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Gibraltar Rock, INC.

484 County Road 601, Belle Mead, NJ 08502

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 2 SOURCES

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

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Homepage of Gibraltar Rock, INC.
Their homepage, crawled JUL 2026

What they make

Ready-Mix Concrete Manufacturing327320

Silvi Materials supplies ready-mix concrete, crushed stone products in various colors and sizes, sand, cement, slag, and salt. The company operates two marinas offering break bulk stevedoring, truck and rail distribution, barge shipping, and bulk material storage, along with quality control and cement, slag, and salt sales. The text names Environmental Product Declarations (EPDs) and CarbonCure™ as sustainability practices employed.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

40.45186, -74.68810 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

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Silvi Concrete of KingstonPrincetonReady-Mix Concrete Manufacturing
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Every listed plant in Somerset County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 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.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGDEC 2025DEC 2025
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVDEC 2025
CAGE CODESAM GOVDEC 2025
CITYSAM GOVDEC 2025
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVDEC 2025
REGISTRATION EXPIRATIONSAM GOVDEC 2025
STATESAM GOVDEC 2025
WEBSITESAM GOVDEC 2025

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

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