| # | Company | Employees |
|---|---|---|
| 1 |
TCS
A full lifecycle IT professional services and software firm in Brownsburg, IN, offering tailored solutions and managed services for optimized technology investments |
21,901 |
| 2 |
Legato Health Technologiescarelonglobal.com
IT and business consulting healthcare solutions company specializing in digital tools for simplifying healthcare processes and transforming the industry through innovation and operational excellence |
4,240 |
| 3 |
Brooksourcebrooksource.com
Trusted provider of Engineering & Technology solutions for Fortune 500 organizations, emphasizing Experience-Driven Staffing, Professional Services, and Workforce Transformation |
2,497 |
| 4 |
MS Companiesmscompanies.com
A data-driven technology company providing workforce solutions to OEMs and tiered suppliers, specializing in advisory, quality representation, inspection, and talent management services |
2,236 |
| 5 |
Eight Eleven Groupeightelevengroup.com
Eight Eleven Group provides IT, engineering, healthcare, and business support services nationwide, focusing on creating great experiences for clients, consultants, and employees |
1,877 |
| 6 |
Stratosphere Qualitystratospherequality.com
Global provider of quality assurance solutions to manufacturers in automotive, medical device, electronics, home appliance, and recreational vehicle industries, helping minimize defects and reduce costs |
1,740 |
| 7 |
Qualusqualuscorp.com
Innovative power services firm specializing in grid modernization, resiliency, sustainability, and software solutions for utilities, commercial, industrial, and government clients |
1,668 |
| 8 |
BCforwardbcforward.com
Global talent community empowering job seekers worldwide to advance careers and help organizations achieve goals in various industries Headquarters in Indianapolis and Hyderabad |
1,662 |
| 9 |
ACESacespower.com
A nationwide energy management company helping clients navigate and mitigate risks in the US energy markets without owning any energy commodities |
1,194 |
| 10 |
CAIcaiready.com
Trusted global experts providing engineers, project managers, and technicians to efficiently startup projects, lower costs, and drive speed to patient in various industries |
1,105 |
| 11 |
Medasourcemedasource.com
Leading consulting and professional services provider in healthcare industry, offering services to Life Sciences, RCM/Payers, Technology, and Government sectors |
997 |
| 12 |
KSM (Katz, Sapper & Miller)ksmcpa.com
A nationally recognized firm offering advisory, tax, and audit services, leveraging technology and diverse perspectives to help clients thrive and innovate |
915 |
| 13 |
American Structurepointstructurepoint.com
Providing innovative engineering, design, and consulting services across various disciplines to support projects from concept through completion. |
767 |
| 14 |
Blue & Co., LLCblueandco.com
Blue & Co provides a wide range of professional services including auditing, business planning, financial controls, and litigation support to help clients succeed |
626 |
| 15 |
Gibsonthegibsonedge.com
A consulting firm specializing in proactive insurance solutions for companies seeking growth, differentiation in the market, and risk preparation |
610 |
| 16 |
Safety Management Groupsafetymanagementgroup.com
QHSE consultants focused on reducing risk, promoting sustainable operations, and enhancing safety culture to protect people, assets, and communities globally |
565 |
| 17 |
Core BTSnri-na.com
A full-service digital transformation consulting firm that helps clients solve challenges and achieve business outcomes through integrated solutions |
503 |
| 18 |
iLABilabquality.com
iLAB specializes in providing global Software Quality Assurance services, including Quality Management, Testing, Project Management, and IT Consulting, with a focus on continuous learning and innovation |
493 |
| 19 |
enVistaenvistacorp.com
A leading consulting firm providing supply chain, technology, and IT services with expertise in automation, robotics, Microsoft solutions, and managed services |
482 |
| 20 |
Resultantresultant.com
Collaborative team combining engineering, data analysis, and consulting to solve complex challenges and empower clients in public and private sectors. |
454 |
| 21 |
Lochmueller Grouplochgroup.com
Employee-owned firm providing survey, planning, engineering, environmental services, data collection, modeling, public involvement, design, and construction oversight nationwide. |
401 |
| 22 |
Sales Xceleration庐salesxceleration.com
Sales Xceleration helps clients increase sales through a proven Sales Operating Management System, outsourced VP of Sales guidance, and tailored growth plans |
391 |
| 23 |
The MJ Companiesthemjcos.com
A leading insurance agency providing risk management, employee benefits, and retirement consulting services with a focus on data-driven solutions Serving clients nationwide |
390 |
| 24 | 390 | |
| 25 |
DOZdozllc.com
DOZ offers accounting, consulting, and tax services to owners of multifamily housing, senior living facilities, commercial properties, and residential land developments, specializing in HUD and Low Income Housing Tax Credit projects |
369 |
| 26 |
Storage Solutions - A Jungheinrich Companystorage-solutions.com
Warehouse and automation design experts providing storage capacity increase, inventory optimization, facility design, technology integration, and project management services. |
368 |
| 27 |
Veristaverista.com
A leading consultancy firm providing systems, compliance, validation, and quality solutions to life science companies, improving health and lives through advanced technologies |
323 |
| 28 |
Syneos Healthsyneoshealth.com
A fully integrated biopharmaceutical solutions organization accelerating customer success by combining clinical, medical, and commercial capabilities worldwide |
320 |
| 29 |
Moser Consultingmoserit.com
Technology solutions company specializing in big data, managed services, IT consulting, custom application development, and employee learning services. |
290 |
| 30 |
Corsica Technologiescorsicatech.com
A top cybersecurity and managed IT provider helping businesses leverage technology for success, with a focus on data protection and business advancement |
231 |
| 31 |
Butler, Fairman & Seufert, Inc.bfsengr.com
A leading civil engineering firm providing exceptional services to governments and businesses through communication, teamwork, and innovative approaches for successful projects |
212 |
| 32 |
Schmidt Associatesschmidt-arch.com
Passionate team of architects, engineers, and interior designers creating inspiring spaces for schools, hospitals, community centers, and corporate offices #design #architecture #engineering |
182 |
| 33 |
Superior Engineering, LLCsuperiorengineering.com
Superior Engineering provides professional engineering services with a focus on mechanical, electrical, instrumentation, controls, and process chemical disciplines for industrial and commercial clients |
128 |
| 34 |
Roeing IT Solutionsroeing.com
A technology solutions provider with 30+ years of experience, offering customized solutions to align with business goals and gain competitive advantage |
61 |
| 35 |
UHAS, Inc.uhasinc.com
A consulting firm specializing in providing actuarial, management, and underwriting services for various individual and group health insurance products |
55 |
| 36 |
Zinc Partners LLCzincpartners.us
The company is a Salesforce consulting partner that specializes in custom app development and digital transformation services |
40 |
| 37 |
Galvin Technologiesgalvintech.com
A Salesforce Consulting Company in Indianapolis specializing in Salesforce, CRM, and Pardot implementations for businesses |
28 |
| 38 |
Intrinz Inc.intrinzinc.com
A global consulting firm offering services in Project Management, Corporate Finance, International Business, Language Translation, and Business Strategy with experienced consultants |
25 |
| 39 |
Vespa Group LLCvespa-group.com
An Indianapolis based technology consulting firm founded in 2014, specializing in providing value-driven solutions for public and private sector organizations |
21 |
| 40 |
Capital Cities, LLCcapcities.com
Investment advisory firm offering comprehensive consulting solutions to institutional clients, focusing on objective advice, fiduciary duties, performance improvement, and risk management |
15 |
| 41 |
HUB CSi Advisory Servicescsiadvisoryservices.com
Retirement plan consulting firm focusing on participant outcomes, investment outcomes, financial coaching, and wealth management with LPL Financial and Global Retirement Partners |
13 |
| 42 |
Sharper Business Solutions, LLCsharperprocess.com
This company helps businesses improve efficiency by streamlining processes, freeing up time, and providing systems management They prioritize integrity and giving back |
10 |
| 43 |
Growth Heroesgrowthheroes.com
A company specializing in digital transformation to optimize processes, integrate systems, and help businesses grow by streamlining data flow |
10 |
| 44 |
Lachesislachesisllc.com
The company helps businesses enhance security, minimize risk, and drive ROI through data-driven transformations, fostering self-sufficiency with existing resources |
6 |
| 45 |
Snakeit Technologiessnakeittech.com
Providing IT solutions globally, specializing in software development, custom solutions, and offering skilled professionals in various fields including AI and BI |
4 |
| 46 |
BlackBox LLCblkbox.co
Information technology consulting services providing software implementation, development, and support to help clients improve business operations and efficiency |
3 |
| 47 |
Culture of Good, Inc.cultureofgood.com
This company specializes in Culture and Leadership Development, helping businesses align their culture with employees and foster positive engagement |
2 |
| 48 |
Soufan Consulting LLCsoufanconsulting.com
The company offers AWS consulting services to assist clients in transitioning to the digital future with expert guidance and support |
2 |
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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 2, 2026.
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