SIGMA OEM can produce virtually any product our customers require. This product portfolio showcases a small sampling of our offerings.

Pressure Plates

Elevator Sheave in Ductile Iron

Elevator Spider Hubs in Cast Iron

Elevator Spider Hubs in Cast Iron

Elevator Motor Housings and Covers in Cast Iron

Elevator Motor Housings and Covers in Cast Iron

Micrometer Frame in Cast Iron

SIGMA OEM Fire Hydrants

Pump Impellers

Pump Impeller

Pumps & Valves

Pumps & Valves

Oil Field Pump Jack Crank Arm

Pump Casings

Pump Impeller

Industrial Counterweight
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Pressure Plates
SIGMA OEM produces pressure plates for the energy industry. -
Elevator Sheave in Ductile Iron
SIGMA OEM produces a special alloy ductile iron sheave for the elevator industry. -
Elevator Spider Hubs in Cast Iron
The Cast Iron Elevator Spider Hub is used for elevator lifting equipment. -
Elevator Spider Hubs in Cast Iron
Cast Iron Elevator Spider Hubs from SIGMA OEM meet customer specifications, as well as offering prompt delivery and fair pricing. -
Elevator Motor Housings and Covers in Cast Iron
SIGMA OEM provides precision motor housings and covers in cast iron for the elevator industry. -
Elevator Motor Housings and Covers in Cast Iron
SIGMA OEM’s cast iron motor housings and covers meet or exceed quality assurance standards for the elevator industry. -
Micrometer Frame in Cast Iron
SIGMA OEM uses the Shell Cast Process to produce the Micrometer Frame in Cast Iron. We achieve super critical surface finish with our unique shell stack molding process. -
SIGMA OEM Fire Hydrants
These bronze fire hydrant bodies are manufactured by SIGMA OEM in India for the California hydrant market. -
Pump Impellers
SIGMA OEM produces Cast Iron Pump Impellers for a variety of pump manufacturers. -
Pump Impeller
SIGMA OEM’s Cast Iron Pump Impellers meet all customer specifications and quality assurance protocols. -
Pumps & Valves
SIGMA OEM manufactures complete investment cast SS ball valve assemblies. -
Pumps & Valves
SIGMA OEM’s Pumps and Valves are machined, assembled, tested, and ready to ship from factories in China and India. -
Oil Field Pump Jack Crank Arm
SIGMA OEM produces 65 units per week of this Oil Field Pump Jack Crank Arm. The part weighs 5000lbs and is made of cast iron in vacuum mold process. This is a very cost-effective method of manufacturing large production parts. -
Pump Casings
Multi Stage Pump Casings are available in all grades of gray iron, ductile iron, carbon steel, stainless steel, hastalloy and monel. -
Pump Impeller
SIGMA OEM produces Cast Iron Pump Impellers for a variety of pump manufacturers. -
Industrial Counterweight
SIGMA OEM manufactures Cast Iron Fork Truck Counterweights in the economical vacuum molding process. We will also prime and/or paint the product.