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Mack Prototype, INC

424 Main St, Gardner, MA 01440

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 4 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Mack Prototype, INC
Their homepage, crawled JUL 2026

What they make

All Other Plastics Product Manufacturing326199

Mack Prototype specializes in complex prototyping and low-volume production using additive manufacturing, urethane casting, plastic injection molding, and CNC machining. The company employs technologies including Carbon Digital Light Synthesis, Fused Deposition Modeling, HP Multi Jet Fusion, Stereolithography, and Selective Laser Sintering, working with elastic, flexible, and rigid materials.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Products

Made or handled here · 3
Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer · Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer · Template
Where these came from
3 from FDA device registration · Federal registry
FDA device establishment 3005279746, product code JWH

Where it is

42.56870, -71.98945 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

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Every listed plant in Worcester County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in AIR, MA-EPICS, RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
FDA DEVICESOPERATINGAUG 2026AUG 2026
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGFEB 2026FEB 2026
EPA FRSEXISTENCEOCT 2016OCT 2016
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVFEB 2026
CAGE CODESAM GOVFEB 2026
CITYEPA FRSJUL 2026
CITYSAM GOVFEB 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVFEB 2026
REGISTRATION EXPIRATIONSAM GOVFEB 2026
STATEEPA FRSJUL 2026
STATESAM GOVFEB 2026
WEBSITESAM GOVFEB 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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