Precision Manufacturing.Custom Solutions.Nationwide Delivery.
At Electro-Seal, we specialize in precision-machined parts built to meet the most demanding standards. From hermetically sealed sight glasses and alternator pulley components to complex custom machining, we manufacture parts that power industries — and we’ve been doing it right since 1946.
Years of Experience
Built on Experience. Driven by Precision.
Electro-Seal is a full-service machine shop with deep roots in advanced manufacturing. Our capabilities include:
Why Choose Us
Electro-Seal delivers American-made, custom-manufactured parts with precision and care — all produced in our Indiana facility under strict quality control. Since 1946, we've served industries like aerospace, agriculture, and pharma within-house machining, coating, engraving, and heat treating.With decades of experience and a commitment to fast turnarounds, we’re your trusted partner from prototype to production.
Active client with positive reviews
Featured Services
We proudly manufacture and supply:
Preferred by 100+ Engineers, Buyers, and Industry Leaders
A reputation built on precision, reliability, and long-term partnerships.
Medical Device Manufacturer
“From concept to delivery, Electro-Seal has been a valuable partner. Their technical expertise and responsiveness make complex projects run smoothly.”
Pharmaceutical Equipment Firm
“Electro-Seal is a trusted extension of our team. Their ability to deliver custom solutions without compromising quality is a rare find.”
Industrial Equipment Supplier
“We’ve relied on Electro-Seal for over a decade. Their consistent precision and professionalism make them our preferred machining partner.”
Defense Contractor
“We've worked with many vendors, but Electro-Seal stands out for their reliability and craftsmanship. They truly understand the demands of aerospace manufacturing.”
Aerospace Contractor
“Quick turnaround, outstanding quality, and deep industry knowledge — Electro-Seal makes sourcing custom parts easy and stress-free.”
Automotive OEM
“Their attention to detail and commitment to quality is evident in every part we receive. Electro-Seal is a true partner in our production process.”
Laboratory Equipment Manufacturer
“No matter how complex the request, Electro-Seal delivers with accuracy and speed. Their customer service is just as impressive as their craftsmanship.”
Renewable Energy Firm
Industries We Proudly Serve
We engineer precision components for mission-critical applications in:
Alternator pulleys, custom fasteners & machined parts
Hermetically sealed sight glasses & structural components
High-strength sight windows, gaskets & specialty fasteners
Liquid indicators and high-precision sealing solutions
Custom sanitary fittings & glass-metal sight ports
Ready to Start Your Project?
Looking for a reliable manufacturing partner that delivers real results? Contact Electro-Seal today to discuss your custom parts, OEM components, or high-volume machining needs. We’re here to help — from design to delivery.
“Electro-Seal consistently exceeds our expectations. Their precision and quality control are unmatched — we trust them with our most critical components.”