IOSP vs SEM Comparison

Innospec Inc manufactures and sells a variety of chemicals and fuel additives. The firm organizes itself into three segments based on product type. The Performance Chemicals segment that derives maximum revenue, provides technology-based solutions for its customers' processes or products in personal care, home care, agrochemical, construction, mining and other industrial markets. The Fuel Specialties segment develops, manufactures, blends, markets and supplies a range of specialty chemical products used as additives in diesel, jet, marine, fuel oil and other fuels. The Oilfield Services segment develops and markets chemical solutions for drilling, completion, production, DRA and oil and gas applications.

Select Medical Holdings Corp is a healthcare company that operates through three segments: critical illness recovery hospitals, rehabilitation hospitals, and outpatient rehabilitation clinics. Critical illness recovery hospitals which derives maximum revenue consists of hospitals designed to serve the needs of patients recovering from critical illnesses, often with complex medical needs. The rehabilitation hospital segment consists of hospitals designed to serve patients that require intensive physical rehabilitation care. Patients are typically admitted to critical illness recovery hospitals and rehabilitation hospitals from general acute care hospitals. The outpatient rehabilitation segment consists of clinics that provide physical, occupational, and speech rehabilitation services.