Massa Products Massa Products is a company that designs and manufactures sonar and ultrasonic products. | ![]() Sonardyne International Sonardyne International is a provider of underwater acoustic, inertial, optical, and sonar technology. | ![]() American Ecotech American Ecotech is a company that specializes in the design, installation, operation, and maintenance of air pollution monitoring instrumentation and systems. | |
Founding Date | Founding Date 1945 | Founding Date 1971 | Founding Date 2002 |
Type | Type Private | Type Subsidiary | Type Private |
Tags | |||
Locations | Locations Hingham, US HQ | Locations Yateley, GB HQ Rio De Janeiro, BR Singapore, SG Aberdeen, GB Plymouth, GB Houston, US | Locations Warren, US HQ |
Employees | Employees 625% increase | Employees 2934% increase | Employees 238% decrease |

Sonardyne International is a provider of underwater acoustic, inertial, optical, and sonar technology.
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American Ecotech is a company that specializes in the design, installation, operation, and maintenance of air pollution monitoring instrumentation and systems.
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