Apc International LTD.

What they make

• buzzers
• composite materials
• air transducers
• stack actuators
• stripe actuators
• ultrasonic transducers
• cylinders
• amplifiers
• nebulizers
• shear mode plates
• Ceramics
• custom elements

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Location not verified — this address could not be matched to Census TIGER, so the facility is not placed on the map.

Other plants nearby

No other listed facility within 40 km shares this one’s four-digit industry code, or this record has no coordinates to measure from.

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record C2B2CAMBFAR3 · first seen NOV 2025 · last seen NOV 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 232785300|PA|17750|213 duck run rd · first seen DEC 2024 · last seen DEC 2024

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

SAM.gov: APC INTERNATIONAL LTD. · NOV 2025

Street address

SAM.gov: 213 DUCK RUN ROAD · NOV 2025

City

SAM.gov: MACKEYVILLE · NOV 2025

State

SAM.gov: PA · NOV 2025

Employees (band)

DOL: 20-99 · DEC 2024

Website

SAM.gov: http://www.americanpiezo.com · NOV 2025

Year established

PA DOS: 1994 · DEC 1994

CAGE code

SAM.gov: 51PM9 · NOV 2025

Retirement plan filing (Form 5500)

DOL: 35 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

SAM registration expires

SAM.gov: 2026-11-04 · NOV 2025

State business registration

PA DOS: Apc International Ltd., registered with the Pennsylvania Department of State; Corporation; formed 1994-12-05; active · DEC 1994