In the ever-evolving world of enterprise technology, IBM i (AS/400, iSeries) continues to stand tall as a robust platform for modern businesses. The versatility, reliability, and scalability of IBM i have made it the backbone of many industries. However, to fully leverage the platform's capabilities, organizations often require the expertise of trusted IBM i service providers.
In this blog, we delve into the top 20 IBM i service providers, offering a detailed look at how these companies are helping businesses achieve their goals. From application development to modernization services, these providers are at the forefront of IBM i innovation in 2025.
1. IBM
As the creator of the IBM i platform, IBM remains a global leader in delivering cutting-edge services and solutions for enterprises. IBM offers comprehensive support, from hardware and software upgrades to cloud integration and modernization services.
Key Services:
- IBM Power Systems (IBM i Hardware)
- IBM i Modernization and Upgrades
- Cloud Hosting and Integration
- Advanced Security Solutions
IBM’s ongoing investment in research and development ensures that the platform remains future-ready. Their expertise is unmatched, making them the cornerstone of the IBM i ecosystem.
2. Programmers.io
Programmers.io is a global leader in IBM i services, offering end-to-end solutions for AS/400 development, modernization, and maintenance. With a strong team of certified developers, the company is known for delivering scalable and high-performing IBM i applications tailored to specific business needs.
Key Services:
- Custom IBM i Application Development
- AS/400 Modernization
- System Integration and Support
- Cloud Migration for IBM i
What sets Programmers.io apart is its client-centric approach, ensuring seamless collaboration and consistent results.
3. Infoview Systems
Infoview Systems specializes in IBM i integration services, helping businesses connect legacy systems with modern platforms. They have expertise in creating seamless APIs, enabling enterprises to integrate IBM i applications with cloud systems, ERPs, and other technologies.
Key Services:
- API Integration for IBM i
- Legacy System Modernization
- Enterprise Connectivity Solutions
Their ability to bridge the gap between legacy systems and modern applications makes Infoview Systems a critical partner for enterprises.
4. GlassHouse Systems
GlassHouse Systems is a renowned IBM i service provider with decades of experience in IT infrastructure. Their focus on cybersecurity, cloud solutions, and IBM i management makes them a top choice for enterprises seeking robust and secure systems.
Key Services:
- Managed IBM i Services
- Cloud Hosting for AS/400
- Security and Compliance Solutions
GlassHouse's proactive approach to system management ensures maximum uptime and data security.
5. Procern
Procern is a leading name in the IBM i community, offering specialized services in application development and system modernization. Their team focuses on leveraging IBM i to create scalable business solutions for industries like healthcare, finance, and manufacturing.
Key Services:
- AS/400 Development Services
- IBM i System Migration
- Industry-Specific Solutions
Procern is widely recognized for its ability to transform legacy systems into future-ready platforms.
6. LANSA
LANSA is a pioneer in IBM i development tools, helping businesses streamline application development and deployment. They offer low-code solutions that make it easier to modernize legacy systems and improve operational efficiency.
Key Services:
- Low-Code Development Tools
- AS/400 Modernization Services
- IBM i Web Development
LANSA's tools are trusted by businesses worldwide for delivering fast and effective results.
7. Profound Logic
Profound Logic specializes in IBM i application modernization, making it a go-to provider for businesses looking to extend the life of their AS/400 systems. Their expertise in delivering intuitive, modern interfaces has earned them a strong reputation.
Key Services:
- RPG Conversion Tools
- GUI Modernization for IBM i
- API Development
Their focus on innovation ensures that businesses can keep their IBM i systems relevant and user-friendly.
8. Srin Soft
Srin Soft is a technology-driven company offering comprehensive IBM i services, from application development to migration. They excel in delivering robust and cost-effective solutions for global enterprises.
Key Services:
- AS/400 Migration Services
- Cloud Solutions for IBM i
- IBM i Support and Maintenance
Their commitment to quality and efficiency makes Srin Soft a trusted name in the industry.
9. Midrange Dynamics
Midrange Dynamics is a global leader in IBM i change management and DevOps solutions. Their tools and services enable businesses to implement changes faster while maintaining high levels of security and reliability.
Key Services:
- IBM i Change Management Tools
- AS/400 DevOps Solutions
- High Availability and Disaster Recovery
Their innovative approach to managing complex IBM i systems ensures smooth operations for their clients.
10. Eradani
Eradani focuses on helping businesses connect their IBM i systems with modern applications through APIs. Their expertise lies in creating secure, scalable integrations that drive digital transformation.
Key Services:
- API Development for IBM i
- Legacy System Modernization
- IBM i Data Integration
Eradani’s services are instrumental for businesses aiming to bridge the gap between legacy and modern platforms.
11. Kyndryl
Kyndryl is a global IT infrastructure services provider with a dedicated focus on IBM i systems. They offer a comprehensive suite of solutions, from hosting to application management, tailored to enterprise needs.
Key Services:
- IBM i Managed Services
- Cloud Migration for AS/400
- Enterprise Security Solutions
Kyndryl’s extensive global network ensures reliable and scalable IBM i services for businesses.
12. FIS Global
FIS Global provides industry-specific IBM i solutions for the financial sector, helping banks and financial institutions optimize their operations. Their focus on compliance and innovation sets them apart.
Key Services:
- AS/400 Banking Solutions
- Payment Processing Systems
- Regulatory Compliance Services
FIS Global is a trusted partner for businesses in the finance sector.
13. Infosys
Infosys is a global IT leader offering robust IBM i solutions for enterprises across industries. Their expertise in AI, automation, and cloud services complements their IBM i offerings.
Key Services:
- AS/400 Cloud Solutions
- Application Modernization
- System Integration Services
Infosys combines cutting-edge technology with deep industry expertise to deliver transformative solutions.
14. HCL Technologies
HCL Technologies is a global powerhouse in IBM i modernization, offering innovative solutions that enable businesses to stay ahead in a competitive market.
Key Services:
- IBM i Digital Transformation Services
- Cloud and DevOps for AS/400
- IBM i Security Solutions
Their ability to integrate IBM i systems with modern technologies makes them a top choice for enterprises.
15. TCS (Tata Consultancy Services)
TCS offers a wide range of IBM i services, focusing on modernizing legacy systems and optimizing business operations. Their global presence and expertise make them a reliable partner for large enterprises.
Key Services:
- AS/400 Application Development
- IBM i Migration Services
- Enterprise IT Solutions
TCS’s strategic approach ensures that businesses can derive maximum value from their IBM i investments.
16. Cognizant
Cognizant is a leading IT services provider with a strong focus on IBM i modernization. They help businesses enhance their legacy systems with modern functionalities and integrations.
Key Services:
- Legacy Modernization for AS/400
- IBM i Cloud Solutions
- Application Development and Maintenance
Their customer-centric approach ensures solutions that align with business goals.
17. Capgemini
Capgemini is a global leader in consulting, technology, and IBM i services. Their solutions are tailored to help businesses enhance operational efficiency and achieve digital transformation.
Key Services:
- IBM i Managed Services
- AS/400 Migration Solutions
- Cloud Hosting for IBM i
Capgemini’s holistic approach to IBM i services ensures seamless integration with modern technologies.
18. LTI Mindtree
LTI Mindtree specializes in IBM i solutions, offering a mix of application development, modernization, and migration services. Their innovative approach ensures that businesses can keep their IBM i systems relevant.
Key Services:
- IBM i Application Development
- AS/400 Modernization Services
- Cloud Integration Solutions
Their focus on delivering measurable results makes them a top IBM i service provider.
19. CGI
CGI is a trusted partner for businesses seeking reliable IBM i solutions. Their expertise in IT consulting and system modernization helps enterprises maximize their IBM i investments.
Key Services:
- AS/400 Managed Services
- IBM i System Upgrades
- Application Modernization
CGI’s global reach and technical expertise make them a preferred choice for IBM i services.
20. Tech Mahindra
Tech Mahindra offers innovative IBM i solutions to help businesses stay competitive in a rapidly changing market. Their focus on automation and cloud integration ensures future-ready systems.
Key Services:
- AS/400 Application Development
- IBM i Cloud Services
- System Integration Solutions
Their commitment to delivering cutting-edge solutions makes them a standout provider.
21. Virtusa
Virtusa provides comprehensive IBM i services, from system modernization to application management. Their expertise in integrating IBM i with modern technologies ensures seamless operations.
Key Services:
- Legacy Modernization for IBM i
- Cloud Migration for AS/400
- Application Support and Maintenance
Virtusa’s innovative solutions help businesses unlock the full potential of their IBM i systems.
Conclusion
The IBM i platform remains a cornerstone of enterprise IT infrastructure, and these 20 companies represent the best in the industry. From development and modernization to integration and managed services, these providers are equipped to meet the evolving needs of businesses in 2025 and beyond.
Whether you're looking to modernize legacy applications, integrate cloud solutions, or ensure seamless operations, these IBM i service providers are your go-to partners for success. If you're searching for an AS400 app development company, this guide highlights the leading names in the industry to help you find the perfect partner for your business needs.
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