Updated:
ABM Industries
ABM Industries, founded 1909, provides integrated facility services across 20,000 U.S. locations with 120,000 employees, led by CEO Scott Salmirs.
ABM Industries
ABM Industries traces its origin to a single-person window-washing operation founded by Morris Rosenberg in San Francisco in 1909. The company incorporated in 1945 and has since scaled through decades of organic growth and acquisitions into a publicly traded entity on the New York Stock Exchange. Current President and CEO Scott Salmirs leads the firm, which operates from its headquarters at One Liberty Plaza in New York. The company provides end-to-end facility services, integrating janitorial, engineering, parking, mechanical and electrical maintenance, and energy solutions. Its model covers the full life cycle of a building's operational needs, from daily cleaning to complex technical infrastructure management. ABM serves over 20,000 client locations across the United States and internationally, with a physical footprint that includes major transportation hubs, commercial high-rises, hospitals, schools, and manufacturing plants. A major structural development occurred in October 2024, when ABM completed the sale of its UK engineering division to Sweco Group, narrowing its geographic focus to the U.S. market. The firm employs approximately 120,000 people across 350 office locations. ABM also operates a distinct business unit, ABM EnhancedFacility, which focuses on healthy-building compliance with standards such as ISSA's CIMS and the WELL Building Standard. The company's scale and on-site integration with client operations create high switching costs, as its teams are embedded in daily facility workflows. Unlike asset-light franchise models common in its industry, ABM directly employs and manages its workforce, giving it a structural differentiator in quality control and operational integration. This employment model requires significant investment in training, safety compliance, and union relationships, which forms a competitive moat that regional operators cannot easily replicate.
General information
Firm type
Asset Manager
Year founded
1909
AUM
Undisclosed
Location
Region
North America
Country
United States
City
New York
Corporate office
One Liberty Plaza, New York, NY, United States
Principals
Scott Salmirs
President & CEO
Sector focus
Frequently asked questions
What is ABM Industries' core business model?
ABM provides integrated facility solutions, bundling janitorial services with technical maintenance, engineering, parking management, and energy optimization. It operates on long-term contracts, embedding its workforce directly into client facilities rather than offering outsourced, transactional services. This model creates recurring revenue and high client retention rates.
Who manages operational decision-making at ABM?
Scott Salmirs has been President and CEO of ABM since September 2015. He joined the company in 2003 as Executive Vice President. Day-to-day operations are managed through a divisional structure covering Business & Industry, Technology & Manufacturing, Education, Aviation, and Technical Solutions.
How does ABM Industries differentiate from competitors like Cintas or Aramark?
ABM maintains an employee-based workforce model rather than relying on franchisees, which provides tighter quality control and integrated service delivery. The company also holds a significant position in aviation services, cleaning major U.S. airport terminals, and offers a specialized EnhancedFacility program focused on healthy-building certifications. Its technical solutions division provides mechanical and electrical engineering services that many janitorial-only competitors cannot offer.
Does ABM Industries operate internationally?
ABM primarily operates in the United States, serving over 20,000 client locations. The company previously had a substantial presence in the United Kingdom, but in October 2024 it divested that engineering division to Sweco Group, effectively narrowing its focus to the U.S. market. Small-scale international support exists through specific client contracts.
What industry sectors does ABM target?
ABM serves a diversified mix of commercial real estate, aviation, education, healthcare, technology and manufacturing, and business and industrial sectors. Its client list includes high-traffic transportation hubs, corporate headquarters, university campuses, hospital systems, and large-scale manufacturing plants where integrated facility management and technical maintenance are critical.
Is ABM Industries unionized?
A significant portion of ABM's workforce, particularly in class-A commercial buildings and aviation services, is covered by collective bargaining agreements under local Service Employees International Union chapters. The company must negotiate wage scales, benefits, and work rules across multiple jurisdictions, creating a complex labor relations environment that serves as both a management challenge and a barrier to entry.
What was ABM's largest recent structural change?
In October 2024, ABM sold its UK engineering division to Sweco Group for approximately $28.5 million. This divestiture represents a strategic pivot toward concentrating resources on its core U.S. facility-services platform, where the majority of its revenue and operational density resides.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: