Ryanair Holdings plc, together with its subsidiaries, provides scheduled-passenger airline services in Ireland, the United Kingdom, Spain, Italy, and internationally. The company is also involved in the provision of various ancillary services, such as non-flight scheduled and Internet-related services, as well as in-flight sale of beverages, food, duty-free, and merchandise; and markets car hire, travel insurance, and accommodation services through its website and mobile app. Furter, it offers aircraft and passenger handling, ticketing, and maintenance and repair services; and markets car parking, fast-track, airport transfers, attractions, and activities on its website and mobile app, as well as sells gift vouchers. The company was incorporated in 1996 and is headquartered in Swords, Ireland.

United Airlines Holdings, Inc., through its subsidiaries, provides air transportation services in North America, Asia, Europe, Africa, the Pacific, the Middle East, and Latin America. The company transports people and cargo through its mainline and regional fleets. It also offers catering, ground handling, flight academy, and maintenance services for third parties. The company was formerly known as United Continental Holdings, Inc. and changed its name to United Airlines Holdings, Inc. in June 2019. United Airlines Holdings, Inc. was incorporated in 1968 and is headquartered in Chicago, Illinois.

Grupo Aeroportuario del Pacífico, S.A.B. de C.V., together with its subsidiaries, holds concessions to develop, operate, and manage airports in Mexico and Jamaica. The company operates twelve international airports in Guadalajara and Tijuana areas, Mexico; and two international airports in Montego Bay, Jamaica. It also offers aeronautical services, such as passenger, aircraft landing, parking, airport security, and passenger walkway and airport bus, as well as car packing charges; complementary services, including baggage handling, catering, aircraft maintenance and repair, and fuel; cargo handling; and ground transportation services. In addition, the company provides non-aeronautical services, such as redesigning and modernizing terminal spaces and developing new projects; telephone and internet services; and ground handling services under the brand Primesky, as well as advertising services. Further, it engages in commercial activities comprising leasing space in terminals to airlines and other service providers; to retail stores, such as souvenir and gift shops, fashion and footwear stores, pharmacies, jewelry, electronics, cosmetics, and others; to various food and beverage services; car rental service companies, including parking spots, lots, and car rental reservation booths; to timeshare developers; to financial service providers; and to operators of duty-free stores. Additionally, the company operates parking facilities; VIP lounges; convenience stores; and vending machines. The company was incorporated in 1998 and is headquartered in Guadalajara, Mexico.

Avis Budget Group, Inc., together with its subsidiaries, provides car and truck rentals, car sharing, and ancillary products and services to businesses and consumers in the Americas, Europe, the Middle East and Africa, Asia, and Australasia. It operates the Avis brand, that offers vehicle rental and other mobility solutions to the premium commercial and leisure segments of the travel industry; and the Zipcar brand, a car sharing network, as well as the Budget brand, a supplier of vehicle rental and other mobility solutions focused primarily on more value-conscious customers comprising Budget car rental, and Budget Truck, a local, and one-way truck and cargo van rental businesses with a fleet of approximately 19,000 vehicles, which are rented through a network of dealer-operated and company-operated locations that serve the light commercial and consumer sectors in the continental United States. The company also operates various other car rental brands, such as Payless, Apex, Maggiore, Morini Rent, FranceCars, AmicoBlu, Turiscar, and ACL Hire and McNicoll Hire, as well as TurisPrime and RubyCa. In addition, it offers optional insurance products and coverages, such as supplemental liability, personal accident, personal effects protection, emergency sickness protection, automobile towing protection, and cargo insurance products; fuel service options, roadside assistance services, electronic toll collection services; and access to satellite radio, mobile WiFi devices, GPS navigation, and child safety seat rentals; automobile towing equipment and other moving accessories, such as hand trucks, furniture pads, and moving supplies; and Avis Budget Group Business Intelligence, an online portal complete with rental summary dashboards, visualizations, and detailed reports. The company was formerly known as Cendant Corporation and changed its name to Avis Budget Group, Inc. in September 2006. Avis Budget Group, Inc. was founded in 1946 and is based in Parsippany, New Jersey.

ABM Industries Incorporated, through its subsidiaries, engages in the provision of integrated facility, infrastructure, and mobility solutions in the United States and internationally. It operates through Business & Industry, Manufacturing & Distribution, Education, Aviation, and Technical Solutions segments. The company offers janitorial, facilities engineering, and parking services for commercial real estate properties, including corporate offices for high tech clients, sports and entertainment venues, and traditional hospitals and non-acute healthcare facilities; provides vehicle maintenance and other services to rental car providers. It also offers integrated facility services, engineering, and other specialized services in various types of manufacturing, distribution, and data center facilities. In addition, the company delivers custodial and landscaping and grounds for public school districts, private schools, colleges, and universities. Further, it supports airlines and airports with services comprising passenger assistance, catering logistics, air cabin maintenance, and transportation services. Additionally, the company provides electric vehicle power design, installation, and maintenance, as well as microgrid systems installations. ABM Industries Incorporated was founded in 1909 and is headquartered in New York, New York.

AAR Corp. provides products and services to commercial aviation, government, and defense markets worldwide. The Parts Supply segment leases and sells aircraft components and replacement parts. The Repair & Engineering segment provides airframe maintenance services, such as airframe inspection, painting, line maintenance, airframe modification, structural repair, avionics service and installation, exterior and interior refurbishment, and engineering and support services; component repair services comprising maintenance, repair, and overhaul (MRO) services, engine and airframe accessories, and interior refurbishment; and landing gear overhaul services, including repair services on wheels and brakes. This segment also develops specific aircraft components and parts; and designs proprietary designated engineering representative repairs. The Integrated Solutions segment engages in the fleet management and operation of customer-owned aircraft; provision of supply chain logistics services, such as material planning, sourcing, logistics, information and program management, and parts and component repair and overhaul services; and flight hour component inventory and repair services. In addition, the segment provides integrated software solutions comprising Trax, a cloud-based electronic enterprise resource platform, as well as a suite of paperless mobility apps for automating MRO workflows. The Expeditionary Services segment designs, manufactures, and repairs transportation pallets; and containers and shelters for military and humanitarian tactical deployment activities, including armories, supply and parts storage, refrigeration systems, tactical operation centers, briefing rooms, laundry and kitchen facilities, water treatment, and sleeping quarters, as well as engages in provision of engineering, design, and system integration services for specialized command and control systems. AAR Corp. was founded in 1951 and is headquartered in Wood Dale, Illinois.

Spok Holdings, Inc., through its subsidiary, Spok, Inc., provides healthcare communication solutions in the United States, Europe, Canada, Australia, Asia, and the Middle East. The company's products and services enhance workflows for clinicians and support administrative compliance. It delivers clinical information to care teams when and where it matters to enhance patient outcomes; and provides GenA Pager, a one-way alphanumeric pager. The company offers subscriptions to one-way or two-way messaging services, as well as alphanumeric pagers that are configurable to support unencrypted or encrypted operation; and ancillary services, such as voicemail, and equipment loss or maintenance protection services, as well as sells devices to resellers who lease or resell them to their subscribers. Its Spok Care Connect suite products for contact centers, clinical alerting and notification, mobile communications and messaging, and public safety notifications. In addition, the company provides professional, software license updates, and product support services, as well as sells third-party equipment. It serves businesses, professionals, management personnel, medical personnel, field sales personnel and service forces, members of the construction industry and construction trades, real estate brokers and developers, sales and services organizations, specialty trade organizations, manufacturing organizations, and government agencies. The company was formerly known as USA Mobility, Inc. and changed its name to Spok Holdings, Inc. in July 2014. Spok Holdings, Inc. was founded in 1986 and is headquartered in Alexandria, Virginia.

SPAR Group, Inc., together with its subsidiaries, provides merchandising and brand marketing services in the Americas, the Asia-Pacific, Europe, Middle East, and Africa. The company offers merchandising and marketing services, such as resets and cut-ins; price and inventory audits; stock replenishment and rotation services; out of stock management; promotional event setup; and display management, as well as category management and set up services comprising category and product resets; planogram maintenance; display and shelf services; and point of purchase installation and management. It also provides remodel and retail transformation consisting of store remodels, store department resets, fixture and banner installations, pop-up store services, and store closings; and assembly and installation services, including assembly of merchandise in stores, in-store services, office setup/down-sizing services, and national in-home furniture assembly services. In addition, the company offers business analytics and insights services, such as product dashboards, stock out reporting, visit reporting, real-time service insights, and share of shelf analytics; and fulfillment and distribution services comprising distribution center staffing, point of purchase fulfillment services, kiosk prep, returns processing, picking and packing services, and inventory services. The company serves mass merchandisers; HBAs; pharmacies; and grocery, discount, dollar, convenience, cash and carry, home improvement, consumer electronics, automotive aftermarket, office supply, personal technology, beverage, household products, consumables, financial products, and independent stores. SPAR Group, Inc. was founded in 1967 and is headquartered in Auburn Hills, Michigan.