![]() Sunstone Circuits Sunstone Circuits (also known as Teroc) is a provider of PCB solutions for the electronic design industry. | Wabtec Wabtec (also known as Westinghouse Air Brake Technologies) is a company that manufactures train control equipment and systems. | ![]() TTM Technologies TTM Technologies is a manufacturer of RF components and printed circuit boards (PCBs). | ![]() Melecs Group Melecs Group (also known as Melecs EWS) is an electronics engineering, manufacturing, and service provider company. | ||
Founding Date | Founding Date 1968 | Founding Date 1972 | Founding Date 1869 | Founding Date 1998 | Founding Date 2009 |
Type | Type Private | Type Subsidiary | Type Public | Type Public | Type Subsidiary |
Tags | |||||
Locations | Locations Nutley, US HQ | Locations Mulino, US HQ | Locations Pittsburgh, US HQ Greensburg, US Houston, US Wilmerding, US | Locations Santa Ana, US HQ Toronto, CA Dongguan, CN Guangzhou, CN Huizhou, CN Suzhou, CN Zhongshan, CN see more | Locations Siegendorf, AT HQ Vienna, AT Wuxi, CN Győr, HU Corregidora, MX Auburn Hills, US |
Employees | Employees 1121% increase | Employees 751% increase | Employees 29,5002% increase | Employees 18,20011% increase | Employees 1,8005% decrease |
Valuation ($) | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) 32.7 b | Valuation ($) 2 b | Valuation ($) N/A |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) $11.2b (FY, 2025) | Revenue (est.) $2.9b (FY, 2025) | Revenue (est.) €486m (Y, 2025) |
Cost of goods | Cost of goods N/A | Cost of goods N/A | Cost of goods $7.4b (FY, 2025) | Cost of goods $2.3b (FY, 2025) | Cost of goods N/A |
Gross profit | Gross profit N/A | Gross profit N/A | Gross profit $3.8b (FY, 2025) | Gross profit $601.7m (FY, 2025) | Gross profit N/A |
Net income | Net income N/A | Net income N/A | Net income $1.2b (FY, 2025) | Net income $177.4m (FY, 2025) | Net income N/A |
Operating ⚠ | |||||
Countries | Countries N/A | Countries N/A | Countries 50 (FY, 2020) | Countries 50 (Q1, 2024) | Countries N/A |
Customers | Customers N/A | Customers N/A | Customers 500 (FY, 2020) | Customers 1.5 k (Q1, 2024) | Customers N/A |

Sunstone Circuits (also known as Teroc) is a provider of PCB solutions for the electronic design industry.
View companyWabtec (also known as Westinghouse Air Brake Technologies) is a company that manufactures train control equipment and systems.
View company
TTM Technologies is a manufacturer of RF components and printed circuit boards (PCBs).
View company
Melecs Group (also known as Melecs EWS) is an electronics engineering, manufacturing, and service provider company.
View company