Company lists · Data refreshed September 2026
Top 25 Lean manufacturing consulting firms based in the United States
RevenueBase identified 1,548 lean manufacturing consulting firms headquartered in the United States as of September 2026 and tracks 7,437 professional contacts across them, including 1,961 with verified work emails and 2,970 with mobile numbers. Houston is the largest hub.
This list covers lean manufacturing consulting firms 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 lean manufacturing consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | SkenderIndirect evidence | 272 | |||
“The premier construction experience.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 189 | ||||
“Compulink is a performance based company that is focused on continuous improvement in our practices and procedures as well as the quality of service to our customers.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 150 | ||||
“ITAC is a leading consulting organization located in New York City.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | Polytron, INCPartial evidence | 106 | |||
“In today's manufacturing landscape, there are abundant opportunities to enhance performance; but finding the time and resources in-house can be challenging.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 81 | ||||
“Cornerstone Consulting Organization (CCO) provides enterprise strategy and operations and manufacturing systems solutions.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 80 | ||||
“IET is a full-service industrial and manufacturing engineering service and consulting firm established in 1989.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | Next Level Partners , LLCPartial evidence | 74 | |||
“NEXT LEVEL Partners® is much more than a consulting firm, we’re your partner in creating self-sustaining capability through Business Enterprise Transformation, Knowledge…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 61 | ||||
“Factory Advisors | Operational Excellence Starts on the Factory Floor We don’t act like typical consultants, and we don’t want to be mistaken for them.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | Lean Enterprise InstitutePartial evidence | 58 | |||
“The nonprofit Lean Enterprise Institute (LEI) helps companies and people make things better through lean thinking and practice.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | NJMEPPartial evidence | 56 | |||
“New Jersey Manufacturing Extension Program, Inc.(NJMEP) is a not-for-profit organization that works with New Jersey’s small to mid-sized businesses to help them improve their…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | PowersPartial evidence | 56 | |||
“POWERS is an Atlanta-based management consulting firm that helps manufacturers and service operations convert strategy into measurable floor-level results.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 56 | ||||
“At Brecham Group, we believe your supply chain operations should be a powerful competitive advantage, not a source of inefficiency or frustration.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 49 | ||||
“Your plant managers didn't sign up to fight software.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 48 | ||||
“The Association for Manufacturing Excellence (AME), is a not-for-profit organization founded in 1985 dedicated to helping companies with continuous improvement and their pursuit…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | TenzingPartial evidence | 45 | |||
“Tenzing is a boutique consulting firm delivering measurable results-not decks.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | Tormod, A Hargrove CompanyPartial evidence | 42 | |||
“Tormod exists to help manufacturing leaders run great plants.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | Process Research & OptimizationPartial evidence | 41 | |||
“Process Research & Optimization (PRO) is an international consulting firm dedicated to unlocking our clients’ growth potential and profitability through process innovation.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 38 | ||||
“Streamliners is a management consulting firm specialized in rapid efficiency improvements, operational excellence and fast turnaround for manufacturing and service industries…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | The Phoenix Group, Springboro OhioIndirect evidence | 36 | |||
“The Phoenix Group Drives Process Improvement and Operational Excellence at Your Organization The Phoenix Group delivers lasting change with organizations we partner with.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 33 | ||||
“Apperture Solutions is a consulting and implementation services firm.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | BMAStrong evidence | 32 | |||
“BMA is the world’s leading lean accounting training and consulting firm.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 31 | ||||
“GABLETEK understands productivity and efficiency play key roles in an efficient production environment.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | Kaeppel Consulting, LLCPartial evidence | 31 | |||
“Different from most large firms, Kaeppel Consulting offers customized solutions to meet your needs without all the overhead.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | Temenos AgilityStrong evidence | 31 | |||
“Temenos+Agility is a global consulting firm specializing in Lean-Agile, Enterprise Agility, Change Agent Programs and Leadership Transformation.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | 28 | ||||
“Kaizen Institute North America provides Lean Continuous Improvement Consulting and Integrated Project Services to organizations across North America.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 1,548 lean manufacturing consulting firms based in the United States
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Lean manufacturing consulting firms based in the United States at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
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 lean manufacturing consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “lean manufacturing consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among lean manufacturing consulting firms, 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 an evidence 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, 1,961 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 4, 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.
Lean manufacturing consulting firms by metro
- Lean manufacturing consulting firms in Houston42
- Lean manufacturing consulting firms in Atlanta35
- Lean manufacturing consulting firms in Dallas29
Frequently asked
How many lean manufacturing consulting firms are there based in the United States?
RevenueBase identified 1,548 lean manufacturing consulting firms 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?
Skender, headquartered in Indianapolis, tops this list with the largest team on record.
Which city has the most lean manufacturing consulting firms?
Houston leads with 42 headquartered companies, followed by Atlanta (35) and Dallas (29).
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 1,961 verified decision-maker contacts tracked across these 1,548 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 4, 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.
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