![]() J. L. Shepherd and Associates J. L. Shepherd & Associates is a company specializing in the manufacture of irradiation and calibration systems for radiation detection instrumentation. | ![]() Dynamic Controls Dynamic Controls is a manufacturer of electronic controls for power wheelchairs and scooters. | ![]() TSG TSG (Technical Services Group) is a company engaged in the design and manufacture of custom X-ray systems for industrial applications. | ![]() 77 Elektronika 77 Elektronika is a developer, manufacturer, and supplier of in vitro diagnostic medical devices. | ||
Founding Date | Founding Date 1967 | Founding Date 1972 | Founding Date 1988 | Founding Date 1987 | Founding Date 1986 |
Type | Type Private | Type Subsidiary | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations San Fernando, US HQ | Locations Christchurch, NZ HQ Christchurch, NZ Kidderminster, GB | Locations Snellville, US HQ | Locations Los Angeles, US HQ | Locations Budapest, HU HQ |
Employees | Employees 27 | Employees 1032% decrease | Employees 9 | Employees 20 | Employees 1604% decrease |
Operating ⚠ | |||||
Product Categories | Product Categories 18 (Apr, 2022) | Product Categories N/A | Product Categories N/A | Product Categories N/A | Product Categories 3 (Sep, 2023) |

Dynamic Controls is a manufacturer of electronic controls for power wheelchairs and scooters.
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TSG (Technical Services Group) is a company engaged in the design and manufacture of custom X-ray systems for industrial applications.
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PTC Instruments is a manufacturer of test instruments.
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77 Elektronika is a developer, manufacturer, and supplier of in vitro diagnostic medical devices.
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