| # | Company | Employees |
|---|---|---|
| 1 |
Kellykellyservices.com
A pioneering staffing company connecting over 450,000 individuals with work annually, leveraging expertise in various industries since 1946 |
20,231 |
| 2 |
HTC Global Serviceshtcinc.com
Provider of IT and business process services using emerging technologies to enable clients' digital transformation and sustainable growth. |
10,143 |
| 3 |
Kelly Educationkellyeducation.com
A leading workforce solutions company in education, specializing in placing talent from early childhood to higher education, including leadership roles |
9,490 |
| 4 |
Syntelatos-syntel.net
Global provider of IT and knowledge process services leveraging automation, agile, and cloud platforms for efficient application development, digital services, and IoT solutions |
8,763 |
| 5 |
Atos Syntelatos-syntel.net
Providing integrated IT and knowledge process services, focusing on automation, agile, cloud, analytics, IoT, and long-term client partnerships. |
6,789 |
| 6 |
Rensselaer Polytechnic Instituterpi.edu
A pioneering technological research university focused on advancing scientific and technological innovation, educating future leaders, and addressing global challenges for over 195 years |
4,257 |
| 7 |
Meritormeritor.com
Provider of a range of components for commercial vehicles and industrial markets, including axles, brakes, suspensions, drivelines, and aftermarket parts |
4,003 |
| 8 |
Inteva Productsintevaproducts.com
Design, engineering, manufacturing, and customer service for automotive latch, interior, door systems, motors, and electronics worldwide. |
3,888 |
| 9 |
Troy Universitytroy.edu
A public university with international reach offering quality academic programs, financial aid, outstanding faculty, on-campus and online classes for diverse student needs |
3,315 |
| 10 |
Ciber Globalhtcinc.com
The company, formerly known as Ciber Global, is now HTC Global Services For more information, visit their website at wwwhtcinccom |
3,235 |
| 11 |
Altairaltair.com
Provides software and cloud solutions for design simulation, high-performance computing, and data analytics to improve industrial decision-making and support sustainable technical innovation. |
2,737 |
| 12 |
Dunham's Sportsdunhamssports.com
A leading sports retailer offering a wide selection of national brands at low prices across over 230 stores in 20+ states |
2,614 |
| 13 |
ComForCarecomforcare.com
Provider of in-home care services for seniors, including dementia care, personal care, respite care, chronic condition management, transportation, and companionship |
2,397 |
| 14 |
Goldfish Swim School Franchising, LLCgoldfishswimschool.com
A leading swim school franchise offering proprietary curriculum for teaching babies and young children how to swim with over 80 locations nationwide |
2,334 |
| 15 |
SRG Globalsrgglobal.com
Manufactures integrated, functional decorative systems for automotive, mobility, and commercial truck industries, enhancing durability, functionality, appearance, and design flexibility. |
2,229 |
| 16 |
JD Powerjdpower.com
Global leader in consumer insights, advisory services, data analytics, and AI-powered consumer behavior understanding for major industries worldwide for over 50 years |
1,958 |
| 17 |
Toyoda Gosei Americastoyodagosei.com
A global manufacturer of rubber, plastic automotive components, safety systems, and LEDs, with a network of 64 group companies in 17 countries |
1,651 |
| 18 |
Champion Home Builders, Inc.championhomes.com
Industry-leading off-site construction company producing residential and commercial buildings across North America and the UK, distributed through independent retailers and serving various sectors |
1,633 |
| 19 |
Hobart Food Equipment and Servicehobartservice.com
A trusted partner in servicing and preventing downtime for mission-critical foodservice equipment with expert technicians and a commitment to safety |
1,616 |
| 20 | 1,605 | |
| 21 |
KellyOCGkellyocg.com
Global advisor of talent supply chain strategies and workforce solutions, aligning talent strategy with business goals to help companies and careers thrive |
1,544 |
| 22 |
Rehmannrehmann.com
A professional advisory firm offering accounting, assurance, business solutions, specialized consulting, and wealth management services with over 80 years of experience |
1,415 |
| 23 |
Kelly Science, Engineering, Technology & Telecomset.kellyservices.us
Helping companies adapt and succeed through their people, Kelly Science, Engineering and Technology provides innovative solutions for success |
1,412 |
| 24 |
Hudson Valley Community Collegehvcc.edu
A community college in upstate New York offering over 80 degree and certificate programs in various fields, with a focus on online and evening classes |
1,311 |
| 25 |
ICONMAiconma.com
A woman-owned staffing company providing professional staffing services, project-based solutions, and a wide range of expertise to Fortune 500 organizations globally |
1,272 |
| 26 |
Call Center Internationalccicompany.us
CCI provides customized inbound and outbound telemarketing services in 30 languages, focusing on cultural connections for strong customer relationships and solid results |
1,272 |
| 27 |
Troy School Districttroy.k12.mi.us
Education provider in Oakland County, Michigan, serving over 12,000 students with a focus on excellence, high academic achievements, and inclusive learning |
1,270 |
| 28 | 1,198 | |
| 29 |
Global LT, Inc.global-lt.com
A leading expert in Language Solutions and Expatriate Services, offering training, translation, interpretation, and destination services worldwide since 1979 |
1,098 |
| 30 |
Retired Public Employees Associationrpea.org
Advocacy organization representing government retirees in NY, FL, and the Carolinas, working to protect their retirement benefits like Social Security and Medicare |
1,083 |
| 31 |
KellyConnect | Contact Center Solutionskellyconnect.com
Provider of exceptional outsourcing solutions with over 70 years of experience in contact center staffing, delivering quality services with virtual and on-site agents |
1,046 |
| 32 |
Russell Sage Collegesage.edu
This organization offers a range of academic programs including education, management, health sciences, and professional development at multiple campuses |
935 |
| 33 |
Doeren Mayhewdoeren.com
Professionals providing guidance and direction to businesses and nonprofit organizations to traverse complex business terrain. Offers audit, tax, and business consulting services. |
929 |
| 34 |
Residential Home Health and Residential Hospiceresidentialhealthcaregroup.com
National provider of in-home nursing care, therapy, and hospice services, focused on continuity of care, utilizing latest medical technologies for best outcomes and high patient satisfaction |
878 |
| 35 |
Gestamp North Americagestamp.com
Global automotive components manufacturer specializing in lightweight, safe products for vehicles Focus on innovation, energy efficiency, and environmental impact Operates internationally with extensive R&D and production capabilities |
848 |
| 36 |
LogicalisUSus.logicalis.com
The company helps organizations succeed in the digital-first world by providing technology expertise to optimize operations and deliver sustainable outcomes through digital managed services |
843 |
| 37 |
HarmonyCaresharmonycares.com
A home-based healthcare provider offering comprehensive services for older adults and those with complex medical needs in multiple states |
804 |
| 38 |
INOAC USA, Inc.inoacusa.com
INOAC is a leading innovator in polyurethane technology, offering materials for various industries and partnering with companies to differentiate their brands |
718 |
| 39 |
Populus Grouppopulusgroup.com
A company specializing in managing contingent workforces, offering payroll, MSP, staffing, and recruitment services with a focus on diversity and opportunity for all |
704 |
| 40 |
Job Centerjobcentermichigan.com
A family-owned staffing company serving Metro Detroit and surrounding areas since 1983, specializing in temporary-to-hire placements |
703 |
| 41 |
Suneratechsuneratech.com
A frontrunner in Digital Transformation, specializing in Cloud, Data monetization, Innovation, Automation, and Oracle partnership for global companies |
682 |
| 42 |
Slate Autoslate.auto
Specializing in seeking out and delving into various opportunities within the electric vehicle industry, staying ahead of market trends and advancements |
679 |
| 43 | 650 | |
| 44 |
BeneSys, Inc.benesys.com
A team specializing in Taft-Hartley benefit plans, offering efficient software for self-administering trust funds with a reputation for seamless transitions and participant support |
636 |
| 45 |
Versant Healthversanthealth.com
A leading managed vision care company empowering individuals to achieve their goals by providing comprehensive vision care services |
616 |
| 46 |
Tekshaperstekshapers.com
Provides IT solutions, custom software development, and staffing services globally, with an offshore center in India for cost-effective applications. |
567 |
| 47 |
Rainbow Child Care Centerkindercare.com
Rainbow Child Care Center provides high-quality early education and child care services with over 150 centers nationwide, supporting over 12,000 families |
563 |
| 48 |
365 Retail Markets365retailmarkets.com
Global leader in unattended retail technology offering end-to-end solutions for food service operators with innovative smart-store, vending, and point-of-sale options |
552 |
| 49 | 536 | |
| 50 |
Continentalcontinentalserves.com
Provider of diverse food and beverage services including catering, vending, office coffee, micro-markets, and event dining experiences. |
533 |
| 51 |
Class Valuationclassvaluation.com
Provides nationwide residential real estate appraisals with fast turnaround, 24/7 ordering, certified appraisers, quality control, and FHA compliance. |
518 |
| 52 |
Detroit Engineered Productsdepusa.com
An Engineering Solutions and Product Development company with a global presence, offering rapid concept CAE and CAD model generation for various industries |
512 |
| 53 |
Walsh Collegewalshcollege.edu
A leading business and technology school offering nationally ranked programs taught by industry-experienced faculty in innovative fields such as automotive cybersecurity |
511 |
| 54 |
Emagine Entertainmentemagine-entertainment.com
A leading theater chain in the Midwest offering luxury cinema experiences with reclining chairs, gourmet snacks, reserved seating, and in-seat service |
504 |
| 55 |
Proctor Loan Protectorproctorlp.com
The company offers lender-placed, blanket, and specialty insurance programs for financial institutions, government entities, property investors, and agencies with superior service solutions |
492 |
| 56 |
The PAC Grouppacgroup.com
A global engineering and management services firm supporting various industries worldwide with a focus on complex projects and efficient costs |
491 |
| 57 |
MSSCmsscna.com
Specializing in manufacturing through MSSC, a subsidiary of Mitsubishi Steel MFG Co, Ltd, offering high-quality products and services |
480 |
| 58 |
The Suburban Collectionsuburbancollection.com
A leading automotive group with 33 brands across 50+ locations in Michigan, offering sales, service, and repair solutions Joined Lithia Motors in 2021 |
466 |
| 59 |
Grace Hospiceghospice.com
A CHAP accredited hospice providing family-centered care for patients with life limiting illnesses in multiple states through interdisciplinary team support |
464 |
| 60 |
Afin Technologiesafintechnologies.com
Specializing in marketing and distributing discount offers through their patented technology, the company provides merchant solutions and rewards programs to boost customer engagement and sales |
459 |
| 61 |
Great Lakes Psychology Groupglpg.net
A team of therapists founded a company in 2011 to help fellow therapists maintain successful private practices, providing support for in-person and online care |
448 |
| 62 |
HTC Global Services Indiahtcinc.com
This company's global LinkedIn page provides updates on their operations and services Follow the link for more information |
447 |
| 63 |
Plex, by Rockwell Automationplex.com
cloud-delivered smart manufacturing solutions leader empowering manufacturers to connect, automate, track, and analyze business aspects for transformation and awesome product creation. |
427 |
| 64 |
Wild Bill's Tobaccowildbillstobacco.com
A leading tobacco retailer with over 200 locations, offering a wide range of high-quality tobacco products, including cigars from around the world |
426 |
| 65 |
TRGtechrg.com
Specializing in Automotive Mobility, IT, and Software, we provide services such as Recruiting, Talent Acquisition, and Engineering team growth programs to various industries |
417 |
| 66 |
CareTech Solutionshtcinc.com
The company provides information technology services and solutions, transitioning to HTC Global Services from CareTech in November 2021 Visit wwwhtcinccom for more information |
404 |
| 67 |
Musashi Americasmusashiamericas.com
A global automotive supplier producing propulsion products, aiming to break boundaries and create innovative values with passion for technology |
400 |
| 68 |
City of Troy (Michigan)troymi.gov
The City of Troy offers competitive pay and benefits, diverse job opportunities, and a vibrant community with a focus on creating a positive impact |
393 |
| 69 |
JARS Cannabisjarscannabis.com
Culturally-inspired cannabis retailer focused on rewriting narratives, empowering future leaders, and providing high-quality products in an inclusive, collaborative environment |
391 |
| 70 |
Rexair LLCrainbowsystem.com
A company headquartered in Troy, Michigan coordinates global sales and marketing for the Rainbow Cleaning System, known for its water-based filtration |
390 |
| 71 |
Ziebart Internationalziebart.com
A global leader in automotive appearance and protection services, with over 60 years of experience, operating over 400 locations in 37 countries |
389 |
| 72 |
Alliance Mobilelinktr.ee
A leading AT&T Authorized Retailer offering the latest technology in smartphones, tablets, internet, security, home automation, TV, with exceptional customer service |
380 |
| 73 |
thyssenkrupp Supply Chain Servicesthyssenkrupp-supply-chain.com
Provides extensive warehousing and distribution services across the U.S., specializing in innovative supply chain and renewable energy logistics solutions. |
379 |
| 74 |
VPS Learningvpslearning.com
Provider of transformational learning solutions including in-person and simulation-based training, sales & technical learning, compliance, safety, and well-being programs Applied with innovative technologies for measurable results and lasting relationships |
379 |
| 75 |
Systems Technology Group, Inc. (STG)stgit.com
Global provider of IT consulting and software services, specializing in development, outsourcing, cloud computing, mobility solutions, application modernization, big data, and analytics |
379 |
| 76 |
F & P Americafandp.com
Tier One parts supplier for Honda, GM, and Toyota, specializing in suspension parts, subframes, and pedals Known for high standards in quality and delivery |
368 |
| 77 |
Premier Health - Upper Valley Medical Centerpremierhealth.com
This partnership operates the Upper Valley Project SEARCH program and Career Center in Ohio, collaborating with various organizations to support individuals with disabilities |
358 |
| 78 |
ITW Food Equipment Groupitwfoodequipment.com
A subsidiary of Illinois Tool Works, ITW Food Equipment Group provides premium food equipment brands for commercial kitchens worldwide with dedicated service and support |
347 |
| 79 |
Gallagher-Kaiser Corporationgkcorp.com
A Michigan-based company specializing in paint finishing systems, HVAC, mechanical automotive systems, and related services for various markets worldwide |
338 |
| 80 |
ExpertCareexpertcare.com
Medicare certified home health care agency in Southeast Michigan since 1991 Provides skilled medical and non-medical services for adults and children with mental impairments |
337 |
| 81 |
Visiting Physicians Associationvisitingphysicians.com
Providing physician services for elderly and adults with complex health issues through house call medicine and geriatric home health care |
336 |
| 82 |
ELIelisolutions.com
ELI offers staffing and recruiting solutions to various industries in the US for over 50 years, emphasizing tailored client solutions |
331 |
| 83 |
Early Autism Servicesearlyautismservices.com
Providing individualized ABA therapy to children with autism and their families, helping each child reach their full potential through effective programming and research-based treatment |
319 |
| 84 |
Engineering Technology Associates, Inc.eta.com
Engineering CAE-driven solutions reducing product design cost through streamlined testing and prototyping processes, aiming for complete virtual prototyping using experience and advanced technology |
312 |
| 85 |
Entregaentrega.com
A leading technology and information partner specializing in complex web application development, strategic resources, and swift, reliable responsiveness to programs |
311 |
| 86 |
Vigilant Technologiesvigilant-inc.com
A global IT boutique specializing in Oracle, Microsoft, and disruptive technologies, providing comprehensive solutions, staffing services, and custom solutions for enterprises |
311 |
| 87 |
HANSONShansons.com
This company specializes in providing high-quality replacement windows, siding, roofing, gutters, gutter guards, bathtubs, and showers to customers |
310 |
| 88 |
MOTOR Information Systemsmotor.com
Providing accurate, comprehensive automotive data and information to businesses, enabling efficient, effective, and profitable operations across the industry. |
308 |
| 89 |
Penske Vehicle Servicespenskevehicleservices.com
A Michigan-based company offering customized solutions to the automotive industry, including vehicle lifecycle management, assembly services, production paint, and vehicle event support |
306 |
| 90 |
Truck Centers, Inc.truckcentersinc.com
A multi-generational company with ten dealerships and two auxiliary locations, specializing in representing Freightliner and Western Star trucks in Illinois, Indiana, and Missouri |
302 |
| 91 |
AcquireUpacquireup.com
A marketing services company for financial professionals, specializing in lead-generating workshops, client engagement solutions, and digital seminar marketing |
300 |
| 92 |
Kimber Mfg., Inc.kimberamerica.com
An American company designing and manufacturing premium firearms for sporting, law enforcement, and military markets, as well as distributing accessories and self-defense products |
291 |
| 93 |
Integra Partnersaccessintegra.com
A network management company connecting O&P and DME providers with health plans and patients through a large provider network For more information, visit the website |
291 |
| 94 |
Talascend - Where Opportunities Await.talascend.com
A veteran-owned staffing company connecting top talent with leading employers in a variety of industries through tailored recruitment services |
281 |
| 95 |
VOIP OFFICEvoipoffice.com
A leading provider of Cloud-based communications, offering affordable solutions for connecting businesses globally with traditional PBX features and VoIP technology |
275 |
| 96 |
Classic Design, a CONVERGIX Automation companyclassic-co.com
Leading supplier of tool design and industrial automation solutions, committed to on-time delivery and quality through continuous improvement |
262 |
| 97 |
Heller Machine Toolsus.heller.biz
Global manufacturer of CNC machining centers, automated solutions, and machining tools for various industries including automotive, oil & gas, aerospace, and more |
241 |
| 98 |
AGM Automotiveagmautomotive.com
Innovative automotive sub-system provider delivering quality products and value-added services through strategic partnerships with global suppliers and top-notch customer service |
240 |
| 99 |
Trion Solutions, Inc.trionworks.com
A leading provider of value-added HR services offering payroll, benefits, and employee management programs tailored to company needs, with a focus on innovation and compliance |
235 |
| 100 |
Ducker Carlisleduckercarlisle.com
Provides global consulting and M&A advisory services, delivering insights, benchmarking, and strategy solutions to optimize business performance and growth. |
230 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
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 Oct 24, 2026.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668