Operating signal within 12 months from two or more independent sources.
What they make
Biological Product (except Diagnostic) Manufacturing325414Proteintech Group manufactures antibodies, ELISA kits, proteins, and cytokines and growth factors. The company offers custom antibody services and cGMP recombinant cytokines and growth factors, and supports applications including Western blot, immunohistochemistry, immunofluorescence, flow cytometry, ELISA, and protein purification.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Long Grove Pharmaceuticals, LLC | Rosemont | Pharmaceutical Preparation Manufacturing 325412 | ACTIVE | 0.8 KM |
| Meitheal Pharmaceuticals, INC | Chicago | Pharmaceutical Preparation Manufacturing 325412 | LIKELY ACTIVE | 2.4 KM |
| Abbott Molecular INC. | Des Plaines | In-Vitro Diagnostic Substance Manufacturing 325413 | ACTIVE | 3.8 KM |
| Vital Proteins LLC | Franklin Park | All Other Miscellaneous Food Manufacturing 311999 | LIKELY ACTIVE | 5.0 KM |
| Nestle Health Science / Vital Protein | Franklin Park | Medicinal and Botanical Manufacturing 325411 | UNVERIFIED | 5.3 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| FDA DEVICES | OPERATING | AUG 2026 | AUG 2026 |
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | SEP 2025 | SEP 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | SEP 2025 |
| CAGE CODE | SAM GOV | SEP 2025 |
| CITY | SAM GOV | SEP 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | SEP 2025 |
| REGISTRATION EXPIRATION | SAM GOV | SEP 2025 |
| STATE | SAM GOV | SEP 2025 |
| WEBSITE | SAM GOV | SEP 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


