Ctk Biotech, INC.
13855 Stowe Dr, Poway, CA 92064
ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 4 SOURCES
Operating signal within 12 months from two or more independent sources.
What they make
In-Vitro Diagnostic Substance Manufacturing325413Products
Made or handled here · 62
Antigen, Cf (Including Cf Controls), Respiratory Syncytial Virus · Antigen, Cf, Psittacosis (Chlamydia Group) · Antigen(Complexed),Prostate Specific,(Cpsa) · Antigen, Iha, T. Cruzi · Antigens, All Groups, Salmonella Spp. · Antisera, All Groups, Streptococcus Spp. · Antisera, All Leptospira Spp. · Antisera, Cf, Adenovirus 1-33 · Antisera, Cf, Herpesvirus Hominis 1,2 · Antisera, Cf, Influenza Virus A, B, C · Antisera, Cf, Rubella · Antisera, If, Toxoplasma Gondii · Antiserum, Cf, Cytomegalovirus · Antiserum, Fluorescent, Mycobacterium Tuberculosis · Antiserum, Vibrio Cholerae, All Varieties · Assay, Direct, Nucleic Acid Amplification, Influenza Virus · Assay, Enzyme Linked Immunosorbent, Hepatitis C Virus · Atp And Creatine Kinase (Enzymatic), Creatine · Blood, Occult, Enzymatic Method, In Urine · Coronavirus Antigen Detection Test System. · Dengue Nucleic Acid Amplification Assay (Naat) · Dengue Virus Antigen Assay · Device To Detect And Measure Procalcitonin (Pct) In Human Clinical Specimens · Enzyme Immunoassay, Non-Radiolabeled, Total Thyroxine · Enzyme Linked Immunoabsorbent Assay, Rotavirus · Ferritin, Antigen, Antiserum, Control · General Purpose Reagent · Helicobacter Pylori · Hemoglobin A1c Test System · Hepatitis A Test (Antibody And Igm Antibody) · Immunoassay Method, Troponin Subunit · Instrumentation For Clinical Multiplex Test Systems · Kit, Identification, Neisseria Gonorrhoeae · Kit, Serological, Positive Control · Multiplex Immunoassay For T. Gondii, Rubella, Cytomegalovirus And Herpes Simplex Virus 1 And 2 · Plasmodium Spp. Detection Reagents · Radioassay, Vitamin B12 · Radioimmunoassay, Estradiol · Radioimmunoassay, Follicle-Stimulating Hormone · Radioimmunoassay, Luteinizing Hormone · Radioimmunoassay, Progesterone · Radioimmunoassay, Prolactin (Lactogen) · Radioimmunoassay, Testosterones And Dihydrotestosterone · Radioimmunoassay, Thyroid-Stimulating Hormone · Radioimmunoassay, Total Triiodothyronine · Radioimmunoassay (Two-Site Solid Phase), Ferritin · Reagent, Coronavirus Serological · Reagent, Leishmanii Serological · Reagents, 2019-Novel Coronavirus Nucleic Acid · Reagents, Zika Virus Nucleic Acid · Single (Specified) Analyte Controls (Assayed And Unassayed) · System, Test, C-Reactive Protein · System, Test, Human Chorionic Gonadotropin · System, Test, Rheumatoid Factor · System, Test, Vitamin D · Test, Hepatitis B (B Antigen, B Surface Antigen, Be Antigen) · Test, Hiv Detection · Test, Natriuretic Peptide · Test, Qualitative, Detection Of Dengue Igm And Igg Antibodies · Test, Syphilis, Treponemal · Visual, Pregnancy Hcg, Prescription Use · Zika Virus Serological Reagents (Emergency Use)Where these came from
62 from FDA device registration · Federal registry
FDA device establishment 2032682, product code GQG; proprietary names: OnSite RSV Ag Rapid Test (REF# R0186C)
Where it is
32.94174, -117.03137 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Alfa Scientific Designs INC | Poway | In-Vitro Diagnostic Substance Manufacturing 325413 | LIKELY ACTIVE | 1.2 KM |
| Diazyme Laboratories INC | Poway | In-Vitro Diagnostic Substance Manufacturing 325413 | ACTIVE | 1.6 KM |
| General Atomics - Poway - DPC01 | Poway | Medicinal and Botanical Manufacturing 325411 | LIKELY ACTIVE | 1.6 KM |
| Vital Therapies INC | San Diego | Pharmaceutical Preparation Manufacturing 325412 | UNVERIFIED | 7.3 KM |
| Inova Diagnostics | San Diego | In-Vitro Diagnostic Substance Manufacturing 325413 | LIKELY ACTIVE | 9.1 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 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 RCRAINFO · EPA site type STATIONARY.
- FDA device establishment registrationsOPERATINGfirst seen AUG 2026 · last seen SEP 2026
- SAM.gov entity registrationOPERATINGRecord CKPEVGCNJ2E8 · first seen MAY 2026 · last seen JUN 2026
- EPA Facility Registry ServiceEXISTENCERecord 110070425175 · first seen DEC 2018 · last seen DEC 2018
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen MAY 2017 · last seen MAY 2017
IN SAN DIEGO COUNTY374 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 44 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: CTK BIOTECH INC · JUL 2026 · ON THIS PAGE
- SAM.gov: CTK BIOTECH, INC. · JUN 2026 · ON THIS PAGE
- Street address
- EPA: 13855 STOWE DR · JUL 2026 · ON THIS PAGE
- SAM.gov: 13855 STOWE DR · JUN 2026 · ON THIS PAGE
- City
- EPA: POWAY · JUL 2026 · ON THIS PAGE
- SAM.gov: POWAY · JUN 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · JUN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06073 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 32.941736176632,-117.031372620024 · JUL 2026 · ON THIS PAGE
- EPA: 32.941341,-117.031671 · JUL 2026
- CAGE code
- SAM.gov: 601F7 · JUN 2026
- SAM registration expires
- SAM.gov: 2027-05-27 · JUN 2026
- SBA loans
- SBA: 504 loan x1, jobs 50.0 · MAY 2017