AS400 PKMS Implementation & Support Services

Practice 01

AS400 PKMS Application Support & Enhancement

Many organizations operating AS400 and IBM i warehouse environments depend on interconnected RPG programs, CL jobs, DB2 for i databases, batch processes, RF transactions, labels, EDI workflows, and PKMS integrations that have evolved over many years. Changes to one component can impact multiple warehouse processes, making application maintenance and enhancement increasingly complex. Without specialized support, businesses may experience operational disruptions, application instability, integration issues, and growing dependence on undocumented legacy systems.
Our AS400 PKMS Application Support & Enhancement services help organizations maintain, optimize, troubleshoot, and extend business-critical warehouse applications running on IBM i platforms. From RPG and CL development to DB2 support, application maintenance, incident resolution, interface support, and warehouse-related enhancements, our specialists help businesses improve application reliability while protecting proven operational processes.
These solutions help businesses:
• Maintain business-critical PKMS-connected applications
• Resolve RPG, RPGLE, COBOL, and CL issues
• Enhance warehouse-related host applications
• Support DB2 for i data processing
• Maintain PKMS interfaces and batch jobs
• Support RF and warehouse printing processes
• Maintain EDI-related application logic
• Reduce reliance on undocumented legacy systems
• Improve application maintainability
• Extend existing AS400 investments

Talk to an IBM i Application Expert

70% Faster

Issue Resolution

60% Improvement

Application Stability

95% Success Rate

Application Support Projects

Maintain, troubleshoot, and enhance IBM i applications supporting warehouse operations, PKMS workflows, integrations, and business-critical processes.

AS400 Support IBM i Applications PKMS Support Warehouse Systems Legacy Modernization

Maintain IBM i applications responsible for processing warehouse transactions, inventory updates, shipping activities, and PKMS-related business processes.

PKMS Support Host Applications Warehouse Transactions Production Support IBM i

Modify and extend RPG and RPGLE applications to support changing warehouse requirements while preserving proven business logic.

RPG Development RPGLE Application Enhancements Business Rules IBM i Development

Support critical CL programs, scheduled jobs, batch workflows, and application automation processes across warehouse operations.

CL Programming Batch Processing Job Scheduling Automation Operational Support

Maintain and optimize DB2 for i databases, SQL processes, and transactional data supporting warehouse applications.

DB2 for i SQL Development Data Management Query Optimization Database Support

Support barcode labels, shipping documentation, operational printing, and warehouse document generation processes.

Warehouse Labels Barcode Printing IBM i Printing Shipping Documents Operational Support

Troubleshoot application failures, data issues, interface errors, and production incidents affecting warehouse operations.

Incident Resolution Root Cause Analysis Application Recovery Production Support System Stability

AS400 PKMS Support Core Capabilities

Application-Level PKMS Expertise

Support IBM i application logic, integrations, and data processes that power established PKMS warehouse environments.

Legacy Code Understanding

Analyze and maintain RPG, RPGLE, COBOL, and CL applications, including environments with limited documentation.

Production Issue Resolution

Investigate application, database, batch-processing, and integration issues to identify root causes and restore stability.

Controlled Application Enhancement

Implement application changes and business improvements while protecting existing warehouse workflows and operational processes.

Practice 02

IBM i / AS400 Development for PKMS Environments

Many IBM i warehouse environments contain years of business-critical logic embedded within RPG, RPGLE, COBOL, CL, and DB2 applications. Replacing these applications can introduce unnecessary cost, operational risk, and disruption. Without specialized development expertise, organizations often struggle to maintain, enhance, document, and extend legacy applications that support warehouse operations.
Our IBM i / AS400 Development services help organizations preserve valuable business logic while improving application maintainability, performance, integration capabilities, and long-term scalability. From RPG and COBOL development to DB2 optimization, code modernization, documentation, and knowledge transfer, we help businesses extend the value of established IBM i investments.
These solutions help businesses:
• Preserve proven warehouse business logic
• Enhance RPG, RPGLE, and COBOL applications
• Improve application maintainability
• Support DB2 for i optimization
• Automate IBM i business processes
• Reduce technical debt
• Document legacy applications
• Improve integration readiness
• Accelerate application enhancements
• Strengthen long-term supportability

Talk to an AS400 Development Expert

70% Faster

Application Enhancements

60% Improvement

Application Maintainability

95% Success Rate

IBM i Development Projects

Enhance, maintain, and modernize IBM i applications supporting warehouse operations, integrations, and business-critical processes.

IBM i Development AS400 Applications RPG Development Legacy Modernization Warehouse Systems

Develop and enhance warehouse applications using modern RPG development practices and maintainable coding standards.

RPG ILE RPGLE Free Format RPG IBM i Development Application Enhancement

Maintain and improve COBOL applications supporting inventory, fulfillment, warehouse, and enterprise processes.

COBOL Development Legacy Systems Application Support Warehouse Operations IBM i

Develop and automate IBM i workflows using CL and CLLE programs, batch processing, and job scheduling.

CL Programming Automation Batch Processing Job Scheduling Operations

Optimize database performance, SQL processing, indexing, and data structures supporting warehouse applications.

DB2 for i SQL Optimization Database Engineering Performance Data Management

Analyze existing application structures, dependencies, business rules, and undocumented processes before enhancements.

Application Discovery Dependency Analysis Business Logic Documentation Assessment

Create technical documentation and support materials that reduce reliance on tribal knowledge.

Documentation Knowledge Transfer Application Support Technical Readiness Governance

IBM i Development Core Capabilities

Business Logic Preservation

Maintain and enhance proven warehouse and enterprise applications while preserving the business rules, processes, and functionality that support daily operations.

Modern RPG Development

Leverage RPG, RPGLE, and modern development practices to improve application maintainability, flexibility, performance, and long-term supportability.

Database Engineering

Optimize DB2 for i databases, SQL processes, data structures, and application performance to support reliable warehouse and business operations.

Technical Knowledge Recovery

Analyze undocumented applications, dependencies, and workflows while creating structured documentation that reduces reliance on tribal knowledge.

Practice 03

AS400 PKMS Integration & Host Connectivity

Warehouse operations depend on reliable information exchange between PKMS applications, ERP systems, commerce platforms, transportation providers, and trading partners. Without effective integration management, organizations can experience data inconsistencies, transaction failures, and operational disruptions.
Our AS400 PKMS Integration & Host Connectivity services help organizations maintain, enhance, and modernize integration frameworks connecting IBM i applications with warehouse and enterprise systems.
These solutions help businesses:
• Connect PKMS and IBM i applications
• Improve data synchronization
• Enable API connectivity
• Support ERP integrations
• Enhance transaction reliability
• Modernize legacy interfaces
• Improve integration monitoring
• Reduce manual reconciliation
• Strengthen operational visibility
• Support enterprise connectivity

Talk to an IBM i Integration Expert

50% Faster

Integration Delivery

60% Improvement

Transaction Visibility

95% Success Rate

Integration Projects

Connect IBM i warehouse applications with enterprise systems, trading partners, and modern technologies.

AS400 Integration PKMS Connectivity IBM i Enterprise Integration Warehouse Systems

Support transaction exchange between warehouse applications and IBM i business systems.

PKMS Integration Host Applications Transaction Processing Warehouse Data IBM i

Connect ERP platforms with warehouse applications and inventory processes.

ERP Integration Inventory Synchronization Data Exchange Enterprise Connectivity IBM i

Expose IBM i functionality through secure APIs and modern integration services.

REST APIs JSON Services RPG APIs Integration Modernization Connectivity

Support reliable message processing and asynchronous transaction delivery.

IBM MQ Messaging Data Queues Transaction Reliability Integration

Maintain and improve file-based integration processes supporting warehouse operations.

File Integration SFTP Batch Processing Data Exchange Legacy Connectivity

Monitor interfaces and resolve transaction failures proactively.

Integration Monitoring Reconciliation Error Handling Operational Visibility Support

AS400 Integration Core Capabilities

Legacy-to-Modern Connectivity

Connect established IBM i applications with ERP systems, cloud platforms, APIs, trading partners, and modern enterprise technologies.

Reliable Transaction Processing

Maintain accurate and dependable information exchange through structured validation, exception handling, reconciliation, and transaction monitoring.

API Enablement

Expose business-critical RPG and IBM i functionality through secure APIs that support modern integration requirements without replacing existing applications.

Integration Observability

Improve visibility into interfaces, transaction flows, failed messages, and processing exceptions through monitoring, alerting, and troubleshooting capabilities.

Practice 04

Talk to an EDI Specialist

65% Faster

EDI Issue Resolution

50% Reduction

in Transaction Errors

95% Success Rate

in EDI Support Projects

Manage EDI data exchange between IBM i applications, warehouse systems, carriers, and trading partners.

EDI Integration Trading Partners IBM i Warehouse Connectivity Compliance

Validate and process incoming transactions from suppliers and business partners.

Inbound EDI Validation Purchase Orders Trading Partners Integration

Generate warehouse and fulfillment transactions for customers and partners.

ASN Shipment Data Warehouse Transactions EDI Processing Fulfillment

Support customer-specific EDI requirements and compliance initiatives.

Retail Compliance ASN Validation Partner Requirements EDI Rules Integration

Identify and resolve EDI failures before they impact operations.

EDI Monitoring Exception Management Error Resolution Transaction Health Visibility

EDI Connectivity Core Capabilities

EDI Transaction Management

Support the reliable exchange of purchasing, fulfillment, inventory, shipping, and warehouse transactions across trading partner ecosystems.

Trading Partner Compliance

Maintain customer, supplier, retailer, and carrier-specific EDI requirements while supporting data accuracy and compliance initiatives.

Transaction Monitoring & Visibility

Improve visibility into EDI processing, acknowledgements, exceptions, and transaction status through structured monitoring and reporting.

Operational Continuity

Reduce warehouse disruptions by proactively identifying, troubleshooting, and resolving EDI transaction failures and data issues.

Practice 05

AS400 Application Modernization & API Enablement

Many organizations rely on stable IBM i applications that contain valuable business knowledge and operational processes. Modernization should focus on improving flexibility, usability, and integration without unnecessarily replacing proven systems.
Our Application Modernization & API Enablement services help organizations evolve IBM i applications through code modernization, API development, user experience improvements, database enhancements, and technical debt reduction.
These solutions help businesses:
• Modernize RPG applications
• Improve application usability
• Enable API connectivity
• Enhance integration flexibility
• Optimize DB2 environments
• Reduce technical debt
• Improve maintainability
• Extend application lifespan
• Support modernization initiatives
• Lower long-term risk

Talk to an IBM i Modernization Expert

60% Faster

Modernization Delivery

40% Reduction

in Technical Debt

95% Success Rate

in Modernization Projects

Modernize IBM i applications while preserving valuable business functionality.

AS400 Modernization IBM i API Enablement RPGLE Digital Transformation

Improve maintainability through RPG modernization and code restructuring.

RPG Modernization RPGLE Application Refactoring IBM i Code Quality

Enhance usability through improved interfaces and browser-based access.

5250 Modernization Web Enablement User Experience IBM i Applications

Expose business functionality through secure service-based APIs.

REST APIs RPG Services JSON Integration Modernization

Optimize database structures and improve application performance.

DB2 for i SQL Modernization Database Design Performance Data Architecture

Identify outdated dependencies and prioritize modernization initiatives.

Technical Debt Assessment Dependency Analysis Modernization Governance

AS400 Modernization Core Capabilities

Preserve Proven Business Logic

Protect valuable operational knowledge and business functionality while improving application usability, maintainability, and integration capabilities.

Incremental Modernization Strategy

Modernize applications based on business priorities, maintenance requirements, and technology goals without unnecessary platform replacement.

Modern Integration Enablement

Extend IBM i applications through APIs, web services, modern interfaces, and enterprise connectivity to support evolving business requirements.

Long-Term Risk Reduction

Improve documentation, application quality, maintainability, and technical understanding while reducing technical debt and operational risk.

Practice 06

AS400 PKMS Managed Application Support

Warehouse applications often support critical inventory, fulfillment, shipping, EDI, and operational processes around the clock. Production issues can quickly impact warehouse performance and business continuity.
Our AS400 PKMS Managed Application Support services provide ongoing maintenance, monitoring, troubleshooting, enhancement, and operational support for IBM i applications and integrations supporting warehouse environments.
These solutions help businesses:
• Maintain application stability
• Resolve production issues faster
• Support warehouse integrations
• Monitor batch processing
• Manage EDI transactions
• Reduce operational disruptions
• Improve support readiness
• Preserve business continuity
• Maintain technical knowledge
• Enable continuous improvements

Talk to an IBM i Support Specialist

24/7 Coverage

for Critical Processes

70% Faster

Incident Resolution

95% Success Rate

in Managed Support Engagements

Provide ongoing support for IBM i applications, integrations, warehouse processes, and business-critical systems.

Managed Services AS400 Support PKMS Applications IBM i Operations

Resolve application incidents affecting warehouse operations and fulfillment.

Application Support Incident Resolution RPG Production Systems Stability

Maintain integrations connecting warehouse transactions and enterprise applications.

PKMS Support Interfaces Integration Monitoring Connectivity Warehouse Systems

Monitor and maintain scheduled processing supporting warehouse operations.

Batch Processing Job Monitoring CL Programs Automation Operations

Support transaction processing across EDI and integration environments.

EDI Support Integration Monitoring API Support IBM MQ Transactions

Deliver ongoing application improvements and business-requested enhancements.

Application Enhancements RPG Development Continuous Improvement Maintenance IBM i

Document applications, dependencies, and operational procedures to improve support readiness.

Documentation Knowledge Transfer Runbooks Governance Supportability

AS400 PKMS Managed Support Core Capabilities

Application-Focused Support

Provide ongoing support for business-critical IBM i applications, warehouse systems, PKMS integrations, and operational processes.

Legacy Technology Expertise

Support complex environments spanning RPG, RPGLE, COBOL, CL, DB2 for i, batch processing, and long-standing warehouse applications.

Integration & Operational Support

Monitor and maintain interfaces, EDI transactions, APIs, batch jobs, and connected enterprise systems that support warehouse operations.

Application Continuity & Improvement

Maintain production stability while delivering enhancements, performance improvements, documentation updates, and continuous support for evolving business needs.

Our Delivery Approach

AS400 PKMS Delivery Framework

A structured approach that helps organizations maintain, enhance, integrate, and modernize AS400 PKMS environments while preserving business continuity, improving application reliability, and maximizing the value of IBM i investments.

Application & Environment Discovery

We assess IBM i applications, RPG and COBOL programs, databases, batch jobs, integrations, EDI processes, PKMS interfaces, and external system dependencies to establish a clear understanding of the existing environment.

Dependency & Business Logic Mapping

We identify application relationships, business rules, data flows, integrations, and operational dependencies to understand potential impacts and reduce implementation risks.

Development & Controlled Enhancement

We develop and implement RPG, COBOL, CL, SQL, database, and integration enhancements using controlled development practices that protect existing business functionality.

Application, Integration & Testing

We validate application behavior, database updates, interfaces, EDI transactions, batch processes, printing workflows, and connected systems through comprehensive testing and verification.

Production Deployment & Validation

We deploy approved changes using structured release procedures, validate operational outcomes, perform post-deployment checks, and support rollback planning when required.

Ongoing Support, Optimization & Modernization

We provide continued application support, issue resolution, enhancement delivery, integration maintenance, technical documentation, and modernization initiatives that support long-term operational success.

Our AS400 PKMS Technology Excellence Framework

We help organizations maintain, enhance, integrate, and modernize IBM i warehouse applications while improving operational reliability, strengthening enterprise connectivity, preserving proven business logic, and extending the value of AS400 PKMS investments through industry-aligned IBM i and warehouse technology best practices.

💻

IBM i Application Development

Reliable Warehouse Application Engineering

Core

⚙️

RPG, RPGLE & COBOL Development

Business Logic Enhancement & Maintenance

Core

🗄️

DB2 for i Data Engineering

Optimized Warehouse Data Performance

Advanced

📦

PKMS Host Connectivity

Connected Warehouse Transactions

Operations

🔄

AS400 Integration & API Enablement

Modern Enterprise Connectivity

Expert

📡

IBM MQ & Message Processing

Reliable Transaction Exchange

Integration

📄

EDI & Trading Partner Connectivity

Seamless Business Data Exchange

Enablement

🏢

ERP & Enterprise System Integration

Connected Business Operations

Governance

🧪

Application Testing & Production Stability

Reliable Operational Performance

Strategic

🚀

Application Modernization & Transformation

Future-Ready IBM i Environments

Optimization

🛠️

Managed Application Support Services

Continuous System Improvement

Management

✅

Operational Continuity & Business Value

Long-Term Application Success

Outcome

Our Expertise & Capabilities

Proven. Trusted. IBM i-Focused.

Our AS400 PKMS specialists combine deep expertise in IBM i application development, warehouse system support, enterprise integrations, legacy modernization, and ongoing application management to help organizations maintain operational stability, preserve critical business logic, improve system performance, and maximize the value of long-standing AS400 and PKMS investments.

AS400 PKMS Application Specialists

Our experts support application logic, interfaces, databases, batch processes, and warehouse transactions that power established PKMS environments, helping organizations maintain reliable and efficient warehouse operations.

RPG & IBM i Development Specialists

We develop, enhance, and maintain RPG, RPGLE, COBOL, CL, SQL, and DB2 for i applications that support critical warehouse, fulfillment, inventory, and enterprise business processes.

IBM i Integration & Modernization Consultants

Our specialists connect AS400 applications with APIs, ERP platforms, commerce systems, EDI environments, and enterprise applications while supporting modernization initiatives that improve connectivity and flexibility.

Application Support & Modernization Experts

We help organizations modernize legacy applications through RPG refactoring, API enablement, database optimization, web integration, technical debt reduction, and continuous application improvement strategies that support long-term business value.

Blogs & Industry Perspectives

Latest from SourceMash

Insights, studies, and useful advice from our enterprise technology specialists.

Digital Transformation

AI-Powered Legacy Modernization for Digital Transformation

Learn how AI helps modernize legacy systems, streamline cloud migration, enhance security, automate processes, and accelerate digital transformation.

Oct 28, 2026

Let's Start a Conversation

Tell us about your business challenge. Our experts will respond within one business day with initial thoughts and next steps.

What to expect after you reach out:

Response from a named AI consultant (not a sales rep)
Initial thoughts specific to your use case
Zero obligation, we earn your trust before you invest

Send Us a Message

First Name *

Last Name *

Email *

Phone

Company

Subject *

Message

Recaptcha

Common Questions

Frequently Asked Questions

Everything you need to know before reaching out to us.

What Are AS400 PKMS Implementation & Support Services?

AS400 PKMS Implementation & Support Services focus on the IBM i applications and technical processes connected to established PKMS warehouse environments.
Services can include RPG and RPGLE maintenance, CL jobs, DB2 for i support, host interfaces, EDI processing, reporting, label applications, production troubleshooting, batch processing, and application enhancements.
For organizations whose PKMS environment depends heavily on IBM i, this technical application layer can be as important as the warehouse application itself.

Can SourceMash Support PKMS Applications Running With IBM i?

Yes.
SourceMash supports IBM i application environments connected to PKMS, including RPG applications, CL programs, DB2 for i databases, warehouse interfaces, EDI transactions, scheduled processes, and other technical dependencies.
Our specialists help maintain, enhance, troubleshoot, and modernize the IBM i technologies that support warehouse operations and business-critical processes.

Can You Maintain Undocumented RPG Applications?

Yes.
The first step should be application discovery rather than immediately changing the code.
Our process can include program analysis, file-dependency mapping, job-flow tracing, database analysis, interface identification, and documentation of important business rules.
Once dependencies are understood, enhancements can be designed with lower risk to established operational processes.

Do We Need to Replace AS400 to Modernize Our Warehouse Applications?

Not necessarily.
Modernization can include improving existing RPG applications, creating APIs, modernizing interfaces, improving database structures, documenting applications, and connecting IBM i with newer enterprise platforms.
The correct approach should depend on business value, technical risk, maintainability, and long-term architecture requirements rather than platform replacement alone.

Can You Connect RPG Applications to Modern APIs?

Yes.
Existing IBM i application functionality can often be exposed or connected through modern integration interfaces.
An integration assessment should first determine which business logic is stable, what data must be exchanged, security requirements, expected transaction volumes, and error-handling requirements.
A service-oriented approach can help organizations extend proven applications while reducing the need for complete rewrites.

Can You Support RPG, RPGLE, COBOL and CL Together?

Yes.
Mature IBM i applications commonly contain components written across multiple generations of technologies.
Support engagements often require expertise across RPG, RPGLE, COBOL, CL, SQL, and DB2 for i to ensure all application components continue working together effectively.

Can You Maintain AS400 PKMS Integrations With ERP Systems?

Yes.
SourceMash can support the IBM i side of integrations connecting PKMS-related processes with ERP, OMS, transportation, commerce, and other business systems.
Typical transactions can involve orders, receipts, inventory, shipments, status information, and master data.
Our focus is the AS400 host and application integration layer that supports reliable information exchange across connected systems.

What Is the Difference Between AS400 PKMS Support and Manhattan WMS Consulting?

They address different technical requirements.
AS400 PKMS support focuses on IBM i applications, RPG and RPGLE programs, DB2 for i, CL processing, PKMS host interfaces, EDI transactions, batch jobs, and legacy application maintenance.
Manhattan WMS consulting focuses on the Manhattan warehouse platform itself, including WMS implementation, platform configuration, warehouse optimization, Manhattan SCALE, Active Warehouse Management, and platform modernization.
Organizations operating interconnected environments may require both services, but each supports a different technology layer within the warehouse ecosystem.

AS400 PKMS Implementation & Support Services for Reliable Warehouse Operations

AS400 PKMS Application Support & Enhancement

AS400 PKMS Application Support & Enhancement

PKMS Host Application Support

RPG Application Enhancements

CL & Batch Processing Support

DB2 for i Application Data Support

Warehouse Printing & Label Applications

Application Incident Resolution

AS400 PKMS Support Core Capabilities

Application-Level PKMS Expertise

Legacy Code Understanding

Production Issue Resolution

Controlled Application Enhancement

IBM i / AS400 Development for PKMS Environments

IBM i / AS400 Development for PKMS Environments

RPG ILE & RPGLE Development

COBOL Application Maintenance

CL Programming & Automation

DB2 for i Engineering

Legacy Application Analysis

Documentation & Knowledge Transfer

IBM i Development Core Capabilities

Business Logic Preservation

Modern RPG Development

Database Engineering

Technical Knowledge Recovery

AS400 PKMS Integration & Host Connectivity

AS400 PKMS Integration & Host Connectivity

PKMS-to-AS400 Host Integration

ERP-to-AS400 Integration

REST API Enablement

IBM MQ & Message-Based Integration

File-Based Host Integration

Integration Monitoring & Reconciliation

AS400 Integration Core Capabilities

Legacy-to-Modern Connectivity

Reliable Transaction Processing

API Enablement

Integration Observability

AS400 PKMS EDI & Trading Partner Connectivity

AS400 PKMS EDI & Trading Partner Connectivity

Inbound EDI Processing

Outbound Warehouse Transactions

Retail Compliance Integration

EDI Monitoring & Exception Management

EDI Connectivity Core Capabilities

EDI Transaction Management

Trading Partner Compliance

Transaction Monitoring & Visibility

Operational Continuity

AS400 Application Modernization & API Enablement

AS400 Application Modernization & API Enablement

RPG/400 to Modern RPGLE

5250 & User Experience Modernization

API Enablement for Legacy Applications

DB2 for i Modernization

Technical Debt Reduction

AS400 Modernization Core Capabilities

Preserve Proven Business Logic

Incremental Modernization Strategy

Modern Integration Enablement

Long-Term Risk Reduction

AS400 PKMS Managed Application Support

AS400 PKMS Managed Application Support

Production Application Support

PKMS Interface Support

Batch Job Monitoring

EDI & Integration Support

Application Enhancement Backlog

Knowledge Management

AS400 PKMS Managed Support Core Capabilities

Application-Focused Support

Legacy Technology Expertise

Integration & Operational Support

Application Continuity & Improvement

Ready to Strengthen Your AS400 PKMS Environment?

AS400 PKMS Delivery Framework

Our AS400 PKMS Technology Excellence Framework

Proven. Trusted. IBM i-Focused.