Established in 1976, Comtrol International designs and manufactures communication and control systems, initially for mining and later for industrial applications. It is known for communication and control systems built to operate in harsh environments, including industrial communication equipment and wireless controls.
GAI-TRONICSWith more than 70 years in the business, GAI-TRONICS is a Hubbell brand known for rugged industrial communication systems. It serves customers that need dependable communication in demanding environments, including mining and wastewater facilities, and holds ISO 9001 certification as a manufacturer.334210READING, PA
Bay Controls, LLCFounded in 1983 by Scott Parry and Tom Reed, Holland-based Bay Controls develops computerized controls and monitoring systems for compressed-air equipment, along with HVAC and building-automation integration. The company’s early work included the first computerized compressor controller in 1984 and the first internet-based industrial monitoring service in 1997; today it supports industrial, commercial, and government customers in the United States and more than 60 countries. Bay Controls also offers retrofit paths for legacy controllers, helping customers extend existing systems rather than replace them outright.HOLLAND, OH
RFHeroRFHero, also identified as Nichols Electronics, designs and manufactures industrial wireless controls. For 25 years, the company has served clients across the United States, Canada, the EU, and Central and South America, with its controls used in industries including mining and metalworking. It reports more than 10,000 remote controls operating worldwide.GREENSBURG, PA
Conspec ControlsWith roots going back to 1967, Conspec Controls is known for developing safety technology for difficult working environments, particularly underground mining. The company designs gas detection systems for organizations that need to protect people and operations in hazardous settings, and its ISO 9001:2015 certification reflects a formal focus on consistent manufacturing quality.334513CHARLEROI, PA