![]() EM-Tech EM-Tech (㈜이엠텍) is a company that develops, manufactures, and sells microphones for mobile phones, receivers, vibration motors, and various human-centered wireless sound products. | ![]() Hottinger Bruel & Kjaer Hottinger Brüel & Kjær (HBK) is a company that develops technology for measuring and managing sound and vibration. | |||
Founding Date | Founding Date 1995 | Founding Date 1978 | Founding Date 2001 | Founding Date 2019 |
Type | Type Private | Type Private | Type Public | Type Subsidiary |
Tags | ||||
Locations | Locations Petaluma, US HQ | Locations HQ | Locations Changwon, KR HQ | |
Employees | Employees 4 | Employees 814% increase | Employees 4509% increase | Employees 4537% increase |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) ₩205.1b (FY, 2025) | Revenue (est.) kr728.2m (FY, 2022) |
Cost of goods | Cost of goods N/A | Cost of goods N/A | Cost of goods ₩170.2b (FY, 2025) | Cost of goods kr285m (FY, 2022) |
Gross profit | Gross profit N/A | Gross profit N/A | Gross profit ₩42b (FY, 2025) | Gross profit kr443.2m (FY, 2022) |
Net income | Net income N/A | Net income N/A | Net income (₩11.9b) (FY, 2025) | Net income kr10.6m (FY, 2022) |
ALPHA ACOUSTIKI is a provider of acoustics, noise, and vibration control products.
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EM-Tech (㈜이엠텍) is a company that develops, manufactures, and sells microphones for mobile phones, receivers, vibration motors, and various human-centered wireless sound products.
View company
Hottinger Brüel & Kjær (HBK) is a company that develops technology for measuring and managing sound and vibration.
View company