Electrical Equipment, Appliance & Component Manufacturing in Pennsylvania

NAICS 335 · PA

The Electrical Equipment, Appliance & Component Manufacturing industry in Pennsylvania had an annual payroll of about $2.3 billion according to the Bureau of Labor Statistics. The register lists 318 facilities in Pennsylvania. EAST PENN LYONS STATION, located in Lyon Station, employed 6,114 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Pennsylvania17 FACILITIES

Listing 17 of 20: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Morgan Advanced Materials and Technology, INC.	Saint Marys	—	● ACTIVE
PC Systems, INC	Ridgway	20–99	● ACTIVE
SMSt Marys Carbon Co., INC.	Saint Marys	20–99	● ACTIVE
Mersen USA Gs CORP.	Saint Marys	—	● ACTIVE
SCSpeer Carbon CO	Saint Marys	1–19	◐ LIKELY ACTIVE
MUMersen Usa/st Marys	Saint Marys	—	◐ LIKELY ACTIVE
GUGraftech USA Llc/st Marys	Saint Marys	—	◐ LIKELY ACTIVE
SCSgl Carbon Corp/st Marys Plt	Saint Marys	—	◐ LIKELY ACTIVE
LLLedvance Llc/st Marys	Saint Marys	—	◇ UNVERIFIED
SCStackpole Carbon CO Plant 02	Saint Marys	—	◇ UNVERIFIED
GUGraftech USA LLC	St. Marys	20–99	◐ LIKELY ACTIVE
GUGraftech USA LLC	Saint Marys	20–99	◐ LIKELY ACTIVE
MUMersen USA St Marys	Saint Marys	100–499	◐ LIKELY ACTIVE
MUMersen USA St Marys	St marys	100–499	◐ LIKELY ACTIVE
MAMorgan Advanced Materials St Marys	St Marys	100–499	◐ LIKELY ACTIVE
SCSGL Carbon LLC	St. Marys	100–499	◐ LIKELY ACTIVE
SCSpeer Carbon Company, LLC	St. Marys	1–19	◐ LIKELY ACTIVE

Search all 318 facilities