Hartzell Machine Works, Inc.
Aston, Pennsylvania · Machining & Metalwork AS9100
Est. 1937 · AS9100 · machining +5 · ✓ verified live · Aug 2026
Address
3354 Market Street, Upper Chichester, PA 19014
Phone
Website
Founded
1937
Site verified live
Yes
Secure (HTTPS)
Yes
Mobile-friendly
Yes
Website platform
WordPress, WooCommerce
Site copyright year
2018
Company type
Inc.
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Compiled from hartzellmachineworks.com and public sources — a free listing, never paid placement.