Company lists · Data refreshed September 2026

Top 25 Lean manufacturing consultants based in the United States

Name: Lean manufacturing consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,773 companies tracked

RevenueBase identified 1,773 company matches for lean manufacturing consultants associated with the United States as of September 2026 and tracks 9,123 professional contacts across them, including 2,459 with verified work emails. Houston is the largest hub.

This list covers company matches for lean manufacturing consultants 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 September 17, 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 Sep 17, 2026 How this list was built

1,773Companies

9,123Contacts tracked

2,459Verified emails

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The 25 largest lean manufacturing consultants based in the United States

Ranked by team size

Top 25 of 1,773 company matches for lean manufacturing consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Okin Process	Exact match	San Antonio, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	310 contacts →
	Exact match “At OKIN Process, we won’t just lighten your workload.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Production Services Management INC	Exact match	Saline, MI, United StatesHQ recorded Sep 17, 2026	201-500	273 contacts →
	Exact match “PSMI was founded in 2005 with the sole objective of increasing operational effectiveness by reducing tooling and MRO spending.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Graymatter	Exact match	Sewickley, PA, United StatesHQ recorded Sep 17, 2026	201-500	243 contacts →
	Exact match “At GrayMatter, smart thinking meets decisive doing.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	USC Consulting Group	Exact match	Tampa, FL, United StatesHQ recorded Sep 17, 2026	51-200	204 contacts →
	Exact match “USC Consulting Group (USCCG) is an operations management and process improvement firm that empowers your people.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Compulink	Exact match	St. Petersburg, FL, United StatesHQ recorded Sep 17, 2026	201-500	189 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	TBM Consulting Group	Exact match	Morrisville, NC, United StatesHQ recorded Sep 17, 2026	51-200	163 contacts →
	Exact match “TBM specializes in operations and supply chain consulting for manufacturers and distributors across sectors such as Food & Beverage, Pharmaceutical, Industrial Products…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	ITAC	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	n/a	150 contacts →
	Exact match “ITAC is a leading consulting organization located in New York City.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	EAC Product Development Solutions	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 17, 2026	51-200	110 contacts →
	Exact match “At EAC Product Development Solutions, we are dedicated to transforming the way companies design, manufacture, connect to, and service their products.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Polytron, INC	Exact match	Duluth, GA, United StatesHQ recorded Sep 17, 2026	51-200	109 contacts →
	Exact match “In today's manufacturing landscape, there are abundant opportunities to enhance performance; but finding the time and resources in-house can be challenging.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Munro & Associates	Exact match	Auburn Hills, MI, United StatesHQ recorded Sep 17, 2026	51-200	89 contacts →
	Exact match “Munro is an engineering consulting firm with a design-first approach.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Cornerstone Consulting Organization	Exact match	Toledo, OH, United StatesHQ recorded Sep 17, 2026	201-500	81 contacts →
	Exact match “Cornerstone Consulting Organization (CCO) provides enterprise strategy and operations and manufacturing systems solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Iet, Inc. Industrial Engineering & Consulting	Exact match	Toledo, OH, United StatesHQ recorded Sep 17, 2026	51-200	78 contacts →
	Exact match “IET is a full-service industrial and manufacturing engineering service and consulting firm established in 1989.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Altrium	Exact match	New York, NY, United StatesHQ recorded Sep 17, 2026	51-200	77 contacts →
	Exact match “Founded in 2022 by a team of software engineering veterans, Altrium stands at the intersection of technology and business needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Fiúnex	Exact match	Edison, NJ, United StatesHQ recorded Sep 17, 2026	51-200	75 contacts →
	Exact match “We are highly specialized profit improvement operation consulting and engineering services firm which has a proven track record in flawless execution of projects in over 25…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Lean Focus	Exact match	La Jolla, CA, United StatesHQ recorded Sep 17, 2026	51-200	74 contacts →
	Exact match “Every business has the same goal in mind: an increased bottom line.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Next Level Partners , LLC	Exact match	Naples, FL, United StatesHQ recorded Sep 17, 2026	51-200	73 contacts →
	Exact match “NEXT LEVEL Partners® is much more than a consulting firm, we’re your partner in creating self-sustaining capability through Business Enterprise Transformation, Knowledge…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	FTE Factory Advisors	Exact match	Troy, MI, United StatesHQ recorded Sep 17, 2026	11-50	62 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Powers	Exact match	Atlanta, GA, United StatesHQ recorded Sep 17, 2026	51-200	57 contacts →
	Exact match “POWERS is an Atlanta-based management consulting firm that helps manufacturers and service operations convert strategy into measurable floor-level results.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Lean Enterprise Institute	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	57 contacts →
	Exact match “The nonprofit Lean Enterprise Institute (LEI) helps companies and people make things better through lean thinking and practice.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Arista Consulting LLC	Exact match	Canton, MI, United StatesHQ recorded Sep 17, 2026	11-50	49 contacts →
	Exact match “Your plant managers didn't sign up to fight software.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Allserv	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	43 contacts →
	Exact match “At ALLSERV, we help companies reduce inventory costs, improve warehouse operations, and enhance asset availability through expert consulting and data-driven solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Process Research & Optimization	Exact match	Bonita Springs, FL, United StatesHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “Process Research & Optimization (PRO) is an international consulting firm dedicated to unlocking our clients’ growth potential and profitability through process innovation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Tormod, A Hargrove Company	Exact match	Mobile, AL, United StatesHQ recorded Sep 17, 2026	201-500	41 contacts →
	Exact match “Tormod exists to help manufacturing leaders run great plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	CREAN	Exact match	Austin, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	41 contacts →
	Exact match “Headquartered in Austin, TX, our team provides Hands On Engineering Services and Smart Factory Transformation services to Fortune 100 and Fortune clients in these key areas…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Stroud International	Exact match	Marblehead, MA, United StatesHQ recorded Sep 17, 2026	11-50	40 contacts →
	Exact match “Are you a manufacturing or operations leader who is tired of hearing excuses like these for a lack of tangible progress?” Recorded in the RevenueBase company graph · Sep 17, 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 “lean manufacturing consultants”. 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 1,773 lean manufacturing consultants based in the United States

See the full list, filter by size, metro and specialty, and access 2,459 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lean manufacturing consultants based in the United States at a glance

As of Sep 17, 2026

27.0%Verified-email coverage

5.1Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

1,436

11-50

258

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,773 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 “lean manufacturing consultants” 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 2,459 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 September 17, 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.

Lean manufacturing consultants 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 “lean manufacturing consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lean manufacturing consultants are there based in the United States?

RevenueBase identified 1,773 company matches for lean manufacturing consultants associated with the United States as of September 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 lean manufacturing consultants?

Houston leads with 43 company records, followed by Atlanta (40) and New York (38).

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 2,459 professional contacts with verified work emails tracked across these 1,773 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 September 17, 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.