ABM vs GPI Comparison

ABM Industries Inc is a provider of integrated facility solutions. It offers its solutions through five segments: Business and Industry, Manufacturing and Distribution, Education, Aviation and Technical solutions. The company derives the majority of its revenue from the business and industry segment, which encompasses janitorial, facilities engineering, and parking services for commercial real estate properties and sports and entertainment venues, hospitals, as well as vehicle maintenance and other services to rental car providers. The company mainly operates in the United States of America.

Group 1 owns and operates 32 collision centers and over 250 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 106 stores there contributing about 26% of total revenue. Group 1 was founded in 1995 and is based in Houston.