Company lists · Data refreshed November 2026

Top 25 Prototype engineering firms worldwide

Name: Prototype engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,240 companies tracked

RevenueBase identified 13,240 company matches for prototype engineering firms worldwide as of November 2026 and tracks 151,064 professional contacts across them, including 36,766 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for prototype engineering firms worldwide, 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 6, 2026. Country and city lists for prototype engineering firms follow the table.

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 Nov 6, 2026 How this list was built

13,240Companies

151,064Contacts tracked

36,766Verified emails

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The 25 largest prototype engineering firms worldwide

Ranked by team size

Top 25 of 13,240 company matches for prototype engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	L&t Technology Services	Exact match	Vadodara, IndiaHQ recorded Nov 6, 2026	10001+	36,322 contacts →
	Exact match “L&T Technology Services (LTTS) is one of the world’s leading engineering and technology service providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Plexus Corp	Exact match	Neenah, United StatesHQ recorded Nov 6, 2026	10001+	9,162 contacts →
	Exact match “Since 1979, Plexus has been partnering with companies to create the products that build a better world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Janicki	Exact match	Sedro-woolley, WA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,018 contacts →
	Exact match “Janicki is a privately-owned engineering and manufacturing company with locations in Washington and Utah.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Emthos Engenharia Ltda	Exact match	Catu, BrazilHQ recorded Nov 6, 2026	1,001-5,000	808 contacts →
	Exact match “Na Emthos, atuamos como parceiros estratégicos das empresas, não apenas como prestadores de serviço.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Sigma Industry	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	1,001-5,000	685 contacts →
	Exact match “Sigma Industry har tagit ett långsiktigt åtagande för att förnya konsultbranschen inom ingenjörstjänster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	BPO BV	Exact match	Delft, NetherlandsHQ recorded Nov 6, 2026	n/a	652 contacts →
	Exact match “BPO develops your idea into a functional and manufacturable product.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	VIRO	Exact match	Hengelo, NetherlandsHQ recorded Nov 6, 2026	501-1,000	650 contacts →
	Exact match “The performance of technology At VIRO, we think that modern technology’s most important task and challenge is to shape the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Indovance INC	Exact match	Apex, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	581 contacts →
	Exact match “Indovance is a global, multidisciplinary Engineering Services firm, backed by more than two decades of industry expertise in delivering high-quality CAD Drafting and Design…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Raja Software Labs	Exact match	Saratoga, CA, United StatesHQ recorded Nov 6, 2026	201-500	528 contacts →
	Exact match “Raja Software Labs (RSL) is a product engineering company helping clients ship high volume, high impact products used by millions of users.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	DELVE	Exact match	Madison, MA, United StatesHQ recorded Nov 6, 2026	201-500	514 contacts →
	Exact match “Delve is a product innovation services firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	RFA Engineering	Exact match	Eden Prairie, MN, United StatesHQ recorded Nov 6, 2026	201-500	493 contacts →
	Exact match “RFA serves 100's of clients ranging in size from Fortune 500 to entrepreneurial start-ups.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Teksid Aluminum	Exact match	Carmagnola, ItalyHQ recorded Nov 6, 2026	1,001-5,000	472 contacts →
	Exact match “Teksid Aluminum is a centre of excellence capable of providing its clients with the best production processes and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	RCO Engineering	Exact match	Roseville, MI, United StatesHQ recorded Nov 6, 2026	501-1,000	465 contacts →
	Exact match “Specializing in low-volume manufacturing that Tier 1 suppliers avoid, we offer complete program management under one roof, including emergency tooling and parts, large program…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Symetri USA	Exact match	Nashua, CT, United StatesHQ recorded Nov 6, 2026	501-1,000	409 contacts →
	Exact match “What do some of the world’s largest projects have in common?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Comatec Group	Exact match	Tampere, FinlandHQ recorded Nov 6, 2026	501-1,000	395 contacts →
	Exact match “FULL RANGE OF SERVICES – FOR ALL PRODUCT DEVELOPMENT STAGES Whether your challenge is product development, a complete project or a missing pair of hands, we have the expertise and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Ametra Group	Exact match	Clamart, FranceHQ recorded Nov 6, 2026	501-1,000	395 contacts →
	Exact match “AMETRA Ingénierie est un groupe dont la vocation est d’accompagner les entreprises dans la conception et le développement de projets innovants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Kaleidoscope Innovation	Exact match	Cincinnati, TX, United StatesHQ recorded Nov 6, 2026	201-500	362 contacts →
	Exact match “When clients come to us for product design and development, they get a full range of technical expertise and laboratory resources, but they also get a team that’s relentless when…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	ECM Engineering Conception Maintenance	Exact match	Paris, FranceHQ recorded Nov 6, 2026	201-500	360 contacts →
	Exact match “ECM (Engineering Conception Maintenance) a été créée en 1973 par le groupe CRIT, leader français du service aux entreprises dont le C.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	HLH Prototypes CO LTD	Exact match	Shenzhen, ChinaHQ recorded Nov 6, 2026	201-500	350 contacts →
	Exact match “HLHPrototypes.com - FreeQuote@HLHPrototypes.com HLH Prototypes Co Ltd (HLH Mold Technology Co Ltd) are one of China's leading manufacturers of prototypes, CNC machined parts and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	DMC Engineering	Exact match	Chicago, DC, United StatesHQ recorded Nov 6, 2026	201-500	338 contacts →
	Exact match “DMC is an established project-based engineering and software development firm founded in 1996 serving customers worldwide from our offices in Chicago, Austin, Boston, Cincinnati…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	TRC Worldwide Engineering, INC	Exact match	Brentwood, FL, United StatesHQ recorded Nov 6, 2026	201-500	336 contacts →
	Exact match “Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	MARCH	Exact match	Multiple Locations Uk-wide, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	329 contacts →
	Exact match “We are March.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Sigma Design	Exact match	Camas, OR, United StatesHQ recorded Nov 6, 2026	201-500	326 contacts →
	Exact match “Sigma Design is where the best go to innovate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Helbling Technik	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	501-1,000	323 contacts →
	Exact match “The Helbling Group is a leader in technological innovation, engineering and business consulting and supports its international clients from various industries in all phases of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Ascentec Engineering, LLC	Exact match	Tualatin, OR, United StatesHQ recorded Nov 6, 2026	201-500	316 contacts →
	Exact match “Ascentec Engineering was founded in 2001 by a team of process and manufacturing engineers all with a solid background in electronics manufacturing processes.” Recorded in the RevenueBase company graph · Nov 6, 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 “prototype engineering firms”. 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 13,240 prototype engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 36,766 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Prototype engineering firms worldwide at a glance

As of Nov 6, 2026

24.3%Verified-email coverage

11.4Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · Bangalore

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,682

11-50

3,224

51-200

967

201-500

199

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for prototype engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “prototype engineering firms” 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. 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 36,766 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 6, 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.

Prototype engineering firms by location

56 lists · largest first

Every Prototype engineering firms 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 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 “prototype engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many prototype engineering firms are there worldwide?

RevenueBase identified 13,240 company matches for prototype engineering firms worldwide 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?

L&t Technology Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most prototype engineering firms?

The United States leads with 3,048 companies, followed by India (966) and the United Kingdom (843). Every prototype engineering firms list by country and city is linked on this page.

Which city has the most prototype engineering firms?

Bangalore leads with 134 company records, followed by Shenzhen (130) and Pune (121).

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 36,766 professional contacts with verified work emails tracked across these 13,240 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 6, 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.