Duffens Optical

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Bear Woman Enterprises LLC	Denver	Cut and Sew Apparel Contractors 315210	● ACTIVE	1.0 KM
Ufp Technologies INC	Denver	Urethane and Other Foam Product (except Polystyrene) Manufacturing 326150	● ACTIVE	1.0 KM
OTOrthobarrier Technologies LLC	Denver	Surgical Appliance and Supplies Manufacturing 339113	● ACTIVE	2.8 KM
RMRocky Mountain Orthodontics	Denver	Precision Turned Product Manufacturing 332721	◇ UNVERIFIED	2.5 KM
QMQuandary Medical, LLC	Denver	Surgical and Medical Instrument Manufacturing 339112	◇ UNVERIFIED	3.5 KM

Every listed plant in Denver County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 8 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 RCRAINFO · EPA site type STATIONARY.

• OSHA injury and illness reportsOPERATING
  Record 1312375 · first seen DEC 2025 · last seen DEC 2025
• EPA ECHO compliance recordsOPERATING
  first seen JUN 2018 · last seen JUN 2018
• EPA Facility Registry ServiceEXISTENCE
  Record 110055442463 · first seen JUL 2013 · last seen JUL 2013

ALSO RECORDED ASDufens Optical

IN DENVER COUNTY8 other plants share this one’s industry (Medical Equipment and Supplies Manufacturing, NAICS 3391); 2 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: DUFFENS OPTICAL · OCT 2026

Street address

EPA: 2929 W 9TH AVE · OCT 2026

City

EPA: DENVER · OCT 2026

State

EPA: CO · OCT 2026

County (FIPS code)

EPA: 08031 · OCT 2026

Coordinates

Census geocoder: 39.731252880186,-105.023924343625 · JUL 2026 · ON THIS PAGE

EPA: 39.73116,-105.02358 · OCT 2026 · ON THIS PAGE

Employees (band)

OSHA: 20-99 · DEC 2025

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026