Standard Industrial Classification Codes (SIC)
Data Source
SIC Code
Description
Primary
NPDES
1422
CRUSHED AND BROKEN LIMESTONE
NPDES
1422
CRUSHED AND BROKEN LIMESTONE
NPDES
1442
CONSTRUCTION SAND AND GRAVEL
NPDES
1446
INDUSTRIAL SAND
Facility Codes and Flags
Alternative Names
Alternative Name
Source of Data
SYLVANIA CO LTD PARTNERSHIP
AIRS/AFS
GREAT LAKES AGGREGATES, L.L.C. - SYLVANIA MINERALS
EIS
SYLVANIA SAND LLC
AIR
GREAT LAKES AGGREGATE-SYLVANIA
NPDES
GREAT LAKES AGGREGATES, DENSE GRADED JAW
AIR
SYLVANIA COMPANY LTD
MANUAL ENTRY
SYLVANIA MINERALS LLC
RCRAINFO
Organizations
National Industry Classification System Codes (NAICS)
Data Source
NAICS Code
Description
Primary
AIR
212312
CRUSHED AND BROKEN LIMESTONE MINING AND QUARRYING.
EIS
212312
CRUSHED AND BROKEN LIMESTONE MINING AND QUARRYING.
AIRS/AFS
212312
CRUSHED AND BROKEN LIMESTONE MINING AND QUARRYING.
RCRAINFO
212312
CRUSHED AND BROKEN LIMESTONE MINING AND QUARRYING.
EIS
212321
CONSTRUCTION SAND AND GRAVEL MINING.
RCRAINFO
212312
CRUSHED AND BROKEN LIMESTONE MINING AND QUARRYING.
Facility Mailing Addresses
Affiliation Type
Delivery Point
City Name
State
Postal Code
Information System
MAILING ADDRESS
5699 READY ROAD
SOUTH ROCKWOOD
MI
48179
NPDES
OWNER
5699 READY ROAD
SOUTH ROCKWOOD
MI
48179
NPDES
OWNER
5699 READY RD
SOUTH ROCKWOOD
MI
48179
NPDES
REGULATORY CONTACT
5699 READY RD
SOUTH ROCKWOOD
MI
48179
RCRAINFO
FACILITY MAILING ADDRESS
5699 READY RD
SOUTH ROCKWOOD
MI
48179
RCRAINFO
Contacts
Query executed on: OCT-15-2025
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