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Supplier

Overview​

Metrics and Reporting System (MARS)

MARS, Source, integrate, curate and present consistent data and services related to Purchasing, Supply Chain, and Logistics performance, as well as supply network and supplier management.

Key Benefits​

Analytical services supported by MARS for supplier performance, materials planning, logistics, financial reporting, and data integration. Here's a structured summary of these services:

  • Supplier & Material Performance Management

    • Supplier Performance Management: Tracks supplier efficiency, compliance, and engagement.
    • Sourceability Reports: Evaluates sourcing options and material availability.
    • Material Performance Reporting: Monitors material quality and efficiency.
    • Contract Savings Analysis: Identifies cost-saving opportunities in supplier contracts.
    • USMCA Forecasting: Ensures compliance with trade agreements and optimizes sourcing strategies.
    • Parts Tracking: Maintains visibility into part quality and supply chain efficiency.

  • Materials Planning & Supply Execution

    • Contracts & Schedules: Manages supplier agreements and delivery timelines.
    • BOM (Bill of Materials) Management: Ensures accurate material requirements for production.
    • Multi-Tier Logistics Details: Tracks supply chain dependencies across multiple tiers.
    • Plant Inventory Management: Optimizes stock levels using min/max thresholds.
    • Supply Execution: Enhances real-time visibility into material flow and availability.

  • Integrated Vehicle Order & Throughput Management

    • Vehicle Order Data Integration: Improves reporting accuracy and throughput tracking.
    • Information Flow Optimization: Enhances data accessibility across systems.
    • Modernization from Mainframe to BI Systems: Transitions legacy systems to advanced analytics platforms.

  • Financial & Operational Reporting

    • Financial Cost Reporting: Tracks expenses related to materials, logistics, and supplier contracts.
    • Contract Execution Monitoring: Ensures compliance and performance tracking.
    • Operational Reporting: Provides insights at both plant and corporate levels.
    • Warehouse Resiliency & Material Availability Planning: Supports inventory stability and proactive supply chain management.

  • Logistics Optimization & Visibility

    • Finished Vehicle Logistics Reporting: Tracks outbound vehicle shipments and delivery performance.
    • Inbound Logistics Optimization: Enhances efficiency in material transportation.
    • Container Program Operations: Improves container utilization and tracking.
    • Comprehensive Visibility & Data Integration: Ensures seamless data flow across logistics networks.
    • Self-Service Reporting: Empowers users with customizable analytics tools.

  • Supplier Data Transmission & EDI Integration

    • Continuous ASN (Advanced Shipping Notice) Data Transmission: Ensures real-time shipment tracking.
    • Bi-Weekly Supplier Data Feeds: Supports EDI certification and supplier onboarding.
    • New Supplier Integration: Streamlines data exchange for new partnerships.

Getting Access​

All requests to access GM data must be reviewed and approved by GM’s privacy team via the Privacy Impact Assessment (PIA) tool. GM’s PIA tool helps to identify, assess, and mitigate privacy risks associated with a particular product or service—especially when it collects, uses, stores, or shares personal data. If a PIA has not been approved for your use case, you can submit one using the link: epia.gm.com.

How to Get Access to Supplier Data

  • Access Data: Instructions
  • Access Levels: Read & Write, Read Only, Connect Only and Performance Analyst

Explore the Data Catalog​

Browse available Supplier datasets and schemas:

  • None
  • Logistics Operations and Analytics Database includes finished vehicle supplementary network and analytics data used for critical business reporting of forecasted budgets, future capacity planning and "what if" analysis for short-term diversion planning.
  • Material Operational Decision Support (MODS) reports and dashboards provide plant operations, material logistics suppliers and purchasing with hourly, daily or weekly part requirements based on DUNS, MGO historical schedule information and part quantities on-hand, in-transit and planned vs expected. This data is of particular need for the stakeholders during launch planning.

Who's Using this Data?​

Internal Communities​

  • Internal Communities or Forums: Slack

Frequent consumers of this data​

  • Plant Operations
  • Inbound Logistics Suppliers
  • Supplier Claim Activity
  • Future of Supply Chain
  • Global Purchasing
  • Finished Vehicle Logistics (FVL) Operations and Purchasing
  • GM Finance (Logistics)
  • GM Manufacturing and Quality
  • Governmental Entities (e.g. EPA)
  • Non-Governmental Entities (e.g. GM Financial, Industry Organizations, Suppliers)

Reports and Dashboards​

Training & Learning Resources​

API Documentation and Tutorials​

Status: COMING SOON

Will include:

  • Getting started guides
  • Code samples and examples
  • Best practices documentation
  • Integration tutorials

Need Help? Connect with us​

Support Channels​

  • Primary Channel for Data: #help-data
  • Service Now: Request
  • Data-Related Questions and Support: Team Email, GPSC Insights & Operational Reporting (IOR)

Have an update? Send us your feedback via Slack at: #feedback-data-gm-com​

Last updated: July 31, 2025 Document version: 1.0