| # | Company | Employees |
|---|---|---|
| 1 |
Samsung Electronics Polskasamsung.com
A leader in providing digital technologies for various industries, specializing in innovative products like digital signage, interactive monitors, and mobile devices |
1,337 |
| 2 |
PGE Energia Ciepła S.A.pgeenergiaciepla.pl
The company is a leader in the energy market and environmentally friendly district heating production, following the sale of its Polish assets in 2017 |
607 |
| 3 |
ZPUE S.A.zpue.pl
The company creates modern solutions for the energy and industrial sectors, serving public utilities, industry, and infrastructure projects in Poland and globally With 35 years of experience, they are a leading employer in the Świętokrzyskie region and operate multiple facilities in the country They employ around 3000 people and prioritize sustainable development, continually strengthening their position in the electro-energetic market Their flexibility and ability to quickly adapt to market changes allow them to compete internationally and successfully fulfill diverse orders for European and national investors |
564 |
| 4 |
Fideltronik Polandfideltronik.com
An experienced Polish electronics manufacturer offering end-to-end solutions with AI-driven processes, innovative industrial solutions, and advanced test systems |
526 |
| 5 |
Ekoenergetykaekoenergetyka.com
An innovative technology company based in Europe specializing in designing and manufacturing fast charging systems for electric vehicles |
522 |
| 6 |
TRUMPF Huettinger Zajrzyj #zCiekawościzajrzyjzciekawosci.pl
A global leader in manufacturing power supplies for plasma processes, induction heating applications, and CO2 laser excitation Explore innovation with us |
346 |
| 7 |
BMZ Polandbmz-battery.com
A global leader in lithium-ion power and energy storage systems, with innovative battery solutions for various applications and international conferences on battery technology |
335 |
| 8 |
Apatorapator.com
Development and distribution of advanced measurement devices and systems for electricity, water, heat, and gas networks across global markets. |
322 |
| 9 |
MIKRONIKA Sp. z o.o.mikronika.pl
Leading supplier of industrial automation system solutions and software producer, offering tailored modular solutions, with own equipment base and production facilities |
310 |
| 10 |
Mastersmasters.com.pl
An electronics distributor specializing in optimizing projects, reducing costs, assembling prototypes, managing logistics, with a focus on Polish companies and ST Microelectronics |
308 |
| 11 |
WAGO Polskawago.com
Manufacturer and supplier of innovative components for industrial, process technology, and building automation Recognized for quality, safety, and innovation in electrical engineering and automation |
245 |
| 12 | 186 | |
| 13 |
DIGITEXdigitex.pl
Specializing in public warning systems since 1985, providing high quality products for communication and security worldwide with ISO 9001:2015 certification |
185 |
| 14 |
TPV Displays Polska Sp. z o.o.tpvpolska.pl
Innovative manufacturer of LCD and OLED TVs, as well as printed circuit boards with thirteen factories worldwide, including in China, Mexico, and Poland |
185 |
| 15 |
SMA Magneticssma-magnetics.com
Specializing in electrical and electronic components, we manufacture a wide range of inductive products and customized solutions for various industries |
182 |
| 16 |
Triol Corporationtriolcorp.com
Leading worldwide manufacturer specializing in power electronics and oil production equipment, offering innovative solutions to increase efficiency and reduce costs in various industries |
177 |
| 17 |
Asselasselems.com
Contract electronics services provider with 40 years of experience, specializing in PCB assembly, cable harnessing, box build, and after-sales support ISO certified |
171 |
| 18 |
ENTE Sp. z o.o.ente.com.pl
Specializing in designing high-tech devices, systems, and software in the fields of electronics, IT, and automation for various industries |
170 |
| 19 | 154 | |
| 20 | 153 | |
| 21 |
ZPASzpasgroup.pl
Innovative provider of comprehensive solutions in teleinformatics, energy, and automation industries Specializing in electrical prefabrication, heat pump production, and parcel/post machines |
150 |
| 22 |
Kospelkospelglobal.com
Leading European producer of electric heating appliances Specializing in water heaters, boilers, heat pumps, and cylinders Committed to quality, innovation, and customer satisfaction |
147 |
| 23 |
WB GROUPwbgroup.pl
Leading Polish defense technology exporter, providing advanced communication, command, reconnaissance, weapon control, unmanned systems, and cybersecurity solutions for global armed forces. |
128 |
| 24 |
Elektrometal Energetyka SAelektrometal-energetyka.pl
The company provides energy solutions with a focus on high quality, innovative products and services tailored to individual customer needs |
110 |
| 25 |
WiRan Sp. z o.o.wiran.pl
Designs high-reliability electronic devices and systems using wireless communication and radio frequency technologies for various sectors like space, defense, and smart cities. |
25 |
| 26 |
Enelionenelion.com
Manufacturer of AC charging stations for electric vehicles; creates reliable, modern, and future-ready products combining advanced technology with timeless design. |
23 |
| 27 | 10 | |
| 28 | 9 | |
| 29 |
WILLBERTwillbert.tech
"E-mobility company specializing in high-efficiency, ultra-fast EV chargers for the market" |
4 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.
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