![]() CS Holdings CS Holdings (CS홀딩스 주식회사, formerly known as Chosun Welding) is a company that manufactures and markets welding materials. | ![]() Calumet Electronics Calumet Electronics is a company that designs and manufactures printed circuit boards (PCBs). | Sierra Circuits Sierra Circuits (also known as Sierra Proto Express) is a company that manufactures and assembles printed circuit boards. | ![]() Pacific Aerospace & Electronics Pacific Aerospace & Electronics (PA&E) is a provider of hermetic connectors and electronic packaging solutions. | ![]() Means Engineering Means Engineering, Inc. (MEI) is a company that provides product development and manufacturing services. | |
Founding Date | Founding Date 1949 | Founding Date 1968 | Founding Date 1986 | Founding Date 1990 | Founding Date 1992 |
Type | Type Public | Type Private | Type Private | Type Subsidiary | Type Private |
Tags | |||||
Locations | Locations Pohang, KR HQ Seoul, KR | Locations Calumet, US HQ | Locations Sunnyvale, US HQ Delta, CA | Locations Wenatchee, US HQ | Locations Carlsbad, US HQ |
Employees | Employees 325% decrease | Employees 1186% increase | Employees 478 | Employees 1422% increase | Employees 512% decrease |
Financial | |||||
Revenue (est.) | Revenue (est.) ₩134.9b (FY, 2025) | Revenue (est.) N/A | Revenue (est.) $108m (Y, 2024) | Revenue (est.) N/A | Revenue (est.) N/A |
Operating ⚠ | |||||
Capabilities | Capabilities N/A | Capabilities N/A | Capabilities 7 (Jun, 2024) | Capabilities 20 (May, 2024) | Capabilities N/A |
Certifications and Accreditations | Certifications and Accreditations N/A | Certifications and Accreditations 8 (May, 2024) | Certifications and Accreditations N/A | Certifications and Accreditations N/A | Certifications and Accreditations 3 (Apr, 2024) |
Industries Served | Industries Served N/A | Industries Served N/A | Industries Served 8 (Jun, 2024) | Industries Served N/A | Industries Served 4 (Apr, 2024) |
Products | Products N/A | Products N/A | Products 14 (Jun, 2024) | Products 3 (May, 2024) | Products N/A |

Calumet Electronics is a company that designs and manufactures printed circuit boards (PCBs).
View companySierra Circuits (also known as Sierra Proto Express) is a company that manufactures and assembles printed circuit boards.
View company
Pacific Aerospace & Electronics (PA&E) is a provider of hermetic connectors and electronic packaging solutions.
View company
Means Engineering, Inc. (MEI) is a company that provides product development and manufacturing services.
View company