Codexis discovers, develops and sells proteins to its clients. The company has two segments: Performance Enzymes, which uses its technology to develop enzymes for customers using next generation sequencing and polymerase chain reaction for in vitro molecular diagnostic and molecular biology research applications; and Novel Biotherapeutics, in which it has announced a global development, option and license agreement with Societe des Produits Nestle S.A. to develop CDX-6114, its own orally administrable enzyme therapeutic candidate for the potential treatment of phenylketonuria. The company's products include protein catalysts, chemical intermediates and Codex? biocatalyst panels and kits.

Medpace Holdings is a holding company. Through its subsidiaries, the company is a clinical contract research organization focused on providing scientifically-driven outsourced clinical development services to the biotechnology, pharmaceutical and medical device industries. The company provides a range of services supporting the clinical development process from Phase I to Phase IV. The company provides these services across a range of therapeutic areas. The company's line of clinical development services includes, but is not limited to, study start-up, patient recruitment and retention, clinical monitoring, risk-based monitoring, medical writing, data management, pharmacovigilance, and molecular and genetic testing.

Permian Basin Royalty Trust is an express trust. Simmons Bank is the trustee for the company The net overriding royalties conveyed to the company includes: a net overriding royalty in Southland Royalty Company's fee mineral interest in the Waddell Ranch in Crane County, TX, including the Dune, Sand Hills (Judkins), Sand Hills (McKnight), Sand Hills (Tubb), University-Waddell (Devonian) and Waddell fields; and a net overriding royalty carved out of Southland Royalty the company's producing royalty properties in Texas, including the Yates, Wasson, Sand Hills, East Texas, Kelly-Snyder, Panhandle Regular, N. Cowden, Todd, Keystone, Kermit, McElroy, Howard-Glasscock and Seminole fields.

PetMed Express is a pet pharmacy. The company markets prescription and non-prescription pet medications, and other health products for dogs and cats, direct to the consumer. These pet supplies include: food, beds, crates, stairs, strollers, and other pet supplies. The company's non-prescription medications and supplies include flea and tick control products, bone and joint care products, vitamins, treats, nutritional supplements, hygiene products, and supplies. The company's prescription medications include heartworm and flea and tick preventatives, arthritis, dermatitis, thyroid, diabetes, pain medications, heart/blood pressure, and other medications, as well as generic substitutes.