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Ackerman & Baynes, LLC

4211 Erdman Ave, Baltimore, MD 21213

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 5 SOURCES

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

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Homepage of Ackerman & Baynes, LLC
Their homepage, crawled JUL 2026

What they make

Fabricated Structural Metal Manufacturing332312
  • bridge components
  • highway sign structures
  • tanks
  • metal forming
  • fabricating equipment
  • overhead cranes
  • CLOSE
  • SolidWorks
  • PDF files
  • TIF files
  • DelDot DBE Certified

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

CAREERS
Careers page — seen SEP 8, 2026

Where it is

39.31269, -76.56702 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

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Baltimore Fabrication, LLCBaltimoreFabricated Structural Metal Manufacturing
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REPORTED CLOSED2.6 KM

Every listed plant in Baltimore County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 12 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 AIR, AIRS/AFS, MD-PEMIS, MD-RCRA, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record J9VRWGJEHM87 · first seen AUG 2025 · last seen SEP 2026
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 830420473|MD|21213|4211 erdman ave · first seen DEC 2024 · last seen DEC 2024
  • SBA Paycheck Protection Program loan recordsEXISTENCE
    Record MD|baltimore|4211 erdman ave · first seen JAN 2021 · last seen JAN 2021
  • EPA Facility Registry ServiceEXISTENCE
    Record 110001769408 · first seen JAN 2015 · last seen JAN 2015

IN BALTIMORE COUNTY10 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 7 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.

Name
EPA: ACKERMAN - BAYNES LLC · JUL 2026 · ON THIS PAGE
SAM.gov: ACKERMAN & BAYNES, LLC · SEP 2026 · ON THIS PAGE
Street addressSOURCES DISAGREE
EPA: 4211 ERDMAN AVENUE · JUL 2026
SAM.gov: 4211 ERDMAN AVE · SEP 2026 · ON THIS PAGE
City
EPA: BALTIMORE · JUL 2026 · ON THIS PAGE
SAM.gov: BALTIMORE · SEP 2026 · ON THIS PAGE
State
EPA: MD · JUL 2026 · ON THIS PAGE
SAM.gov: MD · SEP 2026 · ON THIS PAGE
County (FIPS code)
EPA: 24510 · SEP 2026
Coordinates
EPA: 39.312692,-76.567019 · JUL 2026
Employees (band)
DOL: 20-99 · DEC 2024
Website
SAM.gov: www.ackbay.com · SEP 2026
CAGE code
SAM.gov: 1KDQ6 · SEP 2026
Retirement plan filing (Form 5500)
DOL: 27 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan
SBA PPP: PPP loan x2, approved 2021-01-30, 26 jobs reported · JAN 2021
SAM registration expires
SAM.gov: 2027-08-31 · SEP 2026

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