GPI vs SHC Comparison

Group 1 owns and operates 32 collision centers and 254 automotive dealerships in the US and the UK, offering 36 brands of automobiles altogether. Slightly over half of the stores are in the US with locations mostly in metropolitan areas in 17 states in the Northeast, Southeast, Midwest, and California. Texas alone contributed 31.6% of new-vehicle unit volume in 2025 and the UK 27.6%. Texas, Massachusetts, and California combined was 45.4%. Revenue in 2025 totaled $22.6 billion. The firm entered the UK in 2007 and has 109 stores there contributing about 26% of total revenue. Group 1 was founded in 1995 and is based in Houston.

Sotera Health Co provides sterilization, analytical lab testing, and advisory services to help ensure that medical, pharmaceutical, and food products are safe for healthcare practitioners, patients, and consumers. The company operates in three reportable segments: Sterigenics, Nordion, and Nelson Labs. The Sterigenics segment, which generates maximum revenue, provides outsourced terminal sterilization and irradiation services for medical devices, pharmaceuticals, food safety, and other application markets using three core technologies: gamma irradiation, EO processing, and E-beam irradiation. Geographically, the company generates maximum revenue from the United States, followed by Canada, Europe, and other regions.