Top Software Development Companies in Indiana

Between them, the 17 software development companies on this page cover medical (4), simple (3), science (3) and mobile app development (2). They also list work in United States of America. 17 of them have written a profile you can read before you get in touch.

1. 1

   

   Boyce Systems

   Boyce Systems makes financial management software, and today concentrates on Indiana's public K-12 schools.

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   Why #1: Based in Indiana, USA · In business 100+ years — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Carleton, Inc.

   Carleton, Inc. writes software and provides compliance services for the consumer lending industry across the United States.

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   Why #2: Based in South Bend, Indiana, USA · In business 55+ years — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Counterpart

   Mobile App Development · Web Development · iOS App · Also in United States of America

   Indianapolis custom software firm building web, mobile, cloud and AI systems for organisations that outgrow off-the-shelf tools

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   Why #3: Based in Indianapolis, Indiana, USA · Founded 1993 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   DelMar Software Development

   simple

   DelMar Software Development, now trading as DELMAR, writes bespoke software for businesses of all sizes.

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   Why #4: Based in West Lafayette, Indiana, USA · Founded 2004 — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

5. 5

   IH

   Indy Hackers

   Indy Hackers is a community group for people working in technology in Indiana.

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   Why #5: Based in Indianapolis, Indiana · Founded 2008 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

6. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
7. –

   

   Accent Consulting

   Accent Consulting is a managed IT and cybersecurity provider for small and mid-sized businesses in Indiana, and nationwide through its Accent Direct service.

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   On record: Based in Indiana, US

8. –

   

   Apsurge Inc

   simple

   Apsurge Inc works from Fort Wayne, Indiana, where it writes bespoke software, designs websites and handles online marketing for businesses.

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   On record: Based in Fort Wayne, Indiana, United States

9. –

   

   Arborgold Software

   Job Costing · simple · DataBase

   Arborgold Software makes business management software for companies in the green industry, such as tree care, landscaping and lawn care firms.

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10. –

    

    Business Informatics, LLC

    Cloud

    Indiana Acumatica partner delivering cloud ERP, WooCommerce integration and outsourced IT for distributors and manufacturers

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    On record: Based in Decatur, Indiana, United States

11. –

    

    ChalkLabs

    Science · Visualization

    ChalkLabs is a software company that developed Pushgraph, a data analytics and data visualisation platform.

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12. –

    

    Cost Control Software

    Job Costing · Medical · Scheduling · Also in Carmel, Indiana

    Cost Control Software makes add-on products for Microsoft Dynamics 365 Business Central, the business management system, along with training and training materials.

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13. –

    

    Critical Data Solutions

    Cloud · Learning

    Critical Data Solutions develops custom software and mobile apps from its office in South Bend, Indiana, and serves the Chicago area.

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    On record: Based in South Bend, Indiana

14. –

    

    Diffusion Imaging in Python

    Medical · Science · Visualization · Also in Washington

    Diffusion Imaging in Python, known as DIPY, is an open-source Python library for 3D and 4D medical imaging, with a particular focus on diffusion MRI of the brain.

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15. –

    

    DigiBio

    Medical · Also in Stamford

    DigiBio is a research technology platform for collecting patient-reported outcomes and digital biomarkers.

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16. –

    

    Fretless

    Science · PHP · Construction · Also in Indianapolis

    Fretless is a software development and management consultancy in Indianapolis.

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    On record: Based in Indianapolis, Indiana, United States

17. –

    

    Indesign, LLC

    Mobile App Development · Web Development · iOS App · Also in United States of America

    Indiana engineering firm offering turnkey product design and development across electrical, mechanical and software disciplines

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    On record: Based in Indiana, USA

18. –

    

    KNDCODE

    Medical · DataBase · Learning

    KNDCODE is a nearshore software company registered in Indiana.

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    On record: Based in Indiana, United States

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