FactoryRegistry
Claim a page

Macro Magnetics LLC

1500 Marion Ave, Grand Haven, MI 49417

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

Visit websiteDirectionsGo to companyClaim this pageGet the badge
Homepage of Macro Magnetics LLC
Their homepage, crawled JUL 2026

What they make

Power, Distribution, and Specialty Transformer Manufacturing335311
  • custom dry type transformers
  • industrial power
  • transformer disconnects
  • hand held terminals
  • engineered electrical products
  • commercial OEM
  • drives
  • ground power
  • copper
  • electronics
  • solid state electronic circuitry

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

CAREERS
Careers page — seen SEP 8, 2026

Where it is

43.05299, -86.20559 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Light CORP INC.Grand HavenCommercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
335132
 ACTIVE1.9 KM
Leading Edge Controls LLCSpring LakeRelay and Industrial Control Manufacturing
335314
 ACTIVE2.4 KM
Oleco, INC.Spring LakeCurrent-Carrying Wiring Device Manufacturing
335931
 ACTIVE6.0 KM
Baker Engineering, LLCNunicaMachine Shops
332710
 ACTIVE8.9 KM
A.B. Electrical Wires, Inc.MuskegonRelay and Industrial Control Manufacturing
335314
 LIKELY ACTIVE17.2 KM

Every listed plant in Ottawa County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 9 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.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record NBFCA9754B28 · first seen OCT 2025 · last seen SEP 2026
  • OSHA injury and illness reportsOPERATING
    Record 1454822 · first seen DEC 2025 · last seen DEC 2025

IN OTTAWA COUNTY2 other plants share this one’s industry (Electrical Equipment Manufacturing, NAICS 3353); 1 of them has 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.

Name
SAM.gov: MACRO MAGNETICS LLC · SEP 2026
Street address
SAM.gov: 1500 MARION AVE · SEP 2026
City
SAM.gov: GRAND HAVEN · SEP 2026
State
SAM.gov: MI · SEP 2026
Coordinates
Census geocoder: 43.05299208983,-86.205591942693 · JUL 2026
Employees (band)
OSHA: 20-99 · DEC 2025
Website
SAM.gov: https://macromagnetics.com/ · SEP 2026
CAGE code
SAM.gov: 9F8T5 · SEP 2026
SAM registration expires
SAM.gov: 2027-08-20 · SEP 2026

Report a correction · Request removal