How many companies have PKD 27.31.Z?

The primary industry for 57 companies is manufacture of fibre optic cables. 24 entities have filed financial statements.

How many new companies were registered in 2026?

So far in 2026, 0 new companies with PKD 27.31.Z have been registered. In all of 2025, there was 1 such company.

What revenue do companies in this industry generate?

In 2025, the median revenue for PKD 27.31.Z was USD 8.31m and the mean revenue was USD 49.14m, based on 15 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.

Are companies with PKD 27.31.Z profitable?

Yes, in 2025, the median net profit was USD 175.29k, an improvement on 2024 (USD 31.75k). Among all 674 industries in Poland, PKD 27.31.Z ranks 61st, putting it in the top 9.1%.

What legal form do companies in this industry take?

The most common legal form for PKD 27.31.Z is sp. z o.o., used by 44 companies in this industry (77.2% of the total). In second place is a sole proprietorship (7 companies, 12.3%), and in third place – sp. j. (3 companies, 5.3%).

Manufacture of fibre optic cables (PKD 27.31.Z)

This subclass includes the manufacture of optical fibre cables for data transmission or live image transmission, whether or not fitted with connectors

This subclass excludes:

the manufacture of glass fibres or filaments, classified in 23.14.Z,
the manufacture of optical fibre connectors, optical fibre bundles or optical fibre cables, classified in 27.33.Z,
the installation of optical fibre cables and other cables in buildings, classified in 43.21.Z.

Industry statistics (2025)

Number of companies

Companies

2,611

Companies (primary PKD)

Companies with financials

Business turnover

Legal structure

Legal formShare of companiesNumber of companies

Sp. z o.o.77.2%44
JDG12.3%7
Sp. j.5.3%3
S.A.1.8%1
Sp. k.1.8%1
Cooperative1.8%1

Financial results

Median revenue

Ranking

Median revenue compared with other PKD codes.

Top companies by revenue

#	Company	Legal form	Revenue	Net profit
1	Corning Optical Communications Polska	sp. z o.o.	USD 405.17m	USD 31.81m
2	Corning Optical Fiber Polska	sp. z o.o.	USD 126.53m	USD 9.57m
3	Fibrain	sp. z o.o.	USD 92.18m	USD 2.92m
4	FCA	S.A.	USD 36.17m	USD -1.82m
5	TKF Telecom	sp. z o.o.	USD 25.96m	USD 1.85m
6	LS Cable & System Poland	sp. z o.o.	USD 18.32m	USD -2.84m
7	Reichle & De-Massari Produkcja	sp. z o.o.	USD 12.77m	USD 174.50k
8	Schrade Kabeltechnik	sp. z o.o.	USD 8.27m	USD 18.57k
9	JD System J.Czaja, P.Drabent	sp. j.	USD 2.52m	USD 243.72k
10	Resfiber	sp. z o.o.	USD 1.65m	USD 238.06k

Fastest-growing companies

#	Company	Legal form	Revenue	Y/Y growth
1	TKF Telecom	sp. z o.o.	USD 25.96m	+211.8% y/y
2	Fibrain	sp. z o.o.	USD 92.18m	+23.0% y/y
3	Corning Optical Communications Polska	sp. z o.o.	USD 405.17m	+21.1% y/y
4	Corning Optical Fiber Polska	sp. z o.o.	USD 126.53m	+8.3% y/y
5	Schrade Kabeltechnik	sp. z o.o.	USD 8.27m	+6.4% y/y
6	Reichle & De-Massari Produkcja	sp. z o.o.	USD 12.77m	-12.9% y/y
7	LS Cable & System Poland	sp. z o.o.	USD 18.32m	-17.5% y/y
8	FCA	S.A.	USD 36.17m	-35.2% y/y

Stock market

No companies from this industry are listed.

Related PKD codes in division 27


27.11.Z	Manufacture of electric motors, generators and transformers	5,152
27.12.Z	Manufacture of electricity distribution and control apparatus	11,886
27.20.Z	Manufacture of batteries and accumulators	2,979
27.32.Z	Manufacture of other electronic and electric wires and cables	4,861
27.33.Z	Manufacture of wiring devices	7,503