Consolidated revenue
Financial year 2025 · Annual report · p. 60
Four areas of expertise. One shared ambition:
bringing to life the projects that
move territories forward.
Since 1974, Delta Holding has brought together complementary disciplines and given them the means to act as one.
Discover our historyFinancial year 2025 · Annual report · p. 60
At 30 June 2026 · Half-year report · pp. 5–6
At 30 June 2026 · Half-year report · pp. 5–6
Financial year 2025 · Annual report · p. 60
Financial year 2025 · Annual report · p. 59
Founded in 1974 · Half-year report · p. 5

Connecting territories.
Giving shape to ambition.
Supporting the water cycle.
Materials essential to life.




A selection of projects featured in Convergence No. 109.
Results, publications and shareholder information. Essential resources to follow the Group.
At 30 June 2026
Consolidated revenue
Net income attributable to the Group
Preserving resources. Protecting people. Developing skills. Our responsibility is expressed through our everyday work.
Our commitments in actionCommitments, values and an organisation that support the Group’s long-term action.
Life across the Group, project by project.
Open the journal
AIC Métallurgie · Convergence No. 109
Read the storyExpertise rooted in local communities.
Expertise that travels.
Steel construction, equipment and galvanizing.
AIC · AIC Métallurgie · GENA · GALVACIER · OTUBEThe Group’s headquarters and a major industrial hub.
Delta Holding · FONEX · ROCK SYSTEMS · BITUMA · GCRGalvanizing and storage of bituminous products.
GALVACIER · BITUMAPart of the bitumen storage network.
BITUMADHS brings the Group’s expertise to Senegal.
Documented locations · 2026 half-year scopeDestinations featured in the Group’s sector brochures.
Locations: selected addresses published by the Group and cross-checked against the 2026 half-year consolidation scope. Markers indicate cities, not site boundaries.
Exports: selected destinations featured in the sector brochures published in 2025, with reference figures from 2023. This map is not a record of trade flows in 2026.
The sale of ISOSIGN in 2024 and DHE’s removal from the consolidation scope in 2026 are reflected here. Unconfirmed historical locations are not shown as current locations.

On site, in our workshops and across our teams, skills are the source of our collective strength.
Join the GroupVisit our careers space and submit your application.