Engineered to Scale

PennAero is a leading manufacturer of highly engineered fasteners and specialized components for critical aerospace, defense, space, and advanced energy applications. We partner with customers to solve their most complex challenges, bringing technical depth and disciplined, agile execution when it matters most. Experience guides our growth—strengthening capabilities and expanding our global platform as markets evolve.

PennAero is supported by decades of experience building and growing businesses in our industries.

Each PennAero company contributes specialized capabilities and deep technical knowledge, while benefiting from the scale, systems, and operational rigor of a unified organization—we respect the legacy of our brands while consistently investing in their future to deliver uncompromised reliability for our customers.

Scale only matters when it performs.

Fasteners

Monogram

Monogram Aerospace Fasteners is a leading designer and manufacturer of permanent threaded blind bolts, collars, and temporary fasteners used in commercial, business, and military aircraft.

Allfast

Allfast Fastening Systems is a leading global manufacturer of solid and blind rivets, blind bolts, temporary fasteners, and installation tools for the aerospace industry,.

Briles

Briles Aerospace is a certified manufacturer of high-strength aerospace fasteners, including standard and special bolts, with decades of experience serving OEM and tier-one customers.

American Drilling

American Drilling Company specializes in build-to print round bar components manufacturing and precision drilling services. They specialize in CNC machining including gundrilling, Swiss-style machining, honing, and wire-hole drilling for aerospace and other high-performance industries.

LubeCo

LubeCo, Inc. provides NADCAP-accredited and ITAR-registered metal finishing and chemical processing services for aerospace, defense, and related markets.

Mac Fasteners

MAC has earned a reputation for excellence in the supply of male-threaded aerospace fasteners, with parts being supplied in support of a variety of commercial and military applications.

TFI

TFI is a leader in aerospace standard fasteners, commercial and aerospace T-bolts and self-locking nuts. We support the critical applications direct to OEMs, Tier 1s, and distribution.

Engineered Components

PMI

PMI Aerospace is a precision manufacturing leader that delivers close-tolerance, precision-machined component parts and assemblies using advanced CNC turning, milling, grinding, and finishing technologies for aerospace OEMs and defense customers.

RSA

RSA Engineered Products is a leading designer and manufacturer of aircraft ducting, high temperature seal connectors, flexible joints, ozone converters, and complex assemblies for commercial and defense applications.

Martinic

Martinic Engineering is a leading manufacturer of highly-engineered complex parts, serving some of the most demanding applications in the aerospace industry.

Weldmac

Weldmac is an industry leading manufacturer of highly engineered metal formed components and complex assemblies in the aerospace, defense and power generation markets.

TAG

TAG (formerly GMT Aerospace), is a leading provider of highly engineered tie-rods and rubber-metal anti-vibration systems for commercial and military aerospace applications.