R.e. Darling Co., INC.

What they make

• rubber mixing
• Military Aviation Oxygen Breathing Hose
• Emergency Oxygen
• Bottle Kit
• Aircraft Ejection Seats
• LOX Hose
• Liquid Oxygen System
• Pilot Support
• Life Support Hose Manufacturing
• Rocket Motor Case Insulation
• Composite Compression Molding

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

Where it is

Other plants nearby

Every listed plant in Pima County

Also at this address

No other federal record shares this street address.

Where this record comes from

6 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 AZURITE, ICIS, NCDB, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen SEP 2026
• OSHA injury and illness reportsOPERATING
  Record 1440618 · first seen DEC 2025 · last seen DEC 2025
• SAM.gov entity registrationOPERATING
  Record Q98EVCAE4SB8 · first seen DEC 2025 · last seen DEC 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 860574120|AZ|85705|3749 n romero rd · first seen MAR 2025 · last seen MAR 2025
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record AZ|tucson|3749 n romero rd · first seen APR 2020 · last seen APR 2020
• EPA Facility Registry ServiceEXISTENCE
  Record 110000471935 · first seen JUN 2016 · last seen JUN 2016

ALSO RECORDED ASRE DARLING CO INC

IN PIMA COUNTY1 other plant shares this one’s industry (Resin, Synthetic Rubber, and Artificial and Synthetic Fibers and Filaments Manufacturing, NAICS 3252); 0 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: RE DARLING CO INC · JUL 2026

SAM.gov: R.E. DARLING CO., INC. · DEC 2025 · ON THIS PAGE

Street address

EPA: 3749 N ROMERO RD · JUL 2026 · ON THIS PAGE

SAM.gov: 3749 N ROMERO RD · DEC 2025 · ON THIS PAGE

City

EPA: TUCSON · JUL 2026 · ON THIS PAGE

SAM.gov: TUCSON · DEC 2025 · ON THIS PAGE

State

EPA: AZ · JUL 2026 · ON THIS PAGE

SAM.gov: AZ · DEC 2025 · ON THIS PAGE

County (FIPS code)

EPA: 04019 · SEP 2026

Coordinates

Census geocoder: 32.275293227424,-111.003448274668 · JUL 2026 · ON THIS PAGE

EPA: 32.27524,-111.00337 · JUL 2026 · ON THIS PAGE

Employees (band)

OSHA: 100-499 · DEC 2025

Website

SAM.gov: http://www.redarling.com · DEC 2025

CAGE code

SAM.gov: 28445 · DEC 2025

Retirement plan filing (Form 5500)

DOL: 212 active participants, plan year ending 2025-03-31, 2 plan(s) · MAR 2025

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-28, 173 jobs reported · APR 2020

SAM registration expires

SAM.gov: 2026-12-09 · DEC 2025