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Mcguff Pharmaceuticals, INC

2921 W Macarthur Blvd Ste 141, Santa Ana, CA 92704

LIKELY ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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Homepage of Mcguff Pharmaceuticals, INC
Their homepage, crawled JUL 2026

What they make

Pharmaceutical Preparation Manufacturing325412
  • registers
  • generic drug products
  • contract manufacturing
  • clinical trial services
  • sterile liquid fill manufacturer
  • Food
  • Drug Administration
  • current Good Manufacturing Practices

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

Products

Sold by MCGUFF PHARMACEUTICALS, INC · 1
Ascorbic Acid

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
1 from FDA drug listing · Federal registry
FDA drug listing, labeler McGuff Pharmaceuticals, Inc., NDC 67157-101. A labeler markets the product; it may not manufacture it.
CAREERS
Careers page — seen SEP 8, 2026

CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE

  • FDA registered

Read from this company’s own website on September 11, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.

Where it is

33.69999, -117.90918 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
McGuff Company, IncSanta AnaPharmaceutical Preparation Manufacturing
325412
LIKELY ACTIVE0.6 KM
Celltech Manufacturing Ca, INC.Santa AnaPharmaceutical Preparation Manufacturing
325412
UNVERIFIED0.9 KM
Robinson Pharma INCSanta AnaAll Other Miscellaneous Food Manufacturing
311999
UNVERIFIED1.0 KM
Verdict VaporsIrvineMedicinal and Botanical Manufacturing
325411
UNVERIFIED5.1 KM
Immunogenx, INC.Newport BeachBiological Product (except Diagnostic) Manufacturing
325414
LIKELY ACTIVE5.6 KM

Every listed plant in Orange 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.

EPA cross-references this facility in OSHA-OIS.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record NMGJKCNNPL94 · first seen OCT 2025 · last seen OCT 2025
  • EPA Facility Registry ServiceEXISTENCE
    Records 110062905637, 110070291576 · first seen SEP 2018 · last seen JUN 2019

IN ORANGE COUNTY152 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 26 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: MCGUFF PHARMACEUTICALS, INC. · JUL 2026 · ON THIS PAGE
SAM.gov: MCGUFF PHARMACEUTICALS, INC · OCT 2025 · ON THIS PAGE
Street addressSOURCES DISAGREE
EPA: 2921 W. MACARTHUR BLVD SUITE 103 AND 139 · JUL 2026
SAM.gov: 2921 W MACARTHUR BLVD STE 141 · OCT 2025 · ON THIS PAGE
City
EPA: SANTA ANA · JUL 2026 · ON THIS PAGE
SAM.gov: SANTA ANA · OCT 2025 · ON THIS PAGE
State
EPA: CA · JUL 2026 · ON THIS PAGE
SAM.gov: CA · OCT 2025 · ON THIS PAGE
County (FIPS code)
EPA: 06059 · SEP 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 33.699985460365,-117.909175743585 · JUL 2026 · ON THIS PAGE
EPA: 33.69991,-117.90842 · JUL 2026
Website
SAM.gov: http://www.mcguffpharmaceuticals.com/ · OCT 2025
CAGE code
SAM.gov: 4HT02 · OCT 2025
SAM registration expires
SAM.gov: 2026-10-27 · OCT 2025

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