Central Stone Co

Company facts

FY2025 rankings: #2 in NAICS 21231

#3 in NAICS 2123

#4 in NAICS 212

#4 in PSC 5610

#9 in NAICS 21

and 1 more
Self-certified in SAM.gov: For Profit Organization

Manufacturer of Goods
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 212313 Crushed and Broken Granite Mining and Quarrying
Corporate family: Riverstone Group, Inc. Parent Davenport, IA C12HR6MA8HP4

Central Stone Co
SAM.gov registration date: Oct 29, 2001
Physical address: 1195 Smizer Mill Rd, Fenton, MO 63026, USA
Website: centralstone.com
Employees: 51-250
Estimated annual revenue: $10M-$50M
Industry: Materials

Metals & Mining
SIC code: 14 Nonmetallic Minerals, Except Fuels
Profiles: LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jul 6, 2026.

Award	Agency	Obligated	Awarded
Type 2 rock W912DQ25P1039	ENDIST Kansas City (USACE)	$4,902,456	Jul 14, 2025
Various types and amounts of aggregate for lock and DAM 20 canton MO 63435 W912EK16P0009	ENDIST Rock Island (USACE)	$21,460	Dec 2, 2015
650 tons of CA-6 rock for bear creek REC, canton chute, and john HAY recreation area W912EK13P0179	ENDIST Rock Island (USACE)	$9,779	Jul 18, 2013
Contract for 500 ton of CA-6 roadway rock for US army corps of engineers, lock and DAM 18, iowa side of levee. This… W912EK12P0189	ENDIST Rock Island (USACE)	$9,348	Jul 2, 2012
CM6D road rock for recreational areas W912EK09P0287	ENDIST Rock Island (USACE)	$9,161	Jun 26, 2009

Yes. Central Stone Co's SAM.gov registration is active through July 6, 2027.

Federal contracts obligated $4,902,456 to Central Stone Co in fiscal year 2025.

Central Stone Co ranked #2 in NAICS 21231, #3 in NAICS 2123 and #4 in NAICS 212 in FY2025.

Central Stone Co's most recent federal contract award is Type 2 rock (W912DQ25P1039), from ENDIST Kansas City (USACE), on July 14, 2025.

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