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Facility management companies headquartered in North America

Tamtam tracks 438 facility management companies headquartered in North America. This list ranks the 100 largest by number of employees on LinkedIn, led by JLL, Allied Universal and CBRE. Their median headcount is 1,956. Half of them were founded in 1969 or later. The most common headquarters are Philadelphia (5), Chicago (4) and New York (4).

๐ŸŒ North America100 companiesUpdated Nov 13, 2026

This selection of large North American facility management companies includes major players in real estate, professional services, and hospitality. Companies like JLL and CBRE offer comprehensive real estate and investment management services. Allied Universal provides tailored security and facility services, while Compass Group USA and Aramark specialize in food and facility services for diverse sectors. ABM Industries delivers integrated facility and infrastructure services.

The companies listed are predominantly large, established firms with extensive workforces. A notable pattern is the concentration of headquarters in major US cities, with Chicago, Dallas, and New York each hosting multiple large facility management operations.

#CompanyIndustryHeadquarters EmployeesFounded
1
JLLjill.com

A leading professional services firm specializing in real estate and investment management, creating rewarding opportunities and sustainable solutions using advanced technology

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Chicago 104,899 n/a
2
Allied Universalaus.com

Provides tailored security and facility services using smart technology, supporting diverse sectors with local leadership and community presence.

Professional Services ๐Ÿ‡บ๐Ÿ‡ธ Irvine 104,797 n/a
3
CBREcbre.com

A real estate company providing comprehensive services and insights to empower clients in maximizing opportunities and success in the industry

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Dallas 75,008 n/a
4
Compass Group USAcompassgroupcareers.com

Redefines food and facility services, delivering excellence to healthcare, education, cultural centers, sports venues, and corporations. Recognized for innovation, diversity, and trustworthiness.

Food and Beverage Services ๐Ÿ‡บ๐Ÿ‡ธ Charlotte 68,303 n/a
5
Aramarkaramark.com

Global hospitality service provider delivering food and facilities management to educational institutions, healthcare providers, sports teams, and municipalities across sixteen countries worldwide.

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Philadelphia 56,723 1939
6
Cushman & Wakefieldcushmanwakefield.com

Global commercial real estate services provider with 52,000 professionals focused on advancing client, colleague, and community outcomes worldwide.

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Chicago 53,000 1917
7
ABM Industriesabm.com

Provider of integrated facility, engineering, and infrastructure services enhancing cleanliness, safety, efficiency, and occupant experience across diverse sectors.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ New York 32,173 1909
8
Cintascintas.com

A Fortune 500 company specializing in providing a wide range of products and services to help businesses prepare for the workday

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Mason 30,472 1968
9
CBRE Global Workplace Solutions (GWS)cbre.com

Partner with clients worldwide to deliver tailored workplace solutions addressing unique organizational needs and driving strategic business outcomes.

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Dallas 20,430 1984
10
G&K Servicescintas.com

Leading provider of branded uniform and facility services programs in the US and Canada with a team of 8,000 employees serving 170,000 customer locations

Retail Apparel and Fashion ๐Ÿ‡บ๐Ÿ‡ธ Minnetonka 8,280 1902
11
Naval Facilities Engineering Systems Command (NAVFAC)navfac.navy.mil

A Navy command specializing in planning, building, and maintaining sustainable facilities, delivering base services, and managing expeditionary combat force systems

Construction ๐Ÿ‡บ๐Ÿ‡ธ Washington 7,748 1842
12
Newmarknmrk.com

Advisory and service provider for commercial real estate, serving institutional investors, corporations, owners, and occupiers worldwide with tailored solutions.

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ New York 7,201 1929
13
SP+ (SP Plus)spplus.com

The company specializes in developing technology and operations management solutions for efficient movement of people, vehicles, and personal belongings

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Chicago 7,185 1929
14
Cleaning Services Groupcsginc.com

Provides cost-effective building cleaning and maintenance solutions, specializing in floor care and using proprietary software for communication, accountability, and proactivity across various industries.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Danvers 6,666 1992
15
Crothall Healthcarecareers.crothall.com

A leading healthcare support services provider specializing in environmental services, clinical engineering, patient transportation, facilities management, sterile processing, and patient sitter/observation

Hospitals and Health Care ๐Ÿ‡บ๐Ÿ‡ธ Wayne 6,661 n/a
16
BGISbgis.com

Global leader in integrated facility management services, managing over 50,000 facilities worldwide, including data centers, government and healthcare facilities, and industrial assets

Facilities Services ๐Ÿ‡จ๐Ÿ‡ฆ Markham 6,379 1992
17
AlliedBarton Security Servicesaus.com

A newly merged security services company combining the best practices and expertise of two industry leaders to support clients and employees

Security and Investigations ๐Ÿ‡บ๐Ÿ‡ธ 5,820 1957
18
EllisDonellisdon.com

An employee-owned construction company providing comprehensive services in capital projects, facilities management, and sustainable buildings, leading innovation in the construction sector

Construction ๐Ÿ‡จ๐Ÿ‡ฆ London 5,767 1951
19
KBS - Kellermeyer Bergensons Services, LLCkbs-services.com

Provides janitorial services, floor care, exterior maintenance, facility operations support, and hospitality staffing across North America to businesses for clean environments.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Oceanside 5,743 n/a
20
Healthcare Services Group, Inchcsg.com

A leader in healthcare facility services, specializing in housekeeping, laundry, dining, and nutritional services to improve operational and financial outcomes

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Bensalem 5,733 1976
21
BrightView Landscapesbrightview.com

A leading provider of high-quality landscape and snow services, offering worry-free solutions to clients nationwide through a dedicated team

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Blue Bell 5,514 1939
22
C&W Servicescwservices.com

A leading provider of integrated facility services, focusing on driving down operating expenses, increasing efficiency, and creating a positive occupant experience through innovation and empowerment

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Needham 4,447 1950
23
Gilbane Buildinggilbaneco.com

A global construction and facility management company with over 150 years of experience Trusted for quality, sustainability, and community involvement

Construction ๐Ÿ‡บ๐Ÿ‡ธ Providence 4,367 1870
24
HENSEL PHELPShenselphelps.com

An employee-owned construction company with over 75 years of experience specializing in development, construction, and facilities management for various project types

Construction ๐Ÿ‡บ๐Ÿ‡ธ Greeley 4,145 1937
25
Aramark Healthcare+aramark.com

Providing innovative solutions for elevating patient and caregiver experiences in the ever-evolving healthcare industry

Hospitals and Health Care ๐Ÿ‡บ๐Ÿ‡ธ Philadelphia 3,941 n/a
26
HHS, LLChhs1.com

Support service provider enhancing customer experiences through housekeeping, food service, facilities management, and more for various industries including healthcare, hospitality, and government

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Dripping Springs 3,872 1975
27
M.C. Dean, Inc.mcdean.com

Designing, building, and maintaining cyber-physical solutions for critical facilities, secure environments, infrastructure, and enterprises; specializing in electrical, security, telecommunications, and control systems

Design Services ๐Ÿ‡บ๐Ÿ‡ธ Tysons 3,845 n/a
28
ISS Facility Services - North Americaus.issworld.com

A global workplace experience and facility management company with services in workplace, cleaning, food, and technical areas, improving business performance and quality of life

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ San Antonio 3,784 n/a
29
Legencewearelegence.com

Integrated provider of energy efficiency and sustainability solutions for diverse industries, specializing in advisory, engineering, contracting, and maintenance services for high-performance facilities

Construction ๐Ÿ‡บ๐Ÿ‡ธ San Jose 3,648 n/a
30
Cushman & Wakefield - Formerly DTZcushmanwakefield.com

A global leader in commercial real estate services, providing insights and value for occupiers and investors worldwide through various core services

Commercial Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Chicago 3,518 n/a
31
EMCOR Group, Inc.emcorgroup.com

Leading in mechanical and electrical construction, EMCOR Group specializes in planning, installing, and maintaining sophisticated facility systems for various sectors with a skilled workforce

Construction ๐Ÿ‡บ๐Ÿ‡ธ Norwalk 3,333 n/a
32
Black & McDonald Limitedblackandmcdonald.com

Integrated multi-trade service provider delivering high-quality construction, facilities management, and technical solutions across North America with operational excellence.

Construction ๐Ÿ‡จ๐Ÿ‡ฆ Toronto 3,066 1921
33
Reimagined Parkingreimaginedparking.com

A leading parking solutions provider with a workforce of 8,000 managing 3,400 facilities across 500 cities, generating 34 million annual transactions

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ New York 2,957 n/a
34
GDI Integrated Facility Servicesgdi.com

Provides cleaning, technical trade services, and energy management for commercial, industrial, healthcare, and educational facilities across North America using innovative sanitation techniques.

Facilities Services ๐Ÿ‡จ๐Ÿ‡ฆ Lasalle 2,897 1926
35
Dexterra Groupdexterra.com

A publicly listed corporation in Canada delivering support services for infrastructure creation, management, and operation, including facilities management and workforce accommodation solutions

Facilities Services ๐Ÿ‡จ๐Ÿ‡ฆ Mississauga 2,774 n/a
36
SBM Management Services, LPsbmmanagement.com

This company provides soft services for workplaces globally, serving Fortune 500 clients across over 600 sites with a focus on planned, predictable, and repeatable results.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Mcclellan 2,755 1982
37
Akimaakima.com

Global enterprise providing federal government solutions in facilities, logistics, IT, aerospace, security, engineering, and construction, while upholding Iรฑupiat values and prioritizing customer missions

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Herndon 2,744 n/a
38
Elior North Americaelior-na.com

A hospitality group with 50 years of experience, 16,000 team members, and a passion for food and service, part of Elior Group

Food and Beverage Services ๐Ÿ‡บ๐Ÿ‡ธ Charlotte 2,692 2008
39
ACCO Engineered Systemsaccoes.com

A leading mechanical contractor offering design, installation, maintenance, and service of HVAC, refrigeration, plumbing, process piping, and building automation systems

Construction ๐Ÿ‡บ๐Ÿ‡ธ Pasadena 2,686 n/a
40
ABM Janitorial Servicesabm.com

Offers comprehensive janitorial solutions, utilizing advanced technology, trained staff, private label products, and quality control for various businesses nationwide.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Sugar Land 2,614 1906
41
Compass Group Canadacompass-canada.com

Canadaโ€™s leading provider of foodservice and facilities management, offering specialized support services in addition to exceptional food offerings

Food and Beverage Services ๐Ÿ‡จ๐Ÿ‡ฆ Mississauga 2,537 n/a
42
MasterCorp, Inc.mastercorp.com

Provides comprehensive hospitality services like housekeeping, janitorial, and facility management, ensuring clean, healthy spaces through custom programs and dedicated associates.

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Orlando 2,432 1981
43
NAESnaes.com

A leading provider of operations, maintenance, construction, engineering and technical services for power generation industry, prioritizing safety, compliance, quality, and integrity

Utilities ๐Ÿ‡บ๐Ÿ‡ธ Issaquah 2,309 1980
44
McKinstrymckinstry.com

A national construction and energy services firm focused on eliminating waste and reducing climate impact in the built environment through innovation

Construction ๐Ÿ‡บ๐Ÿ‡ธ Seattle 2,295 1960
45
PRIDE Industriesprideindustries.com

Delivering business excellence with a positive social impact by providing career opportunities and training for people with disabilities and other barriers to employment

Non-profit Organizations ๐Ÿ‡บ๐Ÿ‡ธ Roseville 2,195 1966
46
SSC Services For Educationsscserv.com

Specializing in custom facility services for educational spaces, we provide clean, safe environments for students to learn and thrive in

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Knoxville 2,130 1969
47
GCA Services Groupabm.com

A Fortune 500 company providing comprehensive facility solutions including janitorial, energy, HVAC, landscaping, and parking services to various properties worldwide

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ New York 2,109 1909
48
TDIndustries, Inc.tdindustries.com

Delivering comprehensive facility services and mechanical construction solutions with a focus on employee well-being and innovative design in multiple industries

Construction ๐Ÿ‡บ๐Ÿ‡ธ Dallas 2,087 1946
49
Valiant Integrated Servicesonevaliant.com

Valiant supports critical missions worldwide by providing training, equipment, protection, and support for government agencies, peacekeepers, relief workers, and disaster response teams

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Herndon 2,006 2017
50
Civeo North Americaciveo.com

Provider of workforce accommodations worldwide, offering housing, catering, facility management, and logistics services to ensure a well-rested and productive workforce away from home

Hospitality ๐Ÿ‡จ๐Ÿ‡ฆ Edmonton International Airport 1,956 1977

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51
GSH Groupgshgroup.com

Provider of integrated facilities management and engineering services specializing in MEP, HVAC, and complex real estate environments worldwide.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Parsippany 1,913 1895
52
EMCOR Facilities Servicesemcorfacilities.com

Provides integrated facilities management, maintenance, and operational solutions for businesses globally, enhancing productivity, reducing costs, and offering data-driven insights for facility optimization.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Cincinnati 1,869 n/a
53
Able Servicesabm.com

A company specializing in facility services, engineering, and technical services, focused on enhancing occupant experience and improving spaces through innovation and sustainability

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ San Francisco 1,851 n/a
54
ESFMยฎ USAesfm-usa.com

Leader in integrated facilities management, offering innovative solutions for workplace safety, sustainability, and user experience across various industries

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Wayne 1,837 n/a
55
Harrisharriscompany.com

National mechanical contractor providing design, engineering, construction, controls, service, manufacturing, conveyors, and building systems solutions with over 70 years of experience

Construction ๐Ÿ‡บ๐Ÿ‡ธ Saint Paul 1,794 1948
56
Ainsworth Incainsworth.com

Leader in providing comprehensive solutions for installation, maintenance, and energy management of buildings, industrial assets, and processes in North America

Facilities Services ๐Ÿ‡จ๐Ÿ‡ฆ Toronto 1,765 n/a
57
Alutiiq, LLCalutiiq.com

An Alaska Native Corporation and its subsidiaries offer diverse services to customers with exceptional capabilities and premier service

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Anchorage 1,751 1999
58
Guest Services, Inc.guestservices.com

A premier hospitality management company providing services at various client sites including hotels, resorts, dining facilities, parks, museums, and more

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Fairfax 1,692 1917
59
MPW Industrial Servicesmpwservices.com

A leading provider of industrial cleaning, water purification, facility management, and waste services in North America, enhancing efficiency, reliability, and cost-effectiveness for various industries

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Hebron 1,679 n/a
60
CoolSys - Refrigeration and HVAC Systemscoolsys.com

This company provides sustainable refrigeration, HVAC, energy, and engineering solutions for various sectors, covering the entire lifecycle of commercial systems

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Brea 1,675 1997
61
Aramark Collegiate Hospitalityaramark.com

The company supports higher education institutions in keeping students safe, healthy, and engaged on campus to attract and retain students

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ 1,675 n/a
62
TouchPoint Support Servicestouchpointsupportservices.com

TouchPoint Support Services provides integrated food, nutrition, environmental, and support services to hospitals and senior living communities nationwide with a focus on compassion and excellence

Hospitals and Health Care ๐Ÿ‡บ๐Ÿ‡ธ Atlanta 1,663 2011
63
Salutesalute.com

Global Data Center services company utilizing military practices to deliver cost-effective, resilient, and scalable solutions Supports veterans by offering career opportunities

IT Services and IT Consulting ๐Ÿ‡บ๐Ÿ‡ธ Franklin 1,624 2013
64
Versar Global Solutionsversar.com

A Washington, DC-based company provides full lifecycle solutions for government and commercial Customers in natural, built, and digital environments worldwide

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Washington 1,603 1969
65
UEM Edgenta Berhaduemedgenta.com

A leading asset management and infrastructure solutions company in the region, specializing in healthcare support, property & facility solutions, and infrastructure services

Civil Engineering ๐Ÿ‡บ๐Ÿ‡ธ The Horizon 1,582 1963
66
The Amenity Collectiveamenitycollective.com

The Amenity Collective offers comprehensive lifestyle services and hospitality solutions, collaborating across industries to create unique property amenity experiences

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Owings Mills 1,569 1984
67
Architect of the Capitolaoc.gov

Design, maintain, and enhance historic Capitol buildings and grounds, supporting Congress, Supreme Court, Library of Congress, and visitor experiences.

Government Administration ๐Ÿ‡บ๐Ÿ‡ธ Washington 1,547 1793
68
Facility Solutions Groupfsg.com

Company provides lighting, electrical products, services, and energy solutions nationwide, serving various industries with a dedicated workforce and significant revenue

Specialty Trade Contractors ๐Ÿ‡บ๐Ÿ‡ธ Austin 1,544 1982
69
Flagship Facility Services, Inc.flagshipinc.com

A facilities maintenance company providing janitorial, engineering, and maintenance services to industries across the US and Canada, focusing on customer experience

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ San Jose 1,528 1988
70
All Starall-star.com

A privately owned firm specializing in aerospace support, facilities maintenance, military housing, logistics, construction, and fleet maintenance for military, government, and commercial contracts

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ San Diego 1,501 1983
71
ServiceSourceservicesource.org

ServiceSource is a nonprofit organization that supports people with disabilities and promotes inclusive communities through services, resources, and partnerships

Non-profit Organizations ๐Ÿ‡บ๐Ÿ‡ธ Oakton 1,491 1971
72
IntrepidGSintrepidgs.com

A global provider of logistics, facilities management, and professional services, specializing in solving challenges for public and private sector customers worldwide

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Cape Canaveral 1,409 1990
73
The Budd Groupbuddgroup.com

Providing janitorial, maintenance, and landscaping services with a focus on quality, customer service, and operational excellence in the Southeast.

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Winston-Salem 1,396 1965
74
Diversified Maintenancediversifiedm.com

A company providing specialized cleaning and maintenance services across various industries, focused on operational excellence, innovation, and customer satisfaction

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Tampa 1,396 1997
75
Caliburn Internationalacuityinternational.com

Acuity International is a global organization providing services in a wide range of areas Check out our website for more information

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Reston 1,377 n/a
76
Aramark Canadaaramark.ca

Trusted leader in service since 1936, providing delicious meals, clean spaces, and exceptional experiences through empowered and talented teams

Food and Beverage Services ๐Ÿ‡จ๐Ÿ‡ฆ Mississauga 1,353 n/a
77
Aramark Facilities Managementaramark.com

Aramark Facilities Management delivers flexible, reliable, and personable facilities management services to lower costs and enhance customer experiences in various sectors

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Philadelphia 1,331 n/a
78
City Wide Facility Solutionsgocitywide.com

Facility maintenance company founded in 1961, offering over 20 interior and exterior services to manage building needs for clients nationwide

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Lenexa 1,325 1961
79
Coverall North America, Inc.coverall.com

Franchised brand empowering entrepreneurs to operate commercial cleaning businesses with a focus on health-based cleaning and comprehensive training and support

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Deerfield Beach 1,323 1985
80
Packers Sanitation Services, Inc. (PSSI)pssi.co

This company specializes in food safety and provides information and resources to ensure the safety of food products for consumers

Food and Beverage Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Kieler 1,321 1973
81
NMSnmsusa.com

A leading provider of integrated support services with a focus on safety and integrity, offering services like security, camp support, and facilities management

Consumer Services ๐Ÿ‡บ๐Ÿ‡ธ Anchorage 1,310 1974
82
American Poolamericanpool.com

A nationwide leader in providing comprehensive swimming pool management, maintenance, construction, and recreational facility services with a focus on safety

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Owings Mills 1,286 1984
83
Planned Companiesplannedcompanies.com

An innovative leader in real estate services, providing janitorial, maintenance, security, and concierge services to residential, corporate, and commercial properties

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Parsippany 1,275 1898
84
Lee Companyleecompany.com

A leading mechanical engineering and home services company with over 1,600 employees Specializes in facilities services, HVAC, plumbing, electrical, and appliance repair

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Franklin 1,256 1944
85
Guckenheimerguckenheimer.com

Provides innovative on-site food solutions, including restaurants, cafes, catering, and pantry services, transforming traditional facilities into signature dining destinations.

Food and Beverage Services ๐Ÿ‡บ๐Ÿ‡ธ San Antonio 1,254 n/a
86
Fidelity Building Services Groupfidelitybsg.com

National provider of technical building services including HVAC, energy solutions, building automation, and emergency power systems for commercial and industrial facilities

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Sparks 1,214 n/a
87
The Service Companiestheservicecompanies.com

The premier service provider in hospitality, gaming, healthcare, education, and corporate cafeteria industries offering best-in-class cleaning, staffing, and managed labor services

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Miami 1,199 1987
88
ABM UKabm.co.uk

Established in 1909, this company provides services to over 20,000 clients with annual revenue nearing $8 billion and a large global team

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ London 1,196 1909
89
NFC Amenity Managementnfcamenity.com

A national provider of full service amenity management for various properties, offering lifestyle programming, fitness services, concierge assistance, and more

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Asbury Park 1,165 2006
90
Divisions Maintenance Groupdivisionsmg.com

Facility maintenance services for commercial, industrial, and residential multi-site organizations nationwide, providing dedicated teams, local support, 24/7 coverage, and tailored products

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Cincinnati 1,148 1999
91
Block by Blockblockbyblock.com

Provider of security, cleaning, and customer service personnel for Business Improvement Districts, fostering community ownership and perception through friendly teams

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Louisville 1,113 1995
92
ArchKey Solutionsarchkey.com

A leading specialty trade installation and facilities services company with expertise in electrical, technologies, and specialty systems for new and existing facilities

Construction ๐Ÿ‡บ๐Ÿ‡ธ St. Louis 1,100 n/a
93
Blackstone Consulting, Inc.blackstone-consulting.com

A minority-owned company providing environmental, security, facilities maintenance, staffing, and food service management services to national and international clients since 1991

Environmental Services ๐Ÿ‡บ๐Ÿ‡ธ Los Angeles 1,091 1991
94
Chugach Government Solutions, LLCchugachgov.com

A government contracting company providing high-quality services in facilities management, construction, IT/cyber services, and education, with a commitment to integrity and safety

Defense and Space Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Anchorage 1,090 n/a
95
Aramark Sports + Entertainmentaramark.com

Provider of food, beverage, retail, and facility services for sports & entertainment venues, delivering immersive guest experiences and innovative dining concepts

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Philadelphia 1,089 n/a
96
Spectraoakviewgroup.com

Specializing in hosting and entertainment, we offer integrated services to enhance customer experiences at sports venues, convention centers, and cultural events

Hospitality ๐Ÿ‡บ๐Ÿ‡ธ Philadelphia 1,085 1996
97
UG2ug2.com

A leading provider of integrated facility services, focused on delivering industry-leading solutions with a customer-centric approach through experienced management and a dedicated team

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Boston 1,052 2012
98
Lessenlessen.com

Lessen simplifies real estate property management by offering outsourced property services, faster renovations, preventative maintenance, and on-budget capital projects for commercial and residential properties

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Scottsdale 1,034 2020
99
OCS Groupocs.com

One of the world's leading facilities service providers, offering essential services across various sectors to customers globally Visit ocscom for more information

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Sussex 1,032 1900
100
Plan Group Inc.plan-group.com

A dynamic construction company offering design, build, integration, and maintenance services in electrical, mechanical, and ICAT industries, expanding into service and facilities management

Construction ๐Ÿ‡จ๐Ÿ‡ฆ Vaughan 1,031 1955

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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.

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