| # | Company | Employees |
|---|---|---|
| 1 |
STANLEY Securitysecuritastechnology.com
Global provider of integrated security, health, and safety solutions including technology, installation, maintenance, monitoring, and analytics services worldwide. |
2,338 |
| 2 |
Alacrity Solutionsalacritysolutions.com
Alacrity Solutions offers comprehensive insurance claims services, including claims management, restoration, temporary housing, and call center support for insurance carriers and businesses |
1,787 |
| 3 |
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 |
| 4 |
Crew Carwashcrewcarwash.com
A family-run business providing advanced and environmentally friendly car wash services with a focus on customer satisfaction and employee dedication |
1,064 |
| 5 |
Hamilton Southeastern Schoolshseschools.org
Public school district in Fishers and Noblesville, Indiana, serving K-12 students through twelve elementary schools, four intermediate schools, four junior high schools, and two high schools |
998 |
| 6 |
Irving Materials, Inc.irvmat.com
A privately-held building materials supplier, producer, and construction services company with expertise in aggregates, concrete, asphalt, site development, and heavy highway construction |
868 |
| 7 |
Delta Tau Delta International Fraternitydelts.org
Established in 1858, a values-based organization with core values of Truth, Courage, Faith, and Power, boasting over 130 active chapters and 10,000 students |
863 |
| 8 |
The Wesleyan Churchwesleyan.org
This organization transforms lives, churches, and communities through the hope and holiness of Jesus Christ, emphasizing full salvation and victorious Christian living |
742 |
| 9 |
Static Mediastatic.com
Delivering timely news, insightful articles, and expert advice across a range of topics including recipes, movie reviews, and travel guides |
735 |
| 10 |
Jarden Home Brandsjardenhomebrands.com
This company markets leading consumer brands for canning, preserving, firelogs, firestarters, party supplies, and other everyday essentials |
479 |
| 11 |
Gorbelgorbel.com
A leading provider of overhead material handling solutions for various industries, offering a comprehensive range of cranes, lifting devices, and fall arrest anchor systems |
467 |
| 12 |
FORUM Credit Unionlinktr.ee
financial cooperative offering checking accounts, loans, mortgages, business accounts, and online bill pay with member-focused care and innovation |
405 |
| 13 |
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 |
| 14 |
INCOG BioPharma Servicesincogbiopharma.com
The company provides services for injectable drug product formulation, analytical method development, process scale up, packaging, labeling, and storage solutions |
385 |
| 15 |
First Internet Bankfirstib.com
An innovative online bank founded in 1999, offering a dynamic work environment for talented professionals seeking rewarding career opportunities |
384 |
| 16 |
E&B Pavingirvmat.com
E&B Paving offers paving and consulting services for various projects, including highways, parking lots, and infrastructure, with a focus on safety and quality |
341 |
| 17 |
City of Fishersfishersin.gov
A leading suburb near Indianapolis, known for its smart, vibrant community, entrepreneurial spirit, top-ranked schools, parks, and safety accolades |
333 |
| 18 |
Mainscapemainscape.com
A leading landscape management company in America, providing high quality landscaping services with award-winning customer satisfaction and innovative tools |
332 |
| 19 |
AHEPA Senior Livingahepaseniorliving.org
Non-profit organization established in 1983, enhancing quality of life for elderly and handicapped by promoting health, security, happiness, and independence with dignity |
327 |
| 20 |
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 |
| 21 |
Behavior Analysis Center for Autismthebaca.com
A center in Indianapolis specializing in Applied Behavior Analysis to teach a wide range of skills to children with autism |
236 |
| 22 |
fr膿ij膿 Engineered Solutions Companyfes-co.com
A national specialty engineering firm offering installation services in refrigeration, mechanical, plumbing, electrical, security, and insulated panels for guaranteed system quality and reliability |
184 |
| 23 |
Fishers Junior High Schoolhseschools.org
A school district providing educational services to the Hamilton Southeastern community |
181 |
| 24 | 175 | |
| 25 |
Trueblood Real Estatetruebloodre.com
A high quality real estate brokerage in Fishers/Indianapolis, Indiana, with a team of agents serving Central Indiana for all buying and selling needs |
174 |
| 26 |
Opportunities for Positive Growth, Inc.opgrowth.com
A human service agency providing dignified support to individuals with developmental disabilities through skill development and person-centered services |
153 |
| 27 |
Fishers High Schoolhse.k12.in.us
A high school located in Fishers, Indiana, providing education and opportunities for students to learn and grow in a supportive environment |
152 |
| 28 |
AColiveaco.com
The company guides homeowners through a worry-free approach to create luxurious kitchen, bath, and flooring spaces for their dream homes |
65 |
| 29 |
Envoy Real Estateenvoyre.com
A full-service real estate brokerage providing expert investment property acquisition, disposition analysis, land development, and advisory services for businesses and families |
29 |
| 30 | 25 | |
| 31 |
Peterson's Restaurantpetersonsrestaurant.com
Specializing in USDA Prime Aged Beef, fresh seafood, award-winning wines, and professional service in an intimate ambience, supported by local ownership |
21 |
| 32 |
Progression Partners, LLCprogressionpartners.net
Development company specializing in leadership training and talent solutions, using proven methodology and a focus on strategy, change management, talent management, and human capital |
16 |
| 33 |
Bozzelli Insurancebozzelliins.com
Independent risk management advisor providing smart solutions for insurance and employee benefits, guiding clients through complexities with expert advice and dedication |
2 |
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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