FRS Facility Detail Report


LOCKE INSULATORS INC

EPA Registry Id: 110001767482
2525 INSULATOR DRIVE
BALTIMORE, MD 21230-5098


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
BIENNIAL REPORTERS
LOCKE INSULATORS INC MDD064874712 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2017
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
LOCKE INSULATORS INC MDD064874712 LQG (Y) RCRAINFO

MARYLAND - PERMANENT (AIR) EMISSION
LOCKE INSULATORS 510-0306 STATE MASTER MD-PEMIS
-
AIR MINOR
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LOCKE INSULATORS INC MDR003246 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
LOCKE INSULATORS 2451000306 AIR MINOR (OPERATING) AIRS/AFS 02/05/2014
MARYLAND - ENVIRONMENTAL PERMIT SERVICE CENTER
LOCKE INSULATORS, INC. 4264 STATE MASTER MD-EPSC
-
NPDES NON-MAJOR
MARYLAND - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS (TEMPO)
LOCKE INSULATORS, INC. 3293 STATE MASTER MD-TEMPO
MDE_TEMPO-510-0306-6-1987

MDE_TEMPO-510-0306-6-1988

MDE_TEMPO-510-0306-6-1991

MDE_TEMPO-510-0306-7-1695

MDE_TEMPO-510-0306-7-1697

MDE_TEMPO-510-0306-4-3130

MDE_TEMPO-510-0306-5-2119

MDE_TEMPO-510-0306-6-1989

MDE_TEMPO-510-0306-6-1992

MDE_TEMPO-510-0306-9-1254

MDE_TEMPO-510-0306-9-1255

MDE_TEMPO-510-0306-7-1696

MDE_TEMPO-510-0306-6-1990

MDE_TEMPO-510-0306-5-2120

MDE_TEMPO-510-0306-6-1985

MDE_TEMPO-510-0306-6-1984

MDE_TEMPO-510-0306-6-1986

MDE_TEMPO-510-0306-9-1253

OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION INFORMATION SYSTEM
LOCKE INSULATORS, INC. 340652585 OSHA ESTABLISHMENT OSHA-OIS 09/12/2018
ICIS-AIR (AIR)
LOCKE INSULATORS MD0000002451000306 AIR MINOR ICIS 10/19/2014
MARYLAND-RESOURCE CONVERSATION AND RECOVERY ACT DATABASE
NGK LOCKE INSULATORS INC 3293 STATE MASTER MD-RCRA
-MDD064874712
HAZARDOUS WASTE PROGRAM
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LOCKE INSULATORS, INC. MD0002763 ICIS-NPDES NON-MAJOR ICIS 08/31/2016 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
MD-PEMIS
3264
PORCELAIN ELECTRICAL SUPPLIES

MD-RCRA
3264
PORCELAIN ELECTRICAL SUPPLIES

MD-TEMPO
3264
PORCELAIN ELECTRICAL SUPPLIES

AIR
3264
PORCELAIN ELECTRICAL SUPPLIES

MD-TEMPO
3629
ELECTRICAL INDUSTRIAL APPARATUS, NOT ELSEWHERE CLASSIFIED

MD-EPSC
3629
ELECTRICAL INDUSTRIAL APPARATUS, NOT ELSEWHERE CLASSIFIED

AIRS/AFS
3264
PORCELAIN ELECTRICAL SUPPLIES

NPDES
3264
PORCELAIN ELECTRICAL SUPPLIES

NPDES
3264
PORCELAIN ELECTRICAL SUPPLIES

MD-TEMPO
UNK



Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 03
Legislative District Number:
HUC Code/Watershed: 02060003 / GUNPOWDER-PATAPSCO
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
NGK LOCKE INSULATORS INC MD-RCRA

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
ORGANIZATION
LOCKE INSULATORS, INC.
MD-TEMPO
View
OWNER
LOCKE INSULATORS, INC.
MD-TEMPO
View
OPERATOR
NGK LOCKE INSULATORS
RCRAINFO
View
OWNER
NGK LOCKE INSULATORS
RCRAINFO
View
MAILING ADDRESS
LOCKE INSULATORES INC.
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 327113 PORCELAIN ELECTRICAL SUPPLY MANUFACTURING.
AIRS/AFS 327113 PORCELAIN ELECTRICAL SUPPLY MANUFACTURING.
MD-TEMPO 327113 PORCELAIN ELECTRICAL SUPPLY MANUFACTURING.
OSHA-OIS 327113 PORCELAIN ELECTRICAL SUPPLY MANUFACTURING.
RCRAINFO 327110

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 2525 INSULATOR DRIVE BALTIMORE MD 21230 AIRS/AFS
GENERAL CONTACT 2525 INSULATOR DRIVE BALTIMORE MD 21230 MD-TEMPO
OWNER 2525 INSULATOR DRIVE BALTIMORE MD 21230 RCRAINFO
ORGANIZATION 2525 INSULATOR DRIVE BALTIMORE MD 21230 MD-TEMPO
OWNER 2525 INSULATOR DRIVE BALTIMORE MD 21230 MD-TEMPO
OWNER 2525 INSULATOR DRIVE BALTIMORE 21230 MD-EPSC
FACILITY MAILING ADDRESS 2525 INSULATOR DRIVE BALTIMORE MD 21230 AIR
MAILING ADDRESS 2525 INSULATOR DR. BALTIMORE MD 21230 NPDES
INDIVIDUAL 2525 INSULATOR DRIVE BALTIMORE MD 21230 MD-TEMPO
REGULATORY CONTACT 2525 INSULATOR DRIVE BALTIMORE MD 21230 RCRAINFO
FACILITY MAILING ADDRESS 2525 INSULATOR DRIVE BALTIMORE MD 21230 RCRAINFO
OPERATOR 2525 INSULATOR DRIVE BALTIMORE MD 21230 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
OWNER
LOCKE INSULATORS


MD-PEMIS


GENERAL CONTACT
CHARLES J FADER
410-347-1749
MD-TEMPO
View
INDIVIDUAL
DAN RUDDICK
410-967-9540
MD-TEMPO
View
INDIVIDUAL
CHARLES J FADER
410-347-1749
MD-TEMPO
View
GENERAL CONTACT
DAN RUDDICK
410-967-9540
MD-TEMPO
View
OWNER
LOCKE INSULATORS, INC.
410-752-8020
MD-EPSC
View

Query executed on: OCT-14-2025