Company profilej4.eu ↗

J4 Tunnel Ovens

J4 was established in 1994 and develops, produces and builds tunnel ovens, as well as delivering complete bakery lines for continuous baking.

Automation Machinery Manufacturing

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Headquarters: Predmerice Nad Labem, Czech RepublicSource: RevenueBaseRetrieved October 13, 2026
Employee range: 51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded: 1994Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 5 supported appearances ↗Source: RevenueBase lists

The company at a glance

What does J4 Tunnel Ovens do?

J4 tunnel ovens are designed to bake wheat, rye-wheat and rye breads, as well as artisan breads, pastries, pizzas, pies, cookies and other baked products.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Tunnel ovens

J4 develops, produces and builds tunnel ovens.

Source: LinkedIn company description · Retrieved October 13, 2026

Bakery lines

J4 delivers complete bakery lines for continuous baking.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Snapshot: September 29, 2026

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J4 Tunnel Ovens

#2 Craft bakeries

Snapshot: September 18, 2026

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<a href="https://revenuebase.ai/companies/craft-bakeries/czechia" target="_blank" rel="nofollow noopener">
  <img src="https://revenuebase.ai/companies/profiles/j4/recognition-companies-craft-bakeries-czechia-20260919-ea04f9652d19df2cd2372ae7c55eade194d788f295fc60316d5701f8430ad063.svg" alt="J4 Tunnel Ovens listed #2 on Craft bakeries, September 18, 2026" width="220" height="319" style="max-width:100%;height:auto;" />
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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 6, 2026, September 15, 2026, September 18, 2026 and September 29, 2026. How the company lists are built.

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