SAP R/3 Users List: Who Still Uses Legacy SAP R/3 and Why It Matters for B2B Marketing

SAP R/3 remains one of the most widely deployed enterprise resource planning systems ever built. Launched by SAP in the early 1990s, it reshaped how large organizations manage finance, logistics, and operations. Despite the push toward SAP S/4HANA and cloud ERP, over 89,000 companies worldwide still run SAP R/3 or its successor, SAP ECC — and that makes this audience one of the most valuable B2B targets available today.

For technology vendors, consultants, system integrators, and migration service providers, a verified SAP R/3 users list provides direct access to organizations navigating one of the largest IT transformation cycles of the decade. This guide explains who is still using SAP R/3, which industries are most affected, and how to build a targeted outreach strategy using accurate B2B data.

Explore our SAP Users List and SAP ECC Users List for related targeting options.

What Is SAP R/3?

SAP R/3 is a client-server enterprise resource planning (ERP) software suite developed by SAP SE, a German multinational software company. First released in 1992, SAP R/3 introduced a three-tier architecture — database, application, and presentation layers — that became the standard for enterprise software deployment throughout the 1990s and 2000s.

SAP R/3 integrated core business functions into a single system: financial accounting (FI), controlling (CO), materials management (MM), sales and distribution (SD), production planning (PP), human resources (HR), and plant maintenance (PM). This level of integration was revolutionary for enterprise organizations at the time, and it created deep dependency on the platform across industries globally.

SAP R/3 evolved through several major releases — 3.0, 3.1, 4.0, 4.5, 4.6 — before SAP rebranded the product line as SAP ECC (ERP Central Component) from version 5.0 onward. In practical terms, companies that run SAP ECC 5.0 or 6.0 are running the direct evolution of SAP R/3, and the installed base, business processes, and decision-making profiles are largely the same. The transition from R/3 to ECC was incremental — not a full system replacement — which is why both terms are still used interchangeably in the market.

SAP announced the end of mainstream maintenance for SAP ECC in 2027, creating an urgent migration timeline for every organization still running this platform.

Who Still Uses SAP R/3?

Despite being a 30-year-old platform, SAP R/3 and SAP ECC remain in active production across thousands of organizations globally. Migrations to SAP S/4HANA are costly, complex, and multi-year undertakings — which is why so many companies have delayed the transition.

The industries with the highest concentration of SAP R/3 and legacy SAP ECC users include:

• Manufacturing — Discrete and process manufacturers built their entire production, quality, and supply chain operations on SAP R/3. Replacing it requires reworking decades of custom configurations and ABAP code. Many mid-size manufacturers are still evaluating whether to migrate or seek alternative ERP platforms.
• Energy and Utilities — Power companies, oil and gas producers, and utility providers rely on SAP R/3 for plant maintenance (PM), project systems (PS), and financial accounting. These are complex, regulated environments where system replacements face intense scrutiny.
• Chemicals and Pharmaceuticals — Batch management, quality management, and regulatory compliance processes are deeply embedded in SAP R/3 for these sectors. Validation requirements make system changes particularly slow and expensive.
• Public Sector and Government — Government agencies in Europe, the Middle East, and Asia adopted SAP R/3 extensively in the 1990s and 2000s. Budget cycles, procurement rules, and risk aversion mean public sector SAP R/3 deployments often outlast their private sector counterparts.
• Retail and Consumer Goods — Large retail groups and FMCG companies integrated SAP R/3 into their supply chain and financial reporting infrastructure. Many are mid-migration, with legacy R/3 still active in parts of the business.

Company profiles range from large enterprises with annual revenues above $500 million to mid-market organizations with 500–5,000 employees. Both groups represent high-value B2B targets with substantial IT budgets and active technology investment cycles.

Why SAP R/3 Users Are High-Value B2B Targets

The business case for targeting companies using SAP R/3 is exceptionally strong in 2025 — and the window is narrowing.

The 2027 End-of-Life Deadline Creates Immediate Urgency
SAP's 2027 end of mainstream maintenance for SAP ECC is now a hard deadline. Organizations still running legacy SAP R/3 or ECC must either complete their S/4HANA migration, negotiate extended maintenance contracts, or evaluate alternative ERP platforms. Each of these paths requires significant investment in consulting, infrastructure, data migration, training, and change management. Any vendor who can support this transition has a direct and urgent sales conversation.

Large, Complex IT Environments Mean Large IT Budgets
SAP R/3 organizations are not small businesses. They are enterprise and upper-mid-market companies with dedicated IT departments, complex system landscapes, and multi-year technology investment cycles. Budget approval processes are well-established. Decision-makers are identifiable. Sales cycles, while longer, result in high-value contracts.

Custom Code and Integration Complexity Create Specialist Demand
The average legacy SAP R/3 installation contains hundreds of custom ABAP programs, custom reports, and third-party integrations. Remediating this code for S/4HANA compatibility is consistently cited as the top migration blocker. Vendors offering custom code analysis tools, ABAP remediation services, and integration middleware are in high demand across this audience.

Multiple Buyer Roles Across Every Organization
An SAP R/3 migration touches finance, IT, supply chain, HR, and executive leadership simultaneously. This creates multiple entry points for B2B outreach — from CFOs evaluating business case and ROI, to IT Directors assessing technical feasibility, to SAP Basis consultants managing the technical architecture.

How Many Companies Still Use SAP R/3?

Exact figures for SAP R/3 specifically are difficult to isolate because SAP does not publish separate counts for R/3 versus ECC. However, analyst estimates and SAP's own migration progress reports provide a clear picture.

SAP has reported that as of 2024, fewer than 30% of SAP ECC customers have completed their S/4HANA migration. ELP Data's verified database tracks 89,000+ companies still running SAP R/3 or SAP ECC worldwide — representing the active, reachable installed base for outreach campaigns. The broader SAP ECC ecosystem (including companies that have partially migrated) covers an additional 280,000+ organizations globally.

ELP Data's SAP R/3 users list includes 178,000+ verified decision-maker contacts across these companies — CFOs, IT Directors, SAP Basis Administrators, and ERP Project Managers with verified direct email, phone, and LinkedIn profiles.

Geographically, the highest concentrations are in:

• Germany, Austria, and Switzerland (DACH region) — SAP's home market, with the deepest R/3 penetration among Mittelstand and enterprise companies
• United States — Large enterprise SAP deployments concentrated in manufacturing, energy, and financial services
• United Kingdom — Significant SAP R/3 presence in retail, utilities, and public sector
• India and Asia-Pacific — Growing base of SAP R/3 users across manufacturing and IT services firms

ELP Data's SAP ECC Users List covers the full legacy SAP installed base with verified company and contact records across all major geographies.

How to Reach SAP R/3 Decision-Makers

Reaching the right contacts within SAP R/3-using organizations requires precision. These are complex enterprises with multiple stakeholders involved in any technology decision. The most valuable job titles to target include:

• CIO / IT Director — Owns the overall technology strategy, S/4HANA roadmap, and migration budget
• SAP Program Manager / SAP Project Lead — Directly responsible for ERP migration planning and vendor selection
• CFO / Finance Director — Controls ERP investment decisions; key stakeholder for financial process transformation
• SAP Basis Administrator / SAP Technical Architect — Technical evaluator for infrastructure, cloud, and custom code decisions
• VP of Operations / Supply Chain Director — Business process owner for logistics, procurement, and production modules
• CTO / VP Technology — Involved in cloud platform decisions, infrastructure modernization, and system integration strategy

ELP Data's verified SAP R/3 users list includes direct work emails, phone numbers, LinkedIn profiles, job titles, company names, and firmographic data for decision-makers within SAP R/3 and SAP ECC-using organizations. All records are verified for accuracy and compliance — so your team spends time selling, not cleaning data.

We offer filtering by industry, geography, company size, and job function — enabling precise account-based marketing (ABM) campaigns or broad awareness outreach depending on your go-to-market strategy. Explore the full SAP Users List to see the breadth of SAP coverage available.