Expression Analysis isn't run by body language specialists, but when researchers need genetic data, they can turn to Expression Analysis. The company provides outsourced whole genome and gene expression profiling, as well as microarray processing, genotyping, DNA/RNA isolation and sequencing, and other data generation and analysis services. The company uses gene research platforms developed by companies including Affymetrix, Fluidigm, and Illumina. It analyzes a variety of samples including whole blood, tissue cells, and frozen samples, for customers including government agencies and pharmaceutical development firms. The company was acquired by contract research firm Quintiles in 2012.