| Company | Reagent | Link to information | Remarks |
| Aesku | Aeskulisa Protein S |
Method: ELISA Assay principle: Two step |
|
| Corgenix | REAADS Monoclonal Free Protein S test kit |
Method: EIA Antibodies: Monoclonal Assay principle: Two step |
|
| Helena Biosciences | Free Protein S |
Method: LIA |
|
| Helena Laboratories | Monoclonal Free Protein S |
Method: ELISA Antibodies: Monoclonal Assay principle: Two step |
|
| Helena Laboratories | Free and Total Protein S |
Method: ELISA Assay principle: Two step |
|
| Hyphen BioMed | Liaphen Free Protein S | Hyphen Liaphen Free Protein S |
Method: LIA |
| Hyphen BioMed | Zymutest Free Protein S | Hyphen Zymutest Free Protein S |
Method: EIA Antibodies: Monoclonal |
| Nordic Biomarker | MRX Free Protein S |
Method: LIA Antibodies: Monoclonal |
|
| Roche | Free Protein S | Roche Free Protein S |
Method: TIA Antibodies: Monoclonal |
| Siemens Healthineers | Innovance Free PS Ag | Siemens Innovance Free PS Ag |
Method: LIA Antibodies: Monoclonal |
| Stago | Asserachrom Free Protein S | Asserachrom Free Protein S |
Method: ELISA Antibodies: Monoclonal Assay principle: Two step |
| Stago | STA-Liatest Free Protein S | STA-Liatest Free Protein S |
Method: LIA Antibodies: Monoclonal |
| Werfen | HemosIL Free Protein S | Werfen HemosIL Free Protein S |
Method: LIA Antibodies: Monoclonal |