Compabase

Manufacture of electric motors, generators and transformers (PKD 27.11.Z)

This subclass includes:

  • the manufacture of electric motors, except for motor vehicles,
  • the manufacture of power distribution transformers,
  • the manufacture of arc-welding transformers,
  • the manufacture of ballasts for discharge lamps, including tubular discharge lamps (that is, transformers),
  • the manufacture of transformer substations for the distribution of electric power,
  • the manufacture of voltage regulators for the transmission and distribution of electric power,
  • the manufacture of inverters, rectifiers and converters,
  • the manufacture of linear electric actuators,
  • the manufacture of generator sets serving as a prime mover (excluding turbo-generator sets),
  • the manufacture of generators (excluding alternators for charging batteries in motor vehicles),
  • the manufacture of engine-driven generating sets (excluding turbo-generator sets),
  • rewinding of electric motors, generators and transformers,
  • the manufacture of photoelectric generators (photovoltaic installations) that may be used directly to supply, for example, a motor or an electrolyser.

This subclass excludes:

  • the manufacture of electronic transformers and switches, classified in 26.11.Z,
  • the manufacture of photovoltaic cells, modules and panels, classified in 26.11.Z,
  • the manufacture of semiconductor charging devices for batteries, classified in 27.90.Z,
  • the manufacture of turbo-generator sets, classified in 28.11.Z,
  • the manufacture of electric motors for motor vehicles (excluding motorcycles), classified in 29.10.A,
  • the manufacture of starter motors and generators for internal combustion engines, classified in 29.31.Z.

Industry statistics (2025)

Number of companies

Companies
5,153
Companies (primary PKD)
355
Companies with financials
140

Business turnover

Legal structure

Legal formShare of companiesNumber of companies
  • Sp. z o.o.64.8%230
  • JDG23.1%82
  • Sp. j.3.1%11
  • S.A.2.8%10
  • Sp. k.2.0%7
  • Other2.0%7
  • Cooperative0.8%3
  • P.S.A.0.6%2
  • Foundation0.3%1

Financial results

Median revenue

Ranking

Median revenue compared with other PKD codes.

Top companies by revenue

#CompanyLegal formRevenueNet profit
1
Hitachi Energy Poland
sp. z o.o.USD 797.93mUSD 100.86m
2
ABB
sp. z o.o.USD 780.41mUSD 19.32m
3
ZREW Transformatory
ZREW Transformatory
S.A.USD 106.13mUSD 36.77m
4
Mefta Green Transfo Energy Poland
sp. z o.o.USD 102.05mUSD 19.31m
5
Ethosenergy Poland
Ethosenergy Poland
S.A.USD 76.23m—
6
Fabryka Transformatorów w Żychlinie
sp. z o.o.USD 70.18mUSD 22.30m
7
Johnson Electric Poland
sp. z o.o.USD 61.98mUSD 1.22m
8
Mikroma Polska
Mikroma Polska
S.A.USD 61.60mUSD 1.62m
9
Celma Indukta
S.A.USD 58.76mUSD -230.86k
10
Power Engineering Transformatory
sp. z o.o.USD 58.42mUSD 17.88m
View more

Fastest-growing companies

#CompanyLegal formRevenueY/Y growth
1
Pezal Product Line
sp. z o.o.USD 11.96m+99.4% y/y
2
Akmel Agregaty Prądotwórcze
Akmel Agregaty Prądotwórcze
sp. z o.o.USD 11.21m+91.5% y/y
3
Enwitec Poland
sp. z o.o.USD 7.89m+27.5% y/y
4
Inducto
sp. z o.o. + limited partnershipUSD 3.31m+26.8% y/y
5
ZREW Transformatory
ZREW Transformatory
S.A.USD 106.13m+25.8% y/y
6
Sumera Motor
sp. z o.o. + limited partnershipUSD 5.49m+25.5% y/y
7
Power Engineering Transformatory
sp. z o.o.USD 58.42m+23.3% y/y
8
Kolektor Weltech
sp. z o.o.USD 17.26m+20.8% y/y
9
Elhand Transformatory
sp. z o.o.USD 21.07m+19.9% y/y
10
Fabryka Transformatorów w Żychlinie
sp. z o.o.USD 70.18m+19.4% y/y

Stock market

No companies from this industry are listed.

Related PKD codes in division 27

27.12.ZManufacture of electricity distribution and control apparatus11,886
27.20.ZManufacture of batteries and accumulators2,979
27.31.ZManufacture of fibre optic cables2,606
27.32.ZManufacture of other electronic and electric wires and cables4,861
27.33.ZManufacture of wiring devices7,503

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