Sinclair Manufacturing - Quality Custom Hermetic Packages, Microwave Packages, Fiber-Optic Packages, Glass-to-Metal Seals, Ceramic Seals, Power Packages & Optical Window Caps

Count on us.

Since 1946, Sinclair Manufacturing Company has been producing quality products for our customers.

Today's Microwave, Fiber Optic and Hermetic Electronic Enclosure customers know they can rely on Sinclair to produce custom-designed high-reliability hermetic packages for the most demanding applications, using the latest materials.Our products have served the Aerospace, Medical, Optical, Communications, Industrial and Military fields reliably for decades.

Our ISO-9001 certified facility produces high quality products, when our customers need them, in the quantities they require.

For 70 years, Sinclair has focused on continuously improving our manufacturing processes and product lines in order to provide our customers with the highest possible levels of service. When you need high quality Hermetic Packages, let us be your number one source.

FastTrack your order!
Ask about faster delivery options.
Click the link above for more info.


Supplying the highest quality hermetic packages
to customers around the world for over 70 years

Hermetic Solutions Group
Acquires Sinclair Manufacturing


Kobe Steel Announcement

©2018 Sinclair Manufacturing Company
Quality Custom Hermetic Packages
Products Home Products