Contract Manufacturing & Sourcing
Investment Casting Services for Industrial OEM Parts
Send your drawings and volumes. We match your part to the right casting process and plant, then handle quality, inspection and delivery.
- Investment, sand and die-cast options for your part
- Carbon, alloy, stainless and non-ferrous alloys
- Backed by a 100+ vetted plant network
RFQs answered with a reply within one business day.
Prefer to talk? Call +1 720-984-0932
Request a casting quote
Tell us about your part. Pricing is quote-based, so share drawings, material and annual volume.
Why OEMs source castings with us
The right process for your part
We match investment, sand or die-cast to your part spec instead of forcing one shop's capability.
Wide material range
Carbon steel, alloy steel, stainless steel and selected non-ferrous alloys.
Finishing handled too
Heat-treat and surface-finish options are available so parts arrive ready for your line.
Checked before it ships
Inspection and sampling are done before shipment to confirm quality.
Capacity when you scale
A 100+ plant manufacturing ecosystem gives you flexibility as volumes grow.
One partner, many processes
Casting, forging, machining, stamping and fabrication under one roof.
What we cast and how it works
Krupa Services LLC is a contract manufacturing and global sourcing partner based in Cary, North Carolina. We supply precision-engineered metal components and assemblies to industrial OEMs across automotive, oil and gas, aerospace, mining and aggregate, and industrial machinery.
Every casting job starts with your print. We review the part for manufacturing feasibility, select a plant with proven capability, and manage the program through sampling, inspection and shipment. Pricing is always quote-based.
- Processes: investment casting, sand casting and die casting
- Materials: carbon, alloy, stainless steel and selected non-ferrous alloys
- Finishing: heat-treat and surface-finish options
- Quality: inspection and sampling before shipment
- Cast part examples: fuel pump housings, housings, impeller wheels, injector clamps, levers and brackets with nickel plating
- Brass investment casting and aluminium covers, engine manifolds and turbine blades
- Applications: structural, powertrain and pump-body components
- Support services: PPAP approval, supplier audits, root cause analysis and program management
Built for demanding industries
“Their attention to detail and consistent quality have made them our go-to supplier for all stamped and machined parts. Highly reliable and professional.”
“We appreciate their flexibility in customizing parts as per project requirements. A dependable partner in our infrastructure projects.”
What happens after you send your RFQ
Share your part details
Send drawings, material, finish and annual volume through the form.
We review feasibility
Our team matches the part to the right casting process and a capable plant.
You get a quote
We come back with pricing and next steps, including sampling before production.
Frequently asked questions
How much do investment castings cost?
All pricing is quote-based. Cost depends on your part design, material, finishing and volume, so send drawings and quantities and we will price it for you.
What materials can you cast?
Carbon steel, alloy steel, stainless steel and selected non-ferrous alloys. Brass and aluminium parts are also produced.
Do you only do investment casting?
No. We offer investment, sand and die-cast. We match the process to your part specification rather than forcing a single shop's capability.
Is there a minimum order quantity?
Minimums depend on the part and the plant selected. Tell us your annual volume in the form and we will confirm what works in your quote.
Can you handle quality approvals like PPAP?
Yes. Our quality services include PPAP approval, supplier and product qualification, supplier audits and root cause analysis. Inspection and sampling are done before shipment.
Where do you ship?
We are based in Cary, North Carolina and serve customers across the United States, with global sourcing and international shipping capability. Contact us for specific delivery details.
Can you finish the parts after casting?
Yes. Heat-treat and surface-finish options are available, and we also offer CNC machining and component assembly.
Ready to quote your casting?
Send your drawings, material and volume. We will match your part to the right process and plant, then come back with pricing.
- Investment, sand and die-cast options for your part
- Carbon, alloy, stainless and non-ferrous alloys
- Backed by a 100+ vetted plant network
Prefer to talk? Call +1 720-984-0932