Aotco Metal Finishing, LLC

What they make

• metal finishing services
• anodizing
• chem film
• electroplating
• electropolishing
• passivation
• powder coating
• aluminum
• copper
• steel
• exotic metals
• aerospace

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

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
MCMitre Corporation	Bedford	Printing 323110	◇ UNVERIFIED	3.3 KM
INInteger N2 Surface Technologies	Woonsocket	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	◐ LIKELY ACTIVE	5.4 KM
Standex International Corporation	North Billerica	Fabricated Structural Metal Manufacturing 332312	▲ REPORTED CLOSED	6.1 KM
Coating Systems, INC	Lowell	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	● ACTIVE	10.9 KM
MPMillenium Plating Company	Lowell	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◇ UNVERIFIED	11.1 KM

Every listed plant in Middlesex County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Aotco Holdings, LLC

Billerica, MA

● ACTIVE332813

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, BR, CEDRI, EIS, MA-EPICS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record RB79HL1BFRF3 · first seen NOV 2025 · last seen SEP 2026
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2024 · last seen DEC 2024
• DOL Form 5500 retirement plan filingsOPERATING
  Record 831463990|MA|01821|11 suburban park dr · first seen DEC 2024 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110000309728 · first seen JUN 2017 · last seen JUN 2017

IN MIDDLESEX COUNTY51 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 15 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: AOTCO METAL FINISHING LLC · JUL 2026 · ON THIS PAGE

SAM.gov: AOTCO METAL FINISHING, LLC · SEP 2026 · ON THIS PAGE

Street address

EPA: 11 SUBURBAN PARK DR · JUL 2026 · ON THIS PAGE

SAM.gov: 11 SUBURBAN PARK DR · SEP 2026 · ON THIS PAGE

City

EPA: BILLERICA · JUL 2026 · ON THIS PAGE

SAM.gov: BILLERICA · SEP 2026 · ON THIS PAGE

State

EPA: MA · JUL 2026 · ON THIS PAGE

SAM.gov: MA · SEP 2026 · ON THIS PAGE

County (FIPS code)

EPA: 25017 · SEP 2026

Coordinates

EPA: 42.53044,-71.25473 · JUL 2026

Employees (band)

DOL: 100-499 · DEC 2024

Website

SAM.gov: www.aotco.com · SEP 2026

CAGE code

SAM.gov: 9R199 · SEP 2026

Retirement plan filing (Form 5500)

DOL: 116 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

SAM registration expires

SAM.gov: 2027-09-15 · SEP 2026

State business registration

Sunbiz: AOTCO METAL FINISHING INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in Massachusetts; registered 2009-11-16; revoked 2019-09-27 · SEP 2019