Company lists · Data refreshed September 2026

Top 25 Diversified manufacturing companies based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 812 companies tracked

RevenueBase identified 812 diversified manufacturing companies headquartered in the United States as of September 2026 and tracks 65,064 professional contacts across them, including 13,655 with verified work emails. Houston is the largest hub.

This list covers diversified manufacturing companies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

812Companies

65,064Contacts tracked

13,655Verified emails

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The 25 largest diversified manufacturing companies based in the United States

Ranked by team size

Top 25 of 812 diversified manufacturing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to diversified manufacturing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	IAC Group	Indirect evidence	Southfield, MI, United StatesHQ checked Sep 16, 2026	5,001-10,000	5,634 contacts →
	Indirect evidence “Headquartered in Luxembourg, International Automotive Components (IAC) Group is a leading global supplier of automotive components and systems, including instrument panels…” Source: RevenueBase Database · checked Sep 16, 2026
2	ITW	Partial evidence	Glenview, IL, United StatesHQ checked Sep 16, 2026	10001+	5,447 contacts →
	Partial evidence “ITW (NYSE: ITW) is a Fortune 300 global multi-industrial manufacturing leader with revenue of $16 billion in 2025.” Source: RevenueBase Database · checked Sep 16, 2026
3	Genuine Parts Company	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 16, 2026	10001+	5,193 contacts →
	Indirect evidence “Established in 1928, Genuine Parts Company is a leading global service provider of automotive and industrial replacement parts and value-added solutions.” Source: RevenueBase Database · checked Sep 16, 2026
4	Flex-N-Gate	Indirect evidence	Urbana, IL, United StatesHQ checked Sep 16, 2026	10001+	4,298 contacts →
	Indirect evidence “Starting with aftermarket parts in 1956 and moving into O.E.” Source: RevenueBase Database · checked Sep 16, 2026
5	Mcmaster-Carr	Indirect evidence	Elmhurst, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,593 contacts →
	Indirect evidence “McMaster-Carr is an e-commerce company offering more than half a million products used to keep businesses in motion.” Source: RevenueBase Database · checked Sep 16, 2026
6	The Toro Company	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 16, 2026	10001+	3,486 contacts →
	Indirect evidence “The Toro Company represents a portfolio of global brands spanning various markets, industries and geographies with over a century of deep knowledge in transforming how jobs get…” Source: RevenueBase Database · checked Sep 16, 2026
7	Hillenbrand	Indirect evidence	Batesville, IN, United StatesHQ checked Sep 16, 2026	5,001-10,000	2,270 contacts →
	Indirect evidence “Hillenbrand is a global industrial company that provides highly-engineered, mission-critical processing equipment and solutions to customers in over 100 countries around the world.” Source: RevenueBase Database · checked Sep 16, 2026
8	Jtekt North America Corporation	Indirect evidence	Greenville, SC, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,599 contacts →
	Indirect evidence “JTEKT North America is a global leader in advanced automotive technologies, providing innovative solutions to drive the future of mobility.” Source: RevenueBase Database · checked Sep 16, 2026
9	FXI	Indirect evidence	Radnor, PA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,099 contacts →
	Indirect evidence “We are a leading producer of innovation for the Home, Healthcare, Electronics, Industrial, Personal Care and Transportation Markets.” Source: RevenueBase Database · checked Sep 16, 2026
10	TVH Parts CO	Indirect evidence	Olathe, KS, United StatesHQ checked Sep 16, 2026	501-1,000	1,009 contacts →
	Indirect evidence “Founded in 1969, the global TVH Parts Holding group now has 90 branches selling to customers in over 180 countries.” Source: RevenueBase Database · checked Sep 16, 2026
11	MEC Mayville Engineering Company, INC	Partial evidence	Mayville, WI, United StatesHQ checked Sep 16, 2026	1,001-5,000	906 contacts →
	Partial evidence “We are more than just a manufacturing and fabricating company.” Source: RevenueBase Database · checked Sep 16, 2026
12	Nelson Global	Indirect evidence	Stoughton, WI, United StatesHQ checked Sep 16, 2026	1,001-5,000	879 contacts →
	Indirect evidence “Nelson Global designs, manufactures, and distributes custom solutions for customers across crucial industries worldwide.” Source: RevenueBase Database · checked Sep 16, 2026
13	Amsted Automotive	Partial evidence	Geneva, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	706 contacts →
	Partial evidence “Amsted Automotive was formed in 2021 through the integration of Burgess-Norton, Means Industries, Transform Automotive and SMW Manufacturing.” Source: RevenueBase Database · checked Sep 16, 2026
14	Motus Integrated Technologies	Partial evidence	Holland, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	684 contacts →
	Partial evidence “Motus Integrated Technologies is a dynamic, half-billion-dollar global leader in manufacturing high-quality headliners, interior trim, and fiber solution products for the…” Source: RevenueBase Database · checked Sep 16, 2026
15	HSM	Partial evidence	Hickory, NC, United StatesHQ checked Sep 16, 2026	1,001-5,000	644 contacts →
	Partial evidence “From our humble beginnings in 1944, HSM has grown into a leading USA manufacturer of diversified components and integrated solutions.” Source: RevenueBase Database · checked Sep 16, 2026
16	Jvis USA	Indirect evidence	Shelby Township, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	602 contacts →
	Indirect evidence “When it comes to the world of automotive components, JVIS has continued to be the supplier of choice for leading global brands.” Source: RevenueBase Database · checked Sep 16, 2026
17	Nn, INC	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 16, 2026	1,001-5,000	522 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
18	Aisin U.S.A. Mfg., INC	Indirect evidence	Seymour, IN, United StatesHQ checked Sep 16, 2026	1,001-5,000	493 contacts →
	Indirect evidence “AISIN U.S.A.” Source: RevenueBase Database · checked Sep 16, 2026
19	Gill Industries	Indirect evidence	Grand Rapids, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	472 contacts →
	Indirect evidence “As a global supplier of precision engineered assemblies, we design, engineer and manufacture things that move.” Source: RevenueBase Database · checked Sep 16, 2026
20	Allient	Indirect evidence	Amherst, NY, United StatesHQ checked Sep 16, 2026	1,001-5,000	462 contacts →
	Indirect evidence “A global company specializing in precision and customized products, Allient serves both end users and original equipment manufacturers (OEMs) across various industries, including…” Source: RevenueBase Database · checked Sep 16, 2026
21	Aisin North Carolina Corporation	Partial evidence	Durham, NC, United StatesHQ checked Sep 16, 2026	1,001-5,000	452 contacts →
	Partial evidence “On April 1, 2021, AW North Carolina became AISIN North Carolina, part of AISIN Group in the Americas, which includes some employees, 43 manufacturing, sales and R&D Centers.” Source: RevenueBase Database · checked Sep 16, 2026
22	Cascade Engineering	Indirect evidence	Grand Rapids, MI, United StatesHQ checked Sep 16, 2026	501-1,000	428 contacts →
	Indirect evidence “Cascade Engineering is a manufacturer and marketer supporting multiple brands.” Source: RevenueBase Database · checked Sep 16, 2026
23	DGI Supply	Indirect evidence	Vernon Hills, IL, United StatesHQ checked Sep 16, 2026	501-1,000	361 contacts →
	Indirect evidence “DGI Supply DGI Supply, a DoALL Company since 1927, is a family owned and operated North American leader in providing industrial distribution solutions to the marketplace.” Source: RevenueBase Database · checked Sep 16, 2026
24	WKW North America, LLC	Indirect evidence	Pell City, AL, United StatesHQ checked Sep 16, 2026	201-500	329 contacts →
	Indirect evidence “Experience an internationally active and successful aluminum and steel processing company.” Source: RevenueBase Database · checked Sep 16, 2026
25	Vuteq Usa, INC	Indirect evidence	Georgetown, KY, United StatesHQ checked Sep 16, 2026	1,001-5,000	301 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: diversified manufacturing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names diversified manufacturing companies.
Partial evidence: Its own public description names part of diversified manufacturing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name diversified manufacturing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 812 diversified manufacturing companies based in the United States

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Diversified manufacturing companies based in the United States at a glance

As of Sep 16, 2026

21.0%Verified-email coverage

80.1Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Houston

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

241

11-50

234

51-200

146

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 812 companies.

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 diversified manufacturing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “diversified manufacturing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names diversified manufacturing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among diversified manufacturing companies, 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 its RevenueBase Smart Search 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, 13,655 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 16, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names diversified manufacturing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many diversified manufacturing companies are there based in the United States?

RevenueBase identified 812 diversified manufacturing companies 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?

IAC Group, headquartered in Southfield, tops this list with the largest team on record.

Which city has the most diversified manufacturing companies?

Houston leads with 10 headquartered companies, followed by Louisville (9) and Chicago (8).

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 13,655 verified decision-maker contacts tracked across these 812 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 16, 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 Smart Search, 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.