Manufacturer catalog

Creusot-Loire

Creusot-Loire was a French heavy-industrial and defense manufacturer formed from the Le Creusot and Loire steel, forge, and mechanical-engineering traditions. Its public record links large steelmaking and heavy machinery plants with naval armament work, including French 100 mm naval-gun mountings and license or derivative production connected to Bofors anti-submarine rocket launchers.

3 weapons

The company was part of the late Schneider/Empain-Schneider industrial structure rather than a stand-alone modern defense prime. Contemporary and historical sources describe Creusot-Loire as a nationwide French industrial firm specializing in steel, metallurgical, and mechanical manufacturing, with production sites and markets spread beyond the Le Creusot name itself.

For the catalog, Creusot-Loire matters chiefly as the manufacturer or designer attached to Cold War naval systems. The 100 mm Creusot-Loire family appears in public naval references as a French dual-purpose gun line, while the Bofors 375 mm rocket-launcher record documents a French Creusot-Loire branch of the Swedish anti-submarine rocket system. The same industrial lineage later continued through Creusot-Loire Industrie, Usinor Industeel, Arcelor, and ArcelorMittal's Industeel operations at Le Creusot and Chateauneuf.

Naval artilleryShipboard anti-submarine rocket launchersHeavy steel plate, forgings, and mechanical engineeringDefense and security steels

Notable Systems

100 mm/55 Model 1968 CADAM naval gun, 100 mm naval gun mount, Naval Systems

100 mm/55 Model 1968 CADAM naval gun

100 mm naval gun mount

A French dual-purpose naval gun family associated with Creusot-Loire in public weapon references; the catalog record covers the Model 1968, CADAM refit, and Model 1968-II / 100 TR branch.

Sources: Weaponsystems 100mm Creusot-Loire, NavWeaps 100 mm/55 Model 1968 CADAM
100mm Compact naval gun turret, Unmanned 100 mm dual-purpose naval gun turret, Naval Systems

100mm Compact naval gun turret

Unmanned 100 mm dual-purpose naval gun turret

An export-oriented 100 mm turret developed from the French 100 mm naval-gun architecture, with Creusot-Loire identified in the connected catalog record as designer and manufacturer.

Sources: WeaponSystems.net 100mm Compact, Weaponsystems 100mm Creusot-Loire
Bofors 375 mm rocket launcher, Shipboard anti-submarine rocket launcher, Naval Systems

Bofors 375 mm rocket launcher

Shipboard anti-submarine rocket launcher

The Swedish 375 mm anti-submarine rocket-launcher family included a French Creusot-Loire Modèle 54 branch, documented as a six-tube shipboard launcher for French naval fits.

Sources: Weaponsystems: Bofors M/50, Missilery.info 375mm Bofors anti-submarine reactive complex

Manufacturer History

  1. Creusot-Loire formed

    A 1973 Persée article describes Creusot-Loire as a major French industrial firm specializing in steel, metallurgical, and mechanical manufacturing; historical summaries place its creation in 1970 from the Schneider Le Creusot and Loire industrial branches.

    Sources: Persée: Les espaces de la firme, TIME: Bankruptcy: Creusot-Loire Goes Under

  2. Industeel lineage marks Creusot-Loire stage

    Industeel's official historical lineage lists Creusot-Loire before Creusot-Loire Industrie, Usinor Industeel, Arcelor, and ArcelorMittal's present Industeel structure.

    Sources: Industeel Our History

  3. Liquidation ordered

    TIME reported that the Paris commercial court ordered Creusot-Loire's liquidation in December 1984 after heavy losses and debts, describing it as France's largest privately owned engineering conglomerate at the time.

    Sources: TIME: Bankruptcy: Creusot-Loire Goes Under

  4. Creusot-Loire Industrie successor stage

    Industeel's historical lineage identifies Creusot-Loire Industrie under the Usinor group as the next stage after Creusot-Loire, preserving part of the industrial chain later folded into Industeel.

    Sources: Industeel Our History

Predecessors
Société des Forges et Ateliers du CreusotCompagnie des Ateliers et Forges de la Loire
Successors
Creusot-Loire IndustrieUsinor IndusteelIndusteel

Creusot-Loire was liquidated in 1984, and surviving activity is documented through successor industrial lineages rather than an active Creusot-Loire corporate site. The profile separates manufacturer background from any conflict-use claims, which remain on weapon records when directly sourced.

Manufacturer Sources

  • Industeel Our HistoryPublisher: Industeel / ArcelorMittal | Note: Official successor-lineage page listing Creusot-Loire, Creusot-Loire Industrie, Usinor Industeel, Arcelor, and ArcelorMittal stages. | Accessed: 2026-07-11
  • Industeel High Quality Steels ProducerPublisher: Industeel / ArcelorMittal | Note: Supports the continuing Le Creusot and Chateauneuf steel-plant context, product focus, plate and ingot capabilities, and defense-and-security market category. | Accessed: 2026-07-11
  • Persée: Les espaces de la firmePublisher: Persée / L'Espace géographique | Note: Academic 1973 article supporting Creusot-Loire's characterization as a major French industrial firm in steel, metallurgy, and mechanical manufacturing. | Accessed: 2026-07-11
  • TIME: Bankruptcy: Creusot-Loire Goes UnderPublisher: TIME | Note: Supports the 1984 liquidation, scale of losses and debt, and description of Creusot-Loire as a large privately owned French engineering conglomerate. | Accessed: 2026-07-11
  • Weaponsystems 100mm Creusot-LoirePublisher: Weaponsystems.net | Note: Supports the Creusot-Loire 100 mm naval-gun family, Model 1968/CADAM/100 TR relationships, and general naval artillery context. | Accessed: 2026-07-11
  • NavWeaps 100 mm/55 Model 1968 CADAMPublisher: NavWeaps | Note: Supports the 100 mm/55 Model 1968, CADAM, and Model 1968-II designations and technical family context. | Accessed: 2026-07-11
  • WeaponSystems.net 100mm CompactPublisher: Weaponsystems.net | Note: Supports the 100mm Compact turret's Creusot-Loire development and export-oriented naval-gun context. | Accessed: 2026-07-11
  • Weaponsystems: Bofors M/50Publisher: Weaponsystems.net | Note: Supports the Bofors 375 mm launcher family and the French Creusot-Loire Modèle 54 branch. | Accessed: 2026-07-11
  • Missilery.info 375mm Bofors anti-submarine reactive complexPublisher: Missilery.info | Note: Supports license-production and derivative-development context for the French Bofors 375 mm anti-submarine rocket-launcher branch. | Accessed: 2026-07-11

Produced weapons

Category

Naval Systems

Warships, submarines, unmanned surface vessels, naval craft, and maritime combat systems.

3/3
Bofors 375 mm rocket launcher, Shipboard anti-submarine rocket launcher, Naval SystemsBofors 375 mm rocket launcherShipboard anti-submarine rocket launcherBuilt in: Sweden / France / JapanThe Bofors 375 mm rocket launcher is a Swedish shipboard anti-submarine rocket-depth-charge system developed after World War II and fielded in two-, four-, and six-tube forms. The M/50 family tied sonar-directed fire control to an unmanned powered mount, below-deck ammunition handling, and 375 mm rockets, while license and derivative production by Creusot-Loire and Mitsubishi spread the system across French, Japanese, German, Dutch, Swedish, and export warship fits.