Bringing different software systems together is a challenge most companies eventually face. In the USA, a number of leading firms focus on solving this problem. These providers handle the heavy lifting of connecting tools that weren’t built to work side by side, so businesses can avoid duplicate work, slow processes, and data errors.

The top software integration companies in the USA don’t just set up connections between apps. They design solutions that make everyday operations easier, whether that means syncing cloud platforms, linking a CRM with accounting tools, or building APIs to tie custom software into existing workflows. By working with these specialists, businesses can move away from patchwork fixes and create a more reliable, efficient system that actually supports growth.

1. OSKI Solutions

We provide software integration services in the USA, helping companies connect their systems and streamline how data moves between them. Our work covers cloud, frontend, and AI solutions, with a focus on building reliable integrations that improve daily operations. By combining technologies like .NET, Node.js, React, and cloud platforms such as AWS and Azure, we bring together different tools into one working system.

Our approach is simple: design, develop, deploy, and maintain solutions that fit into existing setups without adding unnecessary complexity. We handle everything from API connections and CRM integration to hybrid cloud setups and serverless computing. Integration is not just about linking apps but making sure workflows are smooth, secure, and easier to manage.

Key Highlights:

• Experience with cloud, frontend, and AI solutions
• Focus on integration and automation for businesses in the USA
• Work with technologies like .NET, Node.js, React, and Vue.js
• Support for industries including e-commerce, logistics, healthcare, and education

Services:

• Software integration services
• API development and management
• Cloud integration with AWS, Azure, and Google Cloud
• CRM and ERP system connections
• AI-driven integrations
• Frontend and UI/UX solutions

Contact Information:

• Website: oski.site 
• Address: Kaupmehe tn 7-120, Tallinn, Estonia
• Phone: +48571282759
• E-mail: contact@oski.site 
• LinkedIn: www.linkedin.com/company/oski-solutions 

2. Accenture

Accenture provides software integration services in the USA, working with organizations across industries. The company helps connect systems, streamline data, and modernize how businesses operate. Integration is part of a broader consulting approach that covers cloud, AI, and digital transformation. By combining strategy and technology, Accenture supports companies that want to link platforms and improve workflows without disrupting their existing operations.

Integration projects often involve data platforms, cloud migration, and API connections. Accenture also works with enterprise software to create consistent processes across large organizations. The goal is to remove silos, make data easier to use, and help businesses adapt to change.

Key Highlights:

• Software integration services in the USA
• Focus on cloud, AI, and digital transformation
• Experience with enterprise-level system connections
• Works across industries such as sports, healthcare, and public sector

Services:

• Software integration
• API development and management
• Cloud consulting and migration
• AI and automation services
• Cybersecurity integration
• Data and analytics solutions

Contact Information:

• Website: www.accenture.com
• Address: 395 9th Avenue, New York, NY, 10001
• Phone: +19174524400

3. Deloitte

Deloitte provides software integration services in the USA as part of its consulting and engineering work. The company focuses on connecting systems that support large businesses and government organizations. Integration is combined with areas like AI, cybersecurity, and enterprise technology. Deloitte approaches integration with a focus on connecting processes across finance, supply chains, and customer systems.

The company supports businesses in aligning technology with operations. Integration services often cover API management, cloud platforms, and engineering solutions that keep complex systems running. Deloitte works with clients that need consistency across multiple platforms while still adapting to new digital demands.

Key Highlights:

• Software integration services in the USA
• Focus on enterprise and government clients
• Combines engineering, AI, and cybersecurity with integration
• Works across industries including finance, manufacturing, and public sector

Services:

• Software integration
• Enterprise technology and performance consulting
• API management
• Cloud integration services
• Cybersecurity integration
• Engineering and data solutions

Contact Information:

• Website: www.deloitte.com
• Address: 695 Town Center Dr., Suite 1000, Costa Mesa, CA, 92626, United States
• Phone: +1 714 436 7100
• LinkedIn: www.linkedin.com/company/deloitte
• Twitter: x.com/deloitte
• Facebook: www.facebook.com/deloitte

4. IBM 

IBM provides software integration services in the USA with a strong focus on hybrid cloud and AI. The company works directly with businesses to connect legacy systems, migrate to new platforms, and create smooth data flows between applications. Integration is supported by partnerships with major vendors like AWS, Microsoft, and SAP.

The company’s approach includes advising, designing, and operating integrated systems that help enterprises manage complex environments. IBM Consulting often combines integration with AI, cybersecurity, and industry-specific solutions. The aim is to reduce complexity, improve data use, and keep operations running on a connected foundation.

Key Highlights:

• Software integration services in the USA
• Strong focus on hybrid cloud and AI
• Works with major technology partners
• Supports industries like healthcare, manufacturing, and finance

Services:

• Software integration
• Cloud consulting and migration
• API and system connections
• AI-driven integration
• Cybersecurity services
• Industry-specific consulting

Contact Information:

• Website: www.ibm.com
• Address: 1 New Orchard Road, Armonk, New York 10504-1722, United States
• Phone: 1-800-426-4968
• LinkedIn: www.linkedin.com/company/ibm
• Twitter: x.com/ibm
• Instagram: www.instagram.com/ibm

5. Cognizant

Cognizant provides software integration services in the USA. The company connects apps, data, and platforms so operations run with fewer handoffs. Work often spans cloud, AI, and core systems. Projects include API setups, ERP links, and data flows that help teams act faster. Cognizant focuses on stable delivery and clear ownership from plan to run.

Key Highlights:

• Software integration services in the USA
• Work across cloud, ERP, and customer platforms
• Uses API first patterns and automation
• Supports programs that scale across business units

Services:

• System and data integration
• API design and management
• Cloud migration and platform links
• Enterprise application integration
• Data engineering and analytics
• Integration support and run services

Contact Information:

• Website: www.cognizant.com
• Address:200 Somerset Corporate Blvd, Suite 8001, Bridgewater (New York metro) 08807, NJ
• Phone: (908) 809-7000
• E-mail: inquiry@cognizant.com
• LinkedIn: www.linkedin.com/company/cognizant
• Twitter: x.com/cognizant
• Facebook: www.facebook.com/Cognizant
• Instagram: www.instagram.com/cognizant

6. World Wide Technology

World Wide Technology provides software integration services in the USA. The company builds and tests solutions in labs, then moves them into production. Work covers cloud, networking, security, and data platforms. WWT focuses on end to end integration that aligns tools, policies, and teams. Effort is placed on proving designs before rollout to reduce risk.

Key Highlights:

• Software integration services in the USA
• Lab driven approach for proofs and pilots
• Coverage across cloud, data center, and security
• Partner ecosystem to accelerate builds

Services:

• System integration and orchestration
• Cloud adoption and migration
• Network and security integration
• Automation and infrastructure as code
• Data platform integration
• Runbooks and handover for operations

Contact Information:

• Website: www.wwt.com
• Address: 1 World Wide Way, Maryland Heights, MO 63146, United States 
• Phone: (314) 569-7000
• LinkedIn: www.linkedin.com/company/world-wide-technology
• Twitter: x.com/wwt_inc
• Facebook: www.facebook.com/WorldWideTechnologyInc
• Instagram: www.instagram.com/wwt_inc

7. Optiv

Optiv provides software integration services in the USA with a focus on cybersecurity. The company connects identity, network, and cloud security tools so controls work together. Work includes policy alignment, tool tuning, and data sharing between platforms. Optiv helps clients simplify stacks and close gaps that appear between products.

Key Highlights:

• Software integration services in the USA
• Security first approach across cloud and on prem
• Experience with major security vendors
• Focus on measurable operations and response

Services:

• Security platform integration
• Identity and access integration
• SIEM and XDR data pipelines
• Secure access and SASE setups
• Incident response runbooks and playbooks
• Technology sourcing and lifecycle support

Contact Information:

• Website: www.optiv.com
• Address: Corporate & Optiv Federal, 1144 15th Street, Suite 2900, Denver, CO 80202, United States
• Phone: (800) 574-0896
• E-mail: info@optiv.com
• LinkedIn: www.linkedin.com/company/optiv-inc
• Facebook: www.facebook.com/OptivInc

8. SHI

SHI provides software integration services in the USA as part of broader IT solutions. The company helps organizations select, deploy, and connect the right technologies. Work ranges from cloud and data center builds to workplace and security rollouts. SHI aligns licensing, configuration, and integration so teams can manage systems with less overhead.

Key Highlights:

• Software integration services in the USA
• Coverage from procurement to deployment
• Partnerships with major OEMs and cloud providers
• Support for governance, cost control, and adoption

Services:

• System and application integration
• Cloud and data center integration
• Endpoint and workplace integration
• Identity and security integration
• Software asset management alignment
• Managed support and ongoing optimization

Contact Information:

• Website: www.shi.com
• Address: 290 Davidson Avenue, Somerset, NJ 08873
• Phone: 888-764-8888
• LinkedIn: www.linkedin.com/company/shi-international-corp-
• Twitter: x.com/SHI_Intl
• Facebook: www.facebook.com/SHIInternational
• Instagram: www.instagram.com/shi_intl

9. Geniusee

Geniusee provides software integration services in the USA. The company connects web, mobile, and cloud systems so data moves cleanly across tools. Work covers APIs, payment rails, and third party services. Geniusee also sets up CI/CD and cloud resources to keep releases steady. The aim is simple integration that teams can support without extra hassle.

Key Highlights:

• Software integration services in the USA
• API first approach across web and mobile
• Cloud setup and DevOps support
• Experience across fintech, edtech, and retail

Services:

• System and data integration
• API design and implementation
• Cloud integration and DevOps
• CRM and payment platform connections
• Web and mobile app integration
• Ongoing support and handover

Contact Information:

• Website: geniusee.com
• Address: 1108 Lavaca St, STE 110-750, Austin, TX 78701, USA
• Phone: +1 512 333 1220
• E-mail: info@geniusee.com
• LinkedIn: www.linkedin.com/company/geniusee
• Twitter: x.com/GeniuseeSW
• Facebook: www.facebook.com/geniuseesoftware
• Instagram: www.instagram.com/geniusee_software

10. Chetu

Chetu provides software integration services in the USA. The company links enterprise apps, data sources, and cloud platforms. Projects include ERP and CRM connections, custom APIs, and reporting pipelines. Chetu also supports security and infrastructure so integrated systems stay reliable after launch.

Key Highlights:

• Software integration services in the USA
• Coverage across ERP, CRM, and data tools
• Onshore, nearshore, and offshore delivery options
• Work spans cloud, security, and QA

Services:

• Application and data integration
• API development and management
• Cloud, infrastructure, and cybersecurity integration
• Business intelligence and reporting pipelines
• Quality assurance for integrated stacks
• Support and maintenance

Contact Information:

• Website: www.chetu.com
• Address: 1500 Concord Ter, Suite 100, Sunrise, FL 33323, USA
• Phone: 954 342 5676
• E-mail: sales@chetu.com
• LinkedIn: www.linkedin.com/company/chetu-inc-
• Twitter: x.com/ChetuInc
• Facebook: www.facebook.com/ChetuInc

11. COAX Software

COAX Software provides software integration services in the USA. The company connects web, mobile, and backend systems with a focus on clear handoffs. Work includes API gateways, payments, and cloud services. COAX also helps modernize older code so new and old systems work together.

Key Highlights:

• Software integration services in the USA
• Focus on web and mobile stacks
• Cloud and DevOps alignment for releases
• Experience in travel, retail, and finance

Services:

• System and API integration
• Web and mobile app integration
• Cloud migration and platform links
• Software modernization and refactoring
• QA and test automation for integrations
• Documentation and runbook handover

Contact Information:

• Website: coaxsoft.com
• Address: 401 S Milwaukee Ave, Wheeling, IL 60090, USA
• Phone: +1 773-644-8871
• E-mail: sales@coaxsoft.com
• LinkedIn: www.linkedin.com/company/coaxdigital
• Twitter: x.com/coax_software
• Facebook: www.facebook.com/coaxsoft.ua
• Instagram: www.instagram.com/coax.digital

12. KMS Technology

KMS Technology provides software integration services in the USA. The company connects products, data, and platforms so work moves without extra handoffs. Integration fits into broader delivery that includes cloud, QA, and modernization. KMS Technology plans, builds, and supports the links so teams can operate with less friction.

Key Highlights:

• Software integration services in the USA
• Coverage across cloud, data, QA, and mobile
• Uses API first patterns and CI/CD
• Works with product and engineering teams for smooth rollout

Services:

• System and data integration
• API design and implementation
• Cloud migration and platform links
• DevOps and release automation
• Salesforce and enterprise app integration
• Support and maintenance

Contact Information:

• Website: kms-technology.com
• Address: 1776 Peachtree Rd NW, Suite 200N, Atlanta, GA 30309, USA
• LinkedIn: www.linkedin.com/company/kms-technology
• Twitter: x.com/kmstechnology
• Facebook: www.facebook.com/kmstechnologyvietnam

13. Terracor Business Solutions

Terracor Business Solutions provides software integration services in the USA to simplify how businesses run their systems. The company connects tools like CRM, ERP, accounting, and warehouse management so data flows automatically, reducing manual work and errors.

Their approach is clear and practical: review existing systems, design and test the integration, then provide support. Terracor also handles tasks like syncing online and desktop tools or automating website updates, all with the goal of saving time and improving visibility across operations.

Key Highlights:

• Software integration services in the USA
• Focus on automating processes and reducing manual work
• Works with CRM, ERP, WMS, and accounting software
• Step-by-step approach from planning to ongoing support

Services:

• CRM and accounting software integration
• ERP and warehouse management system connections
• Automated website and app data updates
• Custom API integration
• Process automation
• Long-term support and maintenance

Contact Information:

• Website: terracor.ca
• Phone: 204-477-5342
• E-mail: support@terracor.ca
• LinkedIn: www.linkedin.com/company/terracor-business-solutions
• Facebook: www.facebook.com/terracorbusinesssolutions
• Instagram: www.instagram.com/terracorbusinesssolutions

14. Asymm

Asymm provides software integration services in the USA. The company connects third party APIs and internal systems to add features without rebuilding. Work includes payments, CRM, data sync, and content tools. Asymm starts with the use case, then maps data and error paths so the integration is stable.

Key Highlights:

• Software integration services in the USA
• Strong focus on third party API use
• End to end work from design to QA
• Nearshore delivery option from Mexico

Services:

• API and system integration
• Payment and ecommerce integrations
• CRM and ERP connections
• Data pipelines and authentication services
• CMS and productivity tool integrations
• Testing and release support

Contact Information:

• Website: asymm.com
• Address: 517 S Cedros Ave, Solana Beach, CA 92075, USA
• Phone: +1 858 395 4326
• E-mail: info@asymm.com
• LinkedIn: www.linkedin.com/company/asymm1

15. Saigon Technology

Saigon Technology provides software integration services in the USA. The company links apps, data, and cloud platforms for a single workflow. Work spans application, data, and API integration with support for legacy systems. Saigon Technology sets up mapping, testing, and handover so teams can operate the result with confidence.

Key Highlights:

• Software integration services in the USA
• Application, data, and cloud coverage
• Experience with ERP, CRM, and SaaS links
• Focus on clear testing and support

Services:

• System and application integration
• API design and implementation
• Data integration and transformation
• Cloud integration with AWS, Azure, and GCP
• Legacy system modernization
• Integration testing and maintenance

Contact Information:

• Website: saigontechnology.com
• Address: 12110 Sunset Hills Rd, Ste 600, Reston, VA 20190, USA
• Phone: 833-872-4466
• E-mail: sales@saigontechnology.com
• LinkedIn: www.linkedin.com/company/saigon-technology
• Twitter: x.com/saigontech
• Facebook: www.facebook.com/saigontechnology

Conclusion

Getting different systems to play nice with each other isn’t just a tech chore anymore. It’s basically the backbone of how most businesses run. Software integration in the US now covers everything from hooking up APIs to syncing data across cloud platforms. But at the end of the day, the whole point is pretty simple: cut down on the gaps, keep things flowing, and make work less messy.

When looking for help, it’s not about fancy buzzwords. It’s about finding a team that actually knows how to fit into your setup. Ask the basic stuff: how do they test? What happens if something breaks in the middle of the night? Who's going to own what once it’s live? Those little details usually decide whether the integration works smoothly or turns into another headache.

The best way to start is small. Fix the process that causes the most pain first, prove it works, and then build from there. The funny thing is, when integrations are done right, they stop being exciting. They just work quietly in the background. And that’s exactly what you want−no noise, no drama, just systems that talk to each other so you can get on with the real work.