![]() EdgeTech EdgeTech (also known as Edgeone) is a company that manufactures underwater technology products. | ![]() Lindley Ahlers Lindley is a company that specializes in the manufacture, installation, and maintenance of floating solutions for marinas, recreational ports, and fishing harbours. | ![]() Sonardyne International Sonardyne International is a provider of underwater acoustic, inertial, optical, and sonar technology. | ![]() Northrop Grumman Italia Northrop Grumman Italia (NGI, formerly known as Litton Italia) is a company that designs, develops, manufactures, and supplies position, navigation, and timing (PNT) products. | |
Founding Date | Founding Date 1965 | Founding Date 1930 | Founding Date 1971 | Founding Date 1961 |
Type | Type Private | Type Subsidiary | Type Subsidiary | Type Subsidiary |
Tags | ||||
Locations | Locations Wareham, US HQ Boca Raton, US | Locations Alcabideche, PT HQ | Locations Yateley, GB HQ Rio De Janeiro, BR Singapore, SG Aberdeen, GB Plymouth, GB Houston, US | Locations Rome, IT HQ |
Employees | Employees 524% increase | Employees 52225% increase | Employees 2934% increase | Employees 1582% increase |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) £89.8m (FY, 2025) | Revenue (est.) €60.9m (FY, 2023) |

Ahlers Lindley is a company that specializes in the manufacture, installation, and maintenance of floating solutions for marinas, recreational ports, and fishing harbours.
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Sonardyne International is a provider of underwater acoustic, inertial, optical, and sonar technology.
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Northrop Grumman Italia (NGI, formerly known as Litton Italia) is a company that designs, develops, manufactures, and supplies position, navigation, and timing (PNT) products.
View company