Sources & method / Granites of America Documented sources and company information for Granites of America.
Source note Public business name normalized to Granites of America. Seventeen imported supplier listings have current official material pages. Chelmsford Gray retains a supplier-only listing with current direct supply under review; its quarry is not attributed to Granites of America because Fletcher documents different current ownership. The original register grouping, supplier names and regulatory records remain in the research archive.
Stones 15 verified own-quarry stones · 2 with origin unconfirmed
Granite · Maine
Colour families: Black
Documented quarry operator: Granites of America
Producer relationship evidence The material page identifies the Addison, Maine quarry and describes its acquisition from Fletcher Granite.
Relationship source 1 The producer's history includes Addison Black among its acquired quarries and describes continued family operation.
Relationship source 2 Relationship reviewed 2026-09-29
Origin unconfirmed
Granite · South Carolina
Colour families: Gray
Producer relationship evidence The material is attributed to this producer; its quarry origin or operating relationship has not been confirmed.
Relationship reviewed 2026-09-25
Granite · Maine
Colour families: Black, Gray, Pink, White
Documented quarry operator: New England Stone / Granites of America
Producer relationship evidence Deer Isle is explicitly tied to the purchased Crotch Island quarry in Maine.
Relationship source 1 The history connects the Deer Isle quarry acquisition with New England Stone and identifies it within the Granites of America group.
Relationship source 2 Relationship reviewed 2026-09-29
Granite · Virginia
Colour families: Black
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-25
Granite · South Carolina
Colour families: Cream / buff, Pink
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-25
Granite · South Carolina
Colour families: Gray
Documented quarry operator: Georgia Stone Industries / Granites of America
Producer relationship evidence The Kershaw material page describes the producer quarrying this granite for the National WWII Memorial.
Relationship source 1 The history expressly includes Kershaw in the acquired quarry portfolio operated through Georgia Stone Industries.
Relationship source 2 Relationship reviewed 2026-09-29
Granite · New Hampshire
Colour families: Gray
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-25
Granite · New Hampshire
Colour families: Pink
Documented quarry operator: Granites of America
Producer relationship evidence The current page identifies Madison Pink / New Hampshire Pink at Madison, New Hampshire. This establishes the Madison portion of the existing record, without verifying Conway as an alias.
Relationship source 1 The producer explicitly includes Madison Pink in its acquired Fletcher quarry portfolio and states continued family operation.
Relationship source 2 Relationship reviewed 2026-09-29
Origin unconfirmed
Granite · New Hampshire
Colour families: Cream / buff
Producer relationship evidence The material is attributed to this producer; its quarry origin or operating relationship has not been confirmed.
Relationship reviewed 2026-09-29
Granite · Georgia
Colour families: Gray
Documented quarry operator: Granites of America
Producer relationship evidence The producer's published quarry locator explicitly lists Midnight Grey at Lexington, Georgia.
Relationship source 1 The current material page gives the same named location as the quarry locator.
Relationship source 2 Relationship reviewed 2026-09-29
Granite · Massachusetts
Colour families: Cream / buff, Pink, White
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-29
Granite · Georgia
Colour families: Gray
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-29
Granite · South Dakota
Colour families: Red
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-25
Granite · Georgia
Colour families: Black, Gray, White
Documented quarry operator: Granites of America
Producer relationship evidence The producer's published quarry locator explicitly lists Silver Cloud Imperial at Conyers, Georgia.
Relationship source 1 The current material page gives the same named location as the quarry locator.
Relationship source 2 Relationship reviewed 2026-09-29
Granite · Georgia
Colour families: Cream / buff, Pink
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-29
Granite · New Hampshire
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-29
Granite · Texas
Colour families: Pink, Red
Documented quarry operator: Granites of America
Producer relationship evidence Relationship reviewed 2026-09-29
Colours and uses reflect the linked source descriptions. Confirm origin, samples and suitability for the proposed application with the producer.
8 linked MSHA operations These are the records linked by the curated register, which may cover only part of the producer’s operations. Portable records and facilities are identified separately.
Georgia Stone Management LLC
Milbank, South Dakota · MSHA 3901076
Georgia Stone Management LLC
Rapidan, Virginia · MSHA 4400141
Georgia Stone Management LLC
HOPKINTON, Massachusetts · MSHA 1900663
Georgia Stone Management LLC
Milford, New Hampshire · MSHA 2700002
Georgia Stone Management LLC
Mason, New Hampshire · MSHA 2700151
Georgia Stone Management LLC
Heath Springs, SC, South Carolina · MSHA 3800586
Georgia Stone Management LLC
Kershaw, SC, South Carolina · MSHA 3800020
Georgia Stone Management LLC
ESMOND, Maine · MSHA 1700570
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 .
Why this producer is here Documented materials or architectural quarry records support this listing. An exact mine identity is not inferred where no supported association exists. NSI membership, photographs and employee count are not eligibility requirements.
Register grouping Granites of AmericaCurated relationship; not an independent ownership audit.
Register source Quarried quarry and producer source registerRegister reviewed 2026-09-23; MSHA snapshot 18 Sept 2026.
NSI catalogue coverage At least one associated material or operation has an NSI catalogue match.Catalogue coverage does not establish current membership.