![]() Aero Precision Repair & Overhaul Aero Precision Repair & Overhaul (APRO) is a provider of solutions to the aviation industry. | ![]() Sumitomo Precision Products Sumitomo Precision Products (住友精密工業株式会社) is a manufacturer and developer of aerospace equipment. | ![]() Eins Sky Eins Sky (주식회사 아인스스카이, formerly known as Leading Aero Company, LACO) is an advanced parts manufacturer. | ![]() Rocket Air Supply Rocket Air Supply (also known as RKR Technologies) is a manufacturer of aerospace fasteners and hardware products. | ![]() Dow Hydraulic Systems Dow Hydraulic Systems is a manufacturer of servo valves and actuation assemblies. | |
Founding Date | Founding Date 1989 | Founding Date 1961 | Founding Date 2011 | Founding Date 1963 | Founding Date 1967 |
Type | Type Private | Type Subsidiary | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations Deerfield Beach, US HQ | Locations Amagasaki, JP HQ Kariya, JP Kasugai, JP Kusatsu, JP Wakayama, JP | Locations Sacheon, KR HQ | Locations Arlington, US HQ | Locations Pomona, US HQ |
Employees | Employees 472% increase | Employees 1,701 | Employees 1122% decrease | Employees 148% increase | Employees 244% increase |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) ¥43.8b (FY, 2022) | Revenue (est.) ₩16b (FY, 2024) | Revenue (est.) N/A | Revenue (est.) N/A |
Cost of goods | Cost of goods N/A | Cost of goods ¥31.4b (FY, 2022) | Cost of goods ₩13.4b (FY, 2024) | Cost of goods N/A | Cost of goods N/A |
Gross profit | Gross profit N/A | Gross profit ¥12.4b (FY, 2022) | Gross profit ₩2.6b (FY, 2024) | Gross profit N/A | Gross profit N/A |
Net income | Net income N/A | Net income ¥2.5b (FY, 2022) | Net income ₩108.6m (FY, 2024) | Net income N/A | Net income N/A |

Sumitomo Precision Products (住友精密工業株式会社) is a manufacturer and developer of aerospace equipment.
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Eins Sky (주식회사 아인스스카이, formerly known as Leading Aero Company, LACO) is an advanced parts manufacturer.
View company
Rocket Air Supply (also known as RKR Technologies) is a manufacturer of aerospace fasteners and hardware products.
View company
Dow Hydraulic Systems is a manufacturer of servo valves and actuation assemblies.
View company