![]() SDP/SI SDP/SI (Stock Drive Products/Sterling Instrument) provides mechanical based design, engineering, and manufacturing services for medical, aerospace, industrial, and commercial applications.
| ![]() Nortech Engineering Nortech Engineering is a manufacturer of industrial LCD and computer products for process and machine control, data acquisition and test and measurement applications. | ![]() SC Hydraulic Engineering SC Hydraulic Engineering is a manufacturer and designer of high pressure air-driven liquid pumps, air boosters, gas boosters, power units and valves. | |||
Founding Date | Founding Date 1976 | Founding Date 1950 | Founding Date 1974 | Founding Date 1953 | Founding Date 1962 |
Type | Type Private | Type Subsidiary | Type Private | Type Private | Type Subsidiary |
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Locations | Locations Warminster, US HQ Allentown, US | Locations Hicksville, US HQ | Locations Port Charlotte, US HQ | Locations Brea, US HQ | Locations Chiyoda City, JP HQ Guangzhou Shi, CN Tianjin, CN Jakarta, ID Hiroshima, JP Kamisu, JP Kobe, JP see more |
Employees | Employees 11 | Employees 872% increase | Employees 2 | Employees 40 | Employees 434 |

SDP/SI (Stock Drive Products/Sterling Instrument) provides mechanical based design, engineering, and manufacturing services for medical, aerospace, industrial, and commercial applications.
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Nortech Engineering is a manufacturer of industrial LCD and computer products for process and machine control, data acquisition and test and measurement applications.
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SC Hydraulic Engineering is a manufacturer and designer of high pressure air-driven liquid pumps, air boosters, gas boosters, power units and valves.
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Sumitomo Shoji Machinex is a manufacturer of industrial machines.
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