Illumina, Inc. is an American company. Incorporated on April 1, 1998, Illumina develops, manufactures, and markets integrated systems for the analysis of genetic variation and biological function.

The company provides a line of products and services that serves the sequencing, genotyping and gene expression, and proteomics markets. Its headquarters are located in San Diego, California.

Illumina’s technology had purportedly by 2014 reduced the cost of sequencing a human genome to US$1,000 from a price of $1 million in 2007.

Customers include genomic research centers, pharmaceutical companies, academic institutions, clinical research organizations, and biotechnology companies.