Company lists · Data refreshed September 2026

Top 25 Custom manufacturing companies worldwide

Name: Custom manufacturing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 8,268 companies tracked

RevenueBase identified 8,268 custom manufacturing companies worldwide as of September 2026 and tracks 60,958 professional contacts across them, including 13,713 with verified work emails and 0 with mobile numbers. The United States is the largest market and Shenzhen the largest hub.

This list covers custom manufacturing companies worldwide, 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. Country and city lists for custom manufacturing companies follow the table.

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

8,268Companies

60,958Contacts tracked

13,713Verified emails

0Mobile numbers

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The 25 largest custom manufacturing companies worldwide

Ranked by team size

Top 25 of 8,268 custom manufacturing companies worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to custom 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	Protolabs	Partial evidence	Maple Plain, MN, IndiaHQ checked Sep 16, 2026	1,001-5,000	1,427 contacts →
	Partial evidence “We are your single digital manufacturing resource from prototyping to production offering injection molding, CNC machining, 3D printing, and sheet metal fabrication services.” Source: RevenueBase Database · checked Sep 16, 2026
2	Janicki	Partial evidence	Sedro-woolley, WA, United StatesHQ checked Sep 16, 2026	1,001-5,000	914 contacts →
	Partial evidence “Janicki is a privately-owned engineering and manufacturing company with locations in Washington and Utah.” Source: RevenueBase Database · checked Sep 16, 2026
3	BPO BV	Indirect evidence	Delft, NetherlandsHQ checked Sep 16, 2026	n/a	593 contacts →
	Indirect evidence “BPO develops your idea into a functional and manufacturable product.” Source: RevenueBase Database · checked Sep 16, 2026
4	Petersen INC	Indirect evidence	Ogden, UT, United StatesHQ checked Sep 16, 2026	501-1,000	316 contacts →
	Indirect evidence “Founded in 1961 and incorporated in Utah in 1980, Petersen Inc.” Source: RevenueBase Database · checked Sep 16, 2026
5	Ascentec Engineering, LLC	Partial evidence	Tualatin, OR, United StatesHQ checked Sep 16, 2026	201-500	272 contacts →
	Partial evidence “Ascentec Engineering was founded in 2001 by a team of process and manufacturing engineers all with a solid background in electronics manufacturing processes.” Source: RevenueBase Database · checked Sep 16, 2026
6	Penn United Technologies, INC	Strong evidence	Cabot, PA, United StatesHQ checked Sep 16, 2026	501-1,000	254 contacts →
	Strong evidence “Penn United provides MANUFACTURING SOLUTIONS for customers needing precision components or precision-assembled products.” Source: RevenueBase Database · checked Sep 16, 2026
7	Protocase	Indirect evidence	Sydney, NS, CanadaHQ checked Sep 16, 2026	201-500	247 contacts →
	Indirect evidence “Long lead times stifle projects.” Source: RevenueBase Database · checked Sep 16, 2026
8	Major Tool & Machine	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 16, 2026	201-500	233 contacts →
	Partial evidence “Established in 1946, Major Tool & Machine started business as a custom job shop specializing in the production of tooling and aircraft ground support equipment and has since…” Source: RevenueBase Database · checked Sep 16, 2026
9	ARCH	Partial evidence	Bloomfield Hills, MI, United StatesHQ checked Sep 16, 2026	501-1,000	209 contacts →
	Partial evidence “American Manufacturing, Serving the World We are driven by precision.” Source: RevenueBase Database · checked Sep 16, 2026
10	PMI Global Technologies PVT LTD	Partial evidence	Chennai, IndiaHQ checked Sep 16, 2026	51-200	203 contacts →
	Partial evidence “PMI Global Technologies is expertise in low and Medium volume complex part manufacturing and adds value to the components by executing Special process and Precision Assembly…” Source: RevenueBase Database · checked Sep 16, 2026
11	RE Build Manufacturing	Partial evidence	Framingham, MA, United StatesHQ checked Sep 16, 2026	1,001-5,000	197 contacts →
	Partial evidence “Re:Build Manufacturing integrates design, engineering, and manufacturing to deliver complex, multi-technology products from concept through full-rate production.” Source: RevenueBase Database · checked Sep 16, 2026
12	Fathom Digital Manufacturing	Partial evidence	Hartland, WI, United StatesHQ checked Sep 16, 2026	501-1,000	188 contacts →
	Partial evidence “Contract Manufacturing, Designed Around You Fathom Manufacturing helps companies simplify part sourcing with 25+ advanced manufacturing technologies and support services, all…” Source: RevenueBase Database · checked Sep 16, 2026
13	Quickparts	Strong evidence	Seattle, WA, United StatesHQ checked Sep 16, 2026	201-500	182 contacts →
	Strong evidence “Custom Prototypes, 3D Printing, and On-Demand Parts Manufacturing.” Source: RevenueBase Database · checked Sep 16, 2026
14	Peko Precision Products	Partial evidence	Rochester, NY, United StatesHQ checked Sep 16, 2026	201-500	160 contacts →
	Partial evidence “PEKO is a leading contract manufacturer providing full-service, end-to-end manufacturing of large-scale machinery, complex equipment, and major electro-mechanical assemblies for…” Source: RevenueBase Database · checked Sep 16, 2026
15	Mecha INC	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 16, 2026	n/a	157 contacts →
	Partial evidence “Mecha specializes in the design, analysis, and manufacturing of metal products for the embedded computer industry.” Source: RevenueBase Database · checked Sep 16, 2026
16	Emerald Technologies	Strong evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	501-1,000	155 contacts →
	Strong evidence “At Emerald Technologies, we provide our customers with world-class service experiences built on strong partnerships, flexible manufacturing capabilities, and expert engineering…” Source: RevenueBase Database · checked Sep 16, 2026
17	General Stamping & Metalworks	Partial evidence	South Bend, IN, United StatesHQ checked Sep 16, 2026	201-500	154 contacts →
	Partial evidence “General Stamping & Metalworks (GSM) is a leading provider of manufacturing solutions to progressive OEMs worldwide.” Source: RevenueBase Database · checked Sep 16, 2026
18	MI Technologies, INC	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 16, 2026	501-1,000	152 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
19	Welding Works	Indirect evidence	Madison, CT, United StatesHQ checked Sep 16, 2026	n/a	152 contacts →
	Indirect evidence “Since it was founded in 1979, Welding Works has become known for its ability to provide quick, reliable turnaround on all types of industrial metal fabrications.” Source: RevenueBase Database · checked Sep 16, 2026
20	Lake AIR Products	Partial evidence	Minneapolis, MN, United StatesHQ checked Sep 16, 2026	51-200	144 contacts →
	Partial evidence “Your Advanced Manufacturing Partner.” Source: RevenueBase Database · checked Sep 16, 2026
21	Innovize	Strong evidence	Saint Paul, MN, United StatesHQ checked Sep 16, 2026	201-500	138 contacts →
	Strong evidence “Innovize offers custom development and manufacturing solutions – including converting and contract manufacturing – for product designers, developers, engineers and supply chain…” Source: RevenueBase Database · checked Sep 16, 2026
22	Arrk Europe Limited	Partial evidence	Gloucester, United KingdomHQ checked Sep 16, 2026	51-200	137 contacts →
	Partial evidence “3D Printing, Additive Manufacturing, Vacuum Casting, Modelmaking, CNC Machining, Composites, Precision Engineering, Paint, Tooling, Injection Moulding & Manufacturing Solutions…” Source: RevenueBase Database · checked Sep 16, 2026
23	Keller Technology Corporation	Strong evidence	Tonawanda, NY, United StatesHQ checked Sep 16, 2026	201-500	136 contacts →
	Strong evidence “Keller Technology Corporation offers a variety of contract manufacturing services providing custom solutions for your business.” Source: RevenueBase Database · checked Sep 16, 2026
24	Essai, INC	Indirect evidence	Fremont, CA, United StatesHQ checked Sep 16, 2026	51-200	123 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
25	Progressive Technology Group	Indirect evidence	Newbury, United KingdomHQ checked Sep 16, 2026	201-500	120 contacts →
	Indirect evidence “Progressive Technology Group is a subcontract company based in Berkshire, specialising in Multi Axis CNC Machining, Composite Component Manufacture, Patterns and Structural Foam…” 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: custom 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 custom manufacturing companies.
Partial evidence: Its own public description names part of custom manufacturing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name custom 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 8,268 custom manufacturing companies worldwide

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Custom manufacturing companies worldwide at a glance

As of Sep 16, 2026

22.5%Verified-email coverage

7.4Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · Shenzhen

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

3,899

11-50

2,797

51-200

1,230

201-500

228

501-1,000

1,001-5,000

5,001-10,000

10001+

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 custom 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.
Coverage: 28 countries, largest first: the United States, China, Germany, the United Kingdom, India, Canada, France, Italy, the Netherlands, Spain and 18 more. Country and city lists for custom manufacturing companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “custom 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 custom 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 custom manufacturing companies, and records with no verified work email.
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, 13,713 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.

Custom manufacturing companies by location

31 lists · largest first

Every Custom manufacturing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 custom 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 custom manufacturing companies are there worldwide?

RevenueBase identified 8,268 custom manufacturing companies worldwide 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?

Protolabs, headquartered in Maple Plain, tops this list with the largest team on record.

Which country has the most custom manufacturing companies?

The United States leads with 3,059 companies, followed by China (718) and Germany (568). Every custom manufacturing companies list by country and city is linked on this page.

Which city has the most custom manufacturing companies?

Shenzhen leads with 236 headquartered companies, followed by Dongguan (124) and Bangalore (61).

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 13,713 verified decision-maker contacts tracked across these 8,268 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.