Okręgowa Spółdzielnia Mleczarska Wart-Milk
CooperativeWart-Milk is a dairy cooperative based in Sieradz, processing milk and making cheese. It produces dairy products for the Polish market.
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All companies in Sieradz in one place. Check revenue, profit and registry data.
Wart-Milk is a dairy cooperative based in Sieradz, processing milk and making cheese. It produces dairy products for the Polish market.
Ceramika Tubądzin III is a ceramic tile manufacturer based in Sieradz, Poland. Its main products are ceramic tiles.

Inagri is an agricultural and gardening retailer and wholesaler based in Sieradz, serving farmers and allotment gardeners. Its range includes crop protection products, fertilisers, biological and organic products, certified seed, other seeds and seed potatoes.
2,670 active businesses operate in Sieradz, ranking Sieradz #136 among Polish cities. The KRS register lists 485 entities here (companies, foundations and associations) and CEIDG lists 2,185 sole traders. Since the start of 2026, 191 new businesses have been registered in Sieradz. The most common industries are wholesale trade, land transport and transport via pipelines and specialised construction activities.
| Industry | Companies | Share | Vs Poland |
|---|---|---|---|
| Wholesale trade | 30 | 10.9% | 0.9× |
| Land transport and transport via pipelines | 28 | 10.2% | 1.5× |
| Specialised construction activities | 26 | 9.5% | 1.5× |
| Real estate activities | 25 | 9.1% | 1.1× |
| Electricity, gas, steam and air conditioning supply | 20 | 7.3% | 2.1× |
| Retail trade | 17 | 6.2% | 1.0× |
| Human health activities | 15 | 5.5% | 1.8× |
| Sports, amusement and recreation activities | 8 | 2.9% | 1.9× |
| Education | 8 | 2.9% | 1.2× |
| Manufacture of machinery and equipment n.e.c. | 7 | 2.5% | 3.2× |
| Repair and installation of machinery and equipment | 7 | 2.5% | 1.6× |
| Legal and accounting activities; tax consultancy | 7 | 2.5% | 1.1× |
| Company | Revenue a year earlier | Revenue | Growth |
|---|---|---|---|
| USD 1.98m | USD 3.53m | +79% | |
Elema G. Podsiadłysp. k. | USD 3.33m | USD 4.89m | +47% |
Tres-MEDsp. z o.o. | USD 4.00m | USD 4.83m | +21% |
Przedsiębiorstwo Komunalnesp. z o.o. | USD 4.36m | USD 4.82m | +10% |
| USD 5.04m | USD 5.54m | +10% | |
| USD 6.63m | USD 7.26m | +10% | |
Zarecki Foodssp. z o.o. | USD 7.26m | USD 7.89m | +9% |
Hurtownia Rolno-Ogrodnicza Inagrisp. z o.o. | USD 39.82m | USD 43.10m | +8% |
Zdrowiesp. z o.o. | USD 4.43m | USD 4.71m | +6% |
Przedsiębiorstwo Energetyki Cieplnejsp. z o.o. | USD 15.35m | USD 16.27m | +6% |
| Company | Revenue | Contracts won |
|---|---|---|
Deferosp. z o.o. | USD 24.89m | 69 |
Przedsiębiorstwo Komunalnesp. z o.o. | USD 4.82m | 25 |
Defero Instalacjesp. z o.o. | USD 4.12m | 19 |
Conresssp. z o.o. + limited partnership | USD 802.85k | 11 |
Westa Buildingsp. z o.o. | USD 3.93m | 6 |
InwarS.A. | USD 941.92k | 5 |
Wodomierzesp. z o.o. | USD 3.44m | 5 |
BUD - Trans Infrastrukturasp. z o.o. | USD 9.98m | 5 |
Przedsiębiorstwo Energetyki Cieplnejsp. z o.o. | USD 16.27m | 3 |
Tres-MEDsp. z o.o. | USD 4.83m | 3 |
| Company | Revenue | EU funding |
|---|---|---|
Cornette Underwearsp. z o.o. | USD 7.43m | USD 91.66k |
Elema G. Podsiadłysp. k. | USD 4.89m | USD 26.53k |
Tres-MEDsp. z o.o. | USD 4.83m | USD 479.85k |
Marss Filtrysp. z o.o. | USD 2.19m | USD 214.02k |
InwarS.A. | USD 941.92k | USD 55.24k |
TIR-KONsp. z o.o. | USD 596.62k | USD 236.32k |
Archiwum Usługowe Aktasp. z o.o. | USD 367.14k | USD 133.86k |
| — | USD 96.47k |
| 8,065 | USD 3.87m | USD 206.73k | Rossmann Supermarkety Drogeryjne Polskasp. z o.o. | USD 4.17bn | ||
| 370 | USD 3.87m | USD 371.38k | Grupa Transportowasp. z o.o. | USD 139.89m | ||
| 363 | USD 2.94m | USD 261.88k | Aflofarm Farmacja Polskasp. z o.o. | USD 300.66m | ||
| 319 | USD 5.80m | USD 424.10k | Drosed Surowiecsp. z o.o. | USD 459.89m | ||
| 282 | USD 2.91m | USD 261.20k | Exclusiasp. z o.o. | USD 143.99m | ||
| 263 | USD 6.28m | USD 363.04k | MirbudS.A. | USD 767.89m | ||
| 250 | USD 4.30m | USD 345.01k | Ontex Polskasp. z o.o. | USD 200.04m | ||
| 211 | USD 32.78m | USD 475.61k | USD 6.34bn | |||
| 206 | USD 3.24m | USD 296.00k | Okręgowa Spółdzielnia Mleczarska Wart-MilkCooperative | USD 116.96m | ||
| 194 | USD 8.02m | USD 644.04k | UMA Investmentssp. z o.o. | USD 127.20m | ||
| 187 | USD 5.15m | USD 382.66k | WieltonS.A. | USD 281.39m | ||
| 175 | USD 3.11m | USD 366.07k | Gealan Polskasp. z o.o. | USD 70.52m |