Assay  Solutions INC, USA 

Assay Solutions offers a range of immunological reagents, including primary and secondary antibodies in both conjugated and unconjugated formats, antibody pairs for sandwich-based assays (ELISA, FRET, AlphaLISA, multiplex platforms), and colorimetric and fluorescence-based ELISA kits. The product range supports the screening and assessment of protein–protein interactions, protein–small-molecule binding, and assay validation, and comprises the SensiMax™ and SensiLite™ series, HSProfiler kits, StepTID assay kits, antibodies, and other associated research reagents.