Operator census

10,000 companies

A public-domain universe for surveying gravel pits, crushed-stone quarries, copper, aluminum, and precious-metal operators in every state. Named majors occupy the first census slots. The rest are a deterministic county-level census — stable IDs so a QR code never drifts.

10,000 matching

ID	Operator	Kind	HQ	Crew	Export
LTH-C00001	Vulcan Materialsnamed	Crushed stone	Birmingham, AL	11,900	2%	Survey
LTH-C00002	Martin Mariettanamed	Crushed stone	Raleigh, NC	9,400	3%	Survey
LTH-C00003	CRH Americas Materialsnamed	Multi-commodity	Atlanta, GA	8,700	4%	Survey
LTH-C00004	Heidelberg Materials North Americanamed	Multi-commodity	Irving, TX	7,200	5%	Survey
LTH-C00005	CEMEX USAnamed	Multi-commodity	Houston, TX	4,500	8%	Survey
LTH-C00006	Summit Materialsnamed	Sand & gravel	Denver, CO	5,200	1%	Survey
LTH-C00007	Knife Rivernamed	Sand & gravel	Bismarck, ND	3,800	2%	Survey
LTH-C00008	Granite Constructionnamed	Sand & gravel	Watsonville, CA	2,100	0%	Survey
LTH-C00009	Luck Stonenamed	Crushed stone	Richmond, VA	1,100	0%	Survey
LTH-C00010	Texas Crushed Stonenamed	Crushed stone	Georgetown, TX	420	0%	Survey
LTH-C00011	Freeport-McMoRannamed	Copper	Phoenix, AZ	12,800	35%	Survey
LTH-C00012	Rio Tinto Kennecottnamed	Copper	South Jordan, UT	2,300	40%	Survey
LTH-C00013	ASARCOnamed	Copper	Tucson, AZ	1,800	28%	Survey
LTH-C00014	Capstone Copper (USA)named	Copper	Globe, AZ	700	30%	Survey
LTH-C00015	KGHM Robinsonnamed	Copper	Ruth, NV	650	45%	Survey
LTH-C00016	Montana Resourcesnamed	Copper	Butte, MT	380	20%	Survey
LTH-C00017	Nevada Gold Minesnamed	Precious metals	Elko, NV	7,200	70%	Survey
LTH-C00018	Newmont — CC&Vnamed	Precious metals	Victor, CO	550	65%	Survey
LTH-C00019	Kinross Fort Knoxnamed	Precious metals	Fairbanks, AK	650	80%	Survey
LTH-C00020	Northern Star Pogonamed	Precious metals	Delta Junction, AK	400	85%	Survey

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