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
See our facility, processes, and operation in motion.
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.

Military aircraft aerospace application
Aerospace
Fixed-wing & rotorcraft
Finishes for structures, actuation, landing gear and engine components that must pass stringent aerospace specifications.
Army tank application
Defense
Defense & military systems
Metal finishing supporting radar, communications, weapons, vehicles and other mission-critical defense platforms.
Dodge Challenger, automotive application
Automotive
Specialty & performance
Corrosion-resistant coatings and decorative finishes for performance-critical and specialty automotive components.
Medical lab, research application
Medical
Biomedical & devices
Finishes that support cleanliness, conductivity and compatibility for medical and biomedical hardware.
Communications tower, application
Communications
RF & communications
Plating for RF components, connectors and enclosures where conductivity and shielding are essential.
Industrial office
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.