Since 1910 Precision metal finishing for aerospace, defense & industry.
NADCAP & ISO-Certified Metal Finishing

Where the finish comes first.

F.M. Callahan & Son is a NADCAP and ISO 9001 certified electroplater serving aerospace, defense, automotive, medical, communications and other critical industries with repeatable, spec-compliant finishes.

Silver, gold, nickel, zinc, copper & more
40,000 sq. ft. facility • Malden, MA
Capabilities

Plating, surface treatments & anodizing

From precious metals to chem film and anodic coatings, FM Callahan provides a tightly controlled menu of processes to meet aerospace and industrial specifications.

Plating Services
Plated finishes
Silver and gold, sulfamate nickel, electroless nickel, bright nickel, copper, tin and tin-lead—applied with rack and barrel options to protect critical features.
Silver • Gold • Nickel • Copper • Tin
Surface Treatments
Surface preparation & protection
Aluminum conversion coatings, titanium cleaning, pickling, passivation of stainless steel and black oxide finishes that support both function and appearance.
Passivation • Chem film • Black oxide
Anodizing
Type II & Type III anodize
Sulfuric anodize (Type II) and hardcoat anodize (Type III) in a range of colors, tailored for wear, corrosion resistance and downstream paint or bonding.
Type II & III • Multi-color options
About FM Callahan

A century of metal finishing in New England

F.M. Callahan & Son, Inc. is a NADCAP and ISO 9001 certified, ITAR-registered electroplater operating from a 40,000 square foot, state-of-the-art facility in Malden, Massachusetts.

We provide precious metal plating, electroless and sulfamate nickel, zinc, copper, tin and tin-lead, along with conversion coatings, passivation, pickling and black oxide—supported by rigorous lab control and inspection.

  • Rack and barrel plating to protect critical geometries
  • In-house lab for bath chemistry and thickness verification
  • Processes qualified to aerospace, defense and medical specs
Our facility, plating lines, and testing equipment.
Industries Served

Finishes for critical applications

FM Callahan supports OEMs and Tier 1 suppliers across aerospace, defense and high-reliability sectors where coating performance is directly tied to safety and uptime.

Aerospace
Fixed-wing & rotorcraft
Finishes for structures, actuation, landing gear and engine components that must pass stringent aerospace specifications.
Defense
Defense & military systems
Metal finishing supporting radar, communications, weapons, vehicles and other mission-critical defense platforms.
Automotive
Specialty & performance
Corrosion-resistant coatings and decorative finishes for performance-critical and specialty automotive components.
Medical
Biomedical & devices
Finishes that support cleanliness, conductivity and compatibility for medical and biomedical hardware.
Communications
RF & communications
Plating for RF components, connectors and enclosures where conductivity and shielding are essential.
Industrial
Industrial & commercial
Robust, repeatable coatings for general industrial and commercial applications requiring long-term protection.

Terms and Conditions

These Terms and Conditions establish the mandatory quality, compliance, and ethical requirements applicable to all suppliers supporting F.M. Callahan & Son. Adherence to this document ensures product conformity, supply chain integrity, and alignment with applicable customer, regulatory, and industry standards.

Certifications & quality systems

FM Callahan operates under NADCAP and ISO 9001 certification with robust quality systems, documented procedures and thorough recordkeeping.

Contact

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22 Sharon Street, Malden, MA 02148 • Easy access to Greater Boston and New England manufacturing centers.