![]() Diona Diona is a company specializing in the design and construction of water and wastewater, electrical, gas, and transport infrastructure. | ||
Founding Date | Founding Date 1953 | Founding Date 1980 |
Type | Type Public | Type Subsidiary |
Tags | ||
Locations | Locations London, GB HQ Ashford, GB Banbury, GB Billericay, GB Birmingham, GB Brighton, GB Canterbury, GB see more | Locations Baulkham Hills, AU HQ Alphington, AU Canberra, AU Hindmarsh, AU Murarrie, AU Robina, AU |
Employees | Employees 8,097 | Employees 2011% increase |
Operating ⚠ | ||
Trademark Applications | Trademark Applications 4 (Dec, 2023) | Trademark Applications 2 (Feb, 2023) |

Diona is a company specializing in the design and construction of water and wastewater, electrical, gas, and transport infrastructure.
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