh Valley, PA, United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Gelradgelrad.com HQ: Longboat Key, FL, United StatesReported employees: 51-200 | Longboat Key, FL, United States | 51-200 | Exact match | 6 contacts → |
“GELRAD is a global consulting company specialising in problem solving and business transformation, using Lean Six Sigma, Change Acceleration, and DFSS.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Phoenix, AZ, United StatesReported employees: 11-50 | Phoenix, AZ, United States | 11-50 | Exact match | 6 contacts → |
“The International Association for Six Sigma Certification (IASSC) is a member organization dedicated to growing and enhancing the standards within the Lean Six Sigma Community.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lean Alaskaleanalaska.com HQ: Palmer, AK, United StatesReported employees: 1-10 | Palmer, AK, United States | 1-10 | Exact match | 5 contacts → |
“Lean Alaska was founded in 2019, as a response to the overwhelming demand and need for Lean Six Sigma (LSS) training in Alaska.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 6sigmatek LLC6sigmatek.com HQ: Concord, NC, United StatesReported employees: 1-10 | Concord, NC, United States | 1-10 | Exact match | 5 contacts → |
“We are a provider of Lean Six Sigma onsite services and business consulting for the healthcare field as well as other industries.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SIX Sigma Development Solutions, INCsixsigmadsi.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 5 contacts → |
“SSDSI is a trusted IASSC Accredited Organization committed to empowering professionals and organizations with world-class Lean Six Sigma certification training.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ETI Group USAetigroupusa.com HQ: Camas, WA, United StatesReported employees: 11-50 | Camas, WA, United States | 11-50 | Exact match | 5 contacts → |
“ETI Group is a leading management consulting firm specializing in Process Management and Improvement.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CI Consulting Services, LLCciconsultingservices.com HQ: Suburban Philadelphia, PA, United StatesReported employees: 1-10 | Suburban Philadelphia, PA, United States | 1-10 | Exact match | 5 contacts → |
“We are a premier provider of continuous improvement (CI) services focused on the tri-state area of Pennsylvania, New Jersey, and Delaware.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 167 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Six sigma certification services: dataset insights
November 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
167 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 167 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for six sigma certification services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many six sigma certification services did RevenueBase find based in the United States?
The saved snapshot records 167 matching company records, 1,031 tracked contacts and 171 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Six sigma certification services by geography
Cite this list
RevenueBase Data Team. Top 25 six sigma certification services based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/six-sigma-certification-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Six sigma certification services based in Brazil
- Six sigma certification services based in Canada
- Six sigma certification services based in India
- Six sigma certification services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States