SARO vs RGEN Comparison

StandardAero Inc is a provider of aftermarket services for fixed and rotary wing aircraft gas turbine engines and auxiliary power units (APUs) to the commercial, business, and military aircraft markets. It also provides aftermarket and upgrade services for business aviation and helicopter airframes and avionics. It operates in two segments Engine Services and Component Repair Services. The group generates the majority of its revenue from the Engine Services segment which provides engine and airframe maintenance, repair, overhaul, and related services to customers in the Commercial Aerospace, Military & Helicopter, and Business Aviation end markets.

Repligen, headquartered in Waltham, Massachusetts, is a global life sciences company that develops and sells bioprocessing equipment and supplies used in the manufacturing of biologic drugs, including monoclonal antibodies, recombinant proteins, vaccines, and cell and gene therapies. Its customers include biopharmaceutical companies, contract development and manufacturing organizations, or CDMOs, and other life science companies. It sells four main product categories: filtration (including fluid management) is the largest category and was 58% of 2024 revenue, while chromatography, proteins, and process analytics were 19%, 12%, and 9%, respectively. Customers in North America, Europe, and Asia Pacific contributed 44%, 37%, and 19% of revenue, respectively.