Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. It operates through two segments, Mechanical and Electrical. The company offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. It also engages in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of MEP systems in existing buildings. In addition, the company provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. It serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional MEP markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.

Service Corporation International provides deathcare products and services in the United States and Canada. Its funeral service and cemetery operations comprise funeral service locations, cemeteries, funeral service/cemetery combination locations, crematoria, and other businesses. The company also provides professional services related to funerals and cremations, including the use of funeral home facilities and motor vehicles; arranging and directing services; and removal, preparation, embalming, cremation, memorialization, and travel protection, as well as catering services. In addition, it offers funeral merchandise, including burial caskets and related accessories, urns and other cremation receptacles, outer burial containers, flowers, online and video tributes, stationery products, casket and cremation memorialization products, and other ancillary merchandise. Further, the company's cemeteries provide cemetery property interment rights, such as developed lots, lawn crypts, mausoleum spaces, niches, and other cremation memorialization and interment options. It offers its products and services under the Dignity Memorial, Dignity Planning, National Cremation Society, Advantage Funeral and Cremation Services, Funeraria del Angel, Making Everlasting Memories, Neptune Society, and Trident Society brands. The company was incorporated in 1962 and is headquartered in Houston, Texas.

Kirby Corporation operates domestic tank barges in the United States. Its Marine Transportation segment provides marine transportation service and towing vessel transporting bulk liquid product, as well as operates tank barge throughout the Mississippi River System, on the Gulf Intracoastal Waterway, coastwise along three United States coasts, and in Alaska and Hawaii. It also transports petrochemicals, black oils, refined petroleum products, and agricultural chemicals by tank barges; and operates offshore dry-bulk barges and tugboat units that are engaged in the offshore transportation of dry-bulk cargos in the United States coastal trade. It owns and operates 1,076 inland tank barges, approximately 281 inland towboats, 28 coastal tank barges, 25 coastal tugboats, 4 offshore dry-bulk cargo barges, 4 offshore tugboats, and a docking tugboat. Its Distribution and Services segment sells after-market service and genuine replacement parts for engines, transmissions, reduction gears, electric motors, drives, and controls, electrical distribution and control systems, energy storage battery systems, and related oilfield service equipment; rebuilds component parts or diesel engines, transmissions and reduction gears, and related equipment used in oilfield services, marine, power generation, on-highway, and other industrial applications; rents generators, industrial compressors, high capacity lift trucks, and refrigeration trailers; and manufactures and remanufactures oilfield service equipment, including pressure pumping units, as well as manufacturers electric power generation equipment, specialized electrical distribution and control equipment, and high capacity energy storage/battery systems. It serves to various companies, the United States government, and pleasure crafts. The company was formerly known as Kirby Exploration Company, Inc. and changed its name to Kirby Corporation in 1990. Kirby Corporation was founded in 1921 and is headquartered in Houston, Texas.

Trinity Industries, Inc. provides rail transportation products and services under the TrinityRail name in North America. It operates in two segments, Railcar Leasing and Management Services Group, and Rail Products Group. The Railcar Leasing and Management Services Group segment leases freight and tank railcars; originates and manages railcar leases for third-party investors; and provides fleet maintenance and management services. As of December 31, 2023, it had a fleet of 109,295 railcars. This segment serves industrial shipper and railroad companies operating in agriculture, construction and metals, consumer products, energy, and refined products and chemicals markets. The Rail Products Group segment manufactures freight and tank railcars for transporting various liquids, gases, and dry cargo; and offers railcar maintenance and modification services. This segment serves railroads, leasing companies, and industrial shippers of products in the agriculture, construction and metals, consumer products, energy, and refined products and chemicals markets. It sells or leases products and services through its own sales personnel and independent sales representatives. The company was incorporated in 1933 and is headquartered in Dallas, Texas.

Addus HomeCare Corporation, together with its subsidiaries, provides personal care services to elderly, chronically ill, disabled persons, and individuals who are at risk of hospitalization or institutionalization in the United States. The company operates through three segments: Personal Care, Hospice, and Home Health. The Personal Care segment provides non-medical assistance with activities of daily living. This segment offers services that include assistance with bathing, grooming, oral care, feeding and dressing, medication reminders, meal planning and preparation, housekeeping, and transportation services. The Hospice segment provides palliative nursing care, social work, spiritual counseling, homemaker, and bereavement counseling services for people who are terminally ill, as well as related services for their families. The Home Health segment offers skilled nursing and physical, occupational, and speech therapy for the individuals who requires assistance during an illness or after hospitalization. The company's payor clients include federal, state, and local governmental agencies; managed care organizations; commercial insurers; and private individuals. Addus HomeCare Corporation was founded in 1979 and is headquartered in Frisco, Texas.

Orion Group Holdings, Inc. operates as a specialty construction company in the building, industrial, and infrastructure sectors in the United States, Alaska, Hawaii, Canada, and the Caribbean Basin. It operates in two segments, Marine and Concrete. The company provides marine construction services, including construction, restoration, dredging, maintenance, and repair of marine transportation facilities and pipelines, bridges and causeways, and marine environmental structures. Its marine transportation facility projects comprise cruise ship port facilities, private terminals, special-use navy terminals, recreational use marinas and docks, and other marine-based facilities, as well as building or rehabilitating public port facilities for container ship loading and unloading. The company also offers on-going maintenance and repair, inspection, emergency repair, and demolition and salvage services. Its marine pipeline service projects include the installation and removal of underwater buried pipeline transmission lines; the installation of pipeline intakes and outfalls for industrial facilities; the construction of pipeline outfalls for wastewater and industrial discharges; river crossing and directional drilling; the creation of hot taps and tie-ins; and inspection, maintenance, and repair services. The company's bridge and causeway projects include the construction, repair, and maintenance of overwater bridges and causeways, as well as the develops fendering systems in marine environments. The company also provides specialty services, such as design, salvage, demolition, surveying, towing, diving and underwater inspection, excavation, and repair services. In addition, it offers elevated concrete pouring for columns, elevated beams, and structural walls; and light commercial services comprising slabs, sidewalks, ramps, and tilt walls. The company was founded in 1994 and is headquartered in Houston, Texas.

Security National Financial Corporation engages in the life insurance, cemetery and mortuary, and mortgage businesses. The company's Life Insurance segment is involved in selling and servicing lines of life insurance, annuity products, and accident and health insurance. It offers various life insurance products, including funeral plans and interest-sensitive life insurance, as well as other traditional life, accident, and health insurance products; annuity products comprising single and flexible premium deferred annuities, and immediate annuities; and diver's accident insurance policies. This segment also cedes and assumes various risks with various authorized unaffiliated reinsurers pursuant to reinsurance treaties. Its Cemetery and Mortuary segment operates eight mortuaries and five cemeteries in Utah; one cemetery in California; and four mortuaries and one cemetery in New Mexico. This segment also offers plots, interment vaults, mausoleum crypts, markers, caskets, urns, and other death care related products; and provides professional services of funeral directors, opening and closing of graves, use of chapels and viewing rooms, and use of automobiles and clothing. The company's Mortgages segment originates and underwrites residential and commercial loans for new construction, existing homes, and real estate projects primarily in Florida, Nevada, Texas, and Utah. It offers residential mortgage lending services to real estate brokers and builders, as well as directly with consumers. Security National Financial Corporation was founded in 1965 and is headquartered in Salt Lake City, Utah.

Citizens, Inc. provides life insurance products in the United States and internationally. The company operates in two segments, Life Insurance and Home Service Insurance. The Life Insurance segment issues ordinary whole life insurance and endowment policies in the United States dollar-denominated amounts to non-U.S. residents in through independent marketing agencies and consultants. The Home Service Insurance segment offers final expense life insurance and property insurance policies to middle-and lower-income households, as well as whole life products in Louisiana, Mississippi, and Arkansas. This segment provides its products and services through funeral homes and independent agents. The company provides accident and health insurance policies. Citizens, Inc. was founded in 1969 and is headquartered in Austin, Texas.