Ridge Engineering, LLC.

3987 Hampstead Mexico Rd, Hampstead, MD 21074

LIKELY ACTIVELAST SEEN IN FEDERAL DATA MAY 2026 · 4 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Fabricated Structural Metal Manufacturing332312

Products

Sold by RIDGE ENGINEERING, LLC. · 13

Aircraft Gunnery Fire Control Components · Antennas, Waveguides, And Related Equipment · Bolts · Bushings, Rings, Shims, And Spacers · Electronic Countermeasures, Counter-Countermeasures And Quick Reaction Capability Equipment · Fittings For Rope, Cable, And Chain · Gears, Pulleys, Sprockets, And Transmission Chain · Hardware, Commercial · Lugs, Terminals, And Terminal Strips · Miscellaneous Power Transmission Equipment · Nuts And Washers · Radar Equipment, Airborne · Radar Equipment, Except Airborne

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

13 from usaspending_psc · Federal registry

Supplied under federal award SPE4A724P9504 (2024-04-11), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

39.61373, -76.85629 · CENSUS TIGER

COUNTY

Carroll County

METRO AREA

Baltimore-Columbia-Towson, MD

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STREET VIEW

Open street-level view — JUL 2024

Other plants nearby

Facility	City	Industry	Status	Distance
Western Industrial Machining, INC.	Hampstead	Machine Shops 332710	ACTIVE	4.1 KM
Wilton Corporation	Finksburg	Fabricated Structural Metal Manufacturing 332312	LIKELY ACTIVE	13.1 KM
A. O. Companies, INC.	Reisterstown	Industrial Gas Manufacturing 325120	ACTIVE	18.0 KM
Lees Welding & Fabrication	Owings Mills	Ornamental and Architectural Metal Work Manufacturing 332323	UNVERIFIED	24.9 KM
R.h. Sheppard Co., INC.	Hanover	Sheet Metal Work Manufacturing 332322	LIKELY ACTIVE	23.9 KM

Every listed plant in Carroll County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

SAM.gov entity registrationOPERATING
Record JAJLFWTJEQG1 · first seen MAY 2026 · last seen MAY 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 520908121|MD|21074|3987 hampstead mexico rd · first seen APR 2025 · last seen APR 2025
SBA Paycheck Protection Program loan recordsEXISTENCE
Record MD|hampstead|3987 hampstead mexico rd · first seen JUL 2020 · last seen JUL 2020
EPA Facility Registry ServiceEXISTENCE
Record 110003511593 · first seen JAN 2016 · last seen JAN 2016

ALSO RECORDED ASRIDGE ENGINEERING, INC

IN CARROLL COUNTY4 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 3 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

NameSOURCES DISAGREE: EPA: RIDGE ENGINEERING, INC · JUL 2026; SAM.gov: RIDGE ENGINEERING, LLC. · MAY 2026 · ON THIS PAGE
Street address: EPA: 3987 HAMPSTEAD-MEXICO RD · JUL 2026 · ON THIS PAGE; SAM.gov: 3987 HAMPSTEAD MEXICO RD · MAY 2026 · ON THIS PAGE
City: EPA: HAMPSTEAD · JUL 2026 · ON THIS PAGE; SAM.gov: HAMPSTEAD · MAY 2026 · ON THIS PAGE
State: EPA: MD · JUL 2026 · ON THIS PAGE; SAM.gov: MD · MAY 2026 · ON THIS PAGE
County (FIPS code): EPA: 24013 · SEP 2026
Coordinates: EPA: 39.61373,-76.856287 · JUL 2026
Employees (band): DOL: 100-499 · APR 2025
CAGE code: SAM.gov: 54372 · MAY 2026
Retirement plan filing (Form 5500): DOL: 155 active participants, plan year ending 2025-04-30, 2 plan(s) · APR 2025
PPP loan: SBA PPP: PPP loan x1, approved 2020-07-30, 142 jobs reported · JUL 2020
SAM registration expires: SAM.gov: 2027-04-29 · MAY 2026

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