New Hampshire · MSHA record

Swenson Gray Quarry

Swenson Granite Company LLC

MSHA operator: Swenson Granite Company LLC
Source name: SWENSON GRAY QUARRY
Quarry / operation: SWENSON GRAY QUARRY
Location: Concord, New Hampshire
Color families: Gray
MSHA ID: 2700083
Reported status: MSHA: Active · Mine ID 2700083
MSHA record details
SWENSON GRAY QUARRY
Snapshot: 18 September 2026. Mine source record 2700083 · Look up this ID at MSHA · Status effective 29 December 1982
Regulatory classification; confirm current supply separately.
Mine source record
Record type: Quarry / mining operation

Reported workforce

31 workers in this MSHA record

MSHA’s NO_EMPLOYEES field comes from the Mine Information Form. The snapshot is dated 18 Sept 2026; it does not give this field a reporting-period date. These are mine-record figures, not current company headcounts or proof of production.

MSHA field definitions Explore Polycor

Register classification

Architectural producer

Curated group: Polycor

A research classification, separate from MSHA operating status.

Related material listings

Concord Gray Granite

Confirm before specifying

Ask the supplier about current availability, material range, fabrication and test data for your application. A listing or MSHA status does not establish supply readiness.

Look up this mine ID at MSHA

MSHA snapshot dated 18 September 2026. Company names identify operators, not verified parent-company ownership.