CoorsTek

CoorsTek

Headquarters: Golden, Colorado
Top Components: hot surface igniters, silicone carbide and silicone nitride igniters

Custom Coils Inc.

Custom Coils Inc.

Headquarters: Jacksonville, Texas
Top Components: cooper tube aluminum fin heat exchangers, DX coils, water coils and condenser coils

Dormont

Dormont Manufacturing

Headquarters: Export, Pennsylvania
Top Components: flexible stainless steel connectors for gas or water conveyance

Fenwal Controls

Fenwal Controls

Headquarters: Ashland, Massachusetts
Top Components: hot surface (HSI) and direct spark (DSI) ignition controls, electrode assemblies

Hartland Controls

Hartland Controls

Headquarters: Rock Falls, Illinois
Top Components: contactors, capacitors, transformers, relays, hard starts, circuit breakers and configured assemblies

KB Electronics

KB Electronics

Headquarters: Coral Springs, Florida
Top Components: AC variable triac speed controls and AC inverters

Mega Electronics

Mega Electronics

Headquarters: New Brunswick, New Jersey
Top Components: power supply and power cords products

Merkle Korff Industries

Merkle-Korff

Headquarters: Elk Grove Village, Illinois
Top Components: BLDC, PMDC, PSC, and AC gear motors and motor solutions

MicroTech

Micro Pneumatic Logic Inc. (MPL)

Headquarters: Hicksville, New York
Top Components: electro-mechanical pressure sensors and switches, vacuum and differential switches

Nanfeng Motor

Motor-Tech (Nanfeng Motor)

Headquarters: Hong Kong and Guangdong, China
Top Components: BLDC/ECM programmable, 5-speed and PSC motors

Pepi

Portage Electric Products, Inc. (PEPI)

Headquarters: North Canton, Ohio
Top Components: thermal controls

Revcor

Revcor

Headquarters: Carpentersville, Illinois
Top Components: blowers: axial, centrifugal and tangential air movement systems

Robertshaw

Robertshaw Controls

Headquarters: Itasca, Illinois
Top Components: burners, gas supply manifolds, adjustable temperature controls, defrost controls, gas valves, infinite switches, pilots, thermocouples, water valve controls, water level sensors, custom electronic control boards and timers

S&P

Soler & Palau

Headquarters: Jacksonville, Florida
Top Components: forward and backward curved motorized impellers, AC and DC models, EC/AC models and axial fans

Thermo Heating Elements

Thermo Heating Elements

Headquarters: Piedmont, South Carolina
Top Components: flexible heating solutions: silicone rubber, polymer thick film, tubular, optically clear, ultraflex, mica, Kapton

Thermodisc

Therm-O-Disc

Headquarters: Mansfield, Ohio
Top Components: thermostats: snap action bi-metal, thermal cut-off switches, NTC packaged thermistor sensors and thermal economical probes