Term · Topic

Supplier Diversification Index (SDI)

Q: What is Supplier Diversification Index?

Supplier Diversification Index (SDI) is a quantitative metric that measures the distribution and concentration of an organization’s spend or volume across its suppliers, often using a concentration or entropy-based formula to assess supply chain resilience and dependency risk. Expanded Explanation 1. Technical Function and Core Characteristics The SDI quantifies how evenly procurement activities distribute across a set of suppliers. It typically relies on concentration measures such as the

Q: How widely is Supplier Diversification Index used?

11 organizations in our directory are tagged Supplier Diversification Index.

Supplier Diversification Index is a quantitative measure of how distributed an organization’s purchasing is across its suppliers, used to evaluate supplier concentration risk, support supply chain resilience assessments, and inform procurement, multi-sourcing, and continuity planning decisions in enterprise environments.

What this term record gives an agent

Vendors describe the same technology in different words. This record pins down what "SDI" means and ties it to the companies and coverage that use it, so an agent compares like with like.

One definition

A plain definition plus how it's used, what it's often confused with and why it matters.

Neighbouring terms

Related terms in the same glossary, so an agent can widen or narrow a search the way the market does.

Get this term

The same record, three ways in. No key needed to try it.

MCP

curl -X POST https://mcp.decisioninsights.ai/api/mcp-public \
  -H "content-type: application/json" \
  -H "accept: application/json, text/event-stream" \
  -d '{"id":1,"jsonrpc":"2.0","method":"tools/call","params":{"arguments":{"slug":"supplier-diversification-index-sdi"},"name":"di_get_term"}}'

REST

GET https://api.decisioninsights.ai/api/public/v1/glossary/22f2090f-5fe7-4ca2-83c5-cbca11af9697

CLI

di get-glossary --slug supplier-diversification-index-sdi

The CLI command and the REST call for this record need a free account: run di login, or send your OAuth token. Over MCP it is free with none.

Connect your agent (MCP) REST API and CLI docs

How an agent can rely on this definition

What the record lets an agent check before it uses the term in an answer.

The check	What the record shows	Where it is in the data
It's a known term	One entry, with its abbreviation and type (topic)	`name, alternateName`
It sits in a glossary	Linked to Service Health Index, Data Fidelity Index, System Health Index	`inDefinedTermSet`

View the raw record (JSON-LD)

[
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/#website",
    "@type": "WebSite",
    "name": "Decision Insights",
    "potentialAction": {
      "@type": "SearchAction",
      "target": {
        "@type": "EntryPoint",
        "urlTemplate": "https://decisioninsights.ai/search/?q={search_term_string}&submit=1"
      }
    },
    "publisher": {
      "@id": "https://decisioninsights.ai/#organization"
    },
    "url": "https://decisioninsights.ai"
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/#organization",
    "@type": "Organization",
    "contactPoint": {
      "@type": "ContactPoint",
      "contactType": "customer support",
      "email": "[email protected]"
    },
    "description": "Decision Insights is a Registry of technology companies, open source projects, and industry terms, built for people and for AI agents that need sourced, structured information.",
    "legalName": "Wiretap Labs, LLC",
    "logo": {
      "@type": "ImageObject",
      "url": "https://wiretap-cdn-assets.nyc3.cdn.digitaloceanspaces.com/decision-insights/[email protected]"
    },
    "name": "Decision Insights",
    "parentOrganization": {
      "@type": "Organization",
      "name": "Wiretap Labs",
      "sameAs": [
        "https://www.linkedin.com/company/wiretap-labs",
        "https://www.crunchbase.com/organization/wiretap-labs"
      ],
      "url": "https://wiretaplabs.com"
    },
    "publishingPrinciples": "https://decisioninsights.ai/standards/",
    "sameAs": [
      "https://www.linkedin.com/company/decisioninsights"
    ],
    "url": "https://decisioninsights.ai"
  },
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai",
        "name": "Decision Insights",
        "position": 1
      },
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai/term/",
        "name": "Glossary",
        "position": 2
      },
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai/term/supplier-diversification-index-sdi/",
        "name": "Supplier Diversification Index",
        "position": 3
      }
    ]
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/term/supplier-diversification-index-sdi/#definedterm",
    "@type": "DefinedTerm",
    "additionalProperty": [
      {
        "@type": "PropertyValue",
        "name": "Organizations tagged",
        "value": 11
      },
      {
        "@type": "PropertyValue",
        "name": "Organizations",
        "propertyID": "https://decisioninsights.ai/ns#taggedOrganizations",
        "value": [
          {
            "@id": "https://decisioninsights.ai/registry/camplex-fiber/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/camplex-fiber/",
            "name": "Camplex Fiber"
          },
          {
            "@id": "https://decisioninsights.ai/registry/eurovision-services/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/eurovision-services/",
            "name": "Eurovision Services"
          },
          {
            "@id": "https://decisioninsights.ai/registry/led-lite-vision/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/led-lite-vision/",
            "name": "Led Lite Vision"
          },
          {
            "@id": "https://decisioninsights.ai/registry/prolink/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/prolink/",
            "name": "Prolink"
          },
          {
            "@id": "https://decisioninsights.ai/registry/red-tv-srl/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/red-tv-srl/",
            "name": "Red TV SRL"
          },
          {
            "@id": "https://decisioninsights.ai/registry/samsung-sdi/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/samsung-sdi/",
            "name": "Samsung SDI"
          },
          {
            "@id": "https://decisioninsights.ai/registry/semtech/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/semtech/",
            "name": "Semtech"
          },
          {
            "@id": "https://decisioninsights.ai/registry/sth-europe-b-v/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/sth-europe-b-v/",
            "name": "STH Europe b.v."
          },
          {
            "@id": "https://decisioninsights.ai/registry/sto-domingo-ingenieros-dominicana-sdi-dominicana/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/sto-domingo-ingenieros-dominicana-sdi-dominicana/",
            "name": "Sto. Domingo Ingenieros Dominicana (SDI Dominicana)"
          },
          {
            "@id": "https://decisioninsights.ai/registry/the-switch-enterprises-llc/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/the-switch-enterprises-llc/",
            "name": "The Switch Enterprises LLC"
          },
          {
            "@id": "https://decisioninsights.ai/registry/vislink/#organization",
            "@type": "Organization",
            "mainEntityOfPage": "https://decisioninsights.ai/registry/vislink/",
            "name": "Vislink Technologies Inc"
          }
        ]
      },
      {
        "@type": "PropertyValue",
        "name": "Related terms",
        "valueReference": [
          {
            "@id": "https://decisioninsights.ai/term/service-health-index/#definedterm",
            "@type": "DefinedTerm",
            "mainEntityOfPage": "https://decisioninsights.ai/term/service-health-index/",
            "name": "Service Health Index"
          },
          {
            "@id": "https://decisioninsights.ai/term/data-fidelity-index-dfi/#definedterm",
            "@type": "DefinedTerm",
            "mainEntityOfPage": "https://decisioninsights.ai/term/data-fidelity-index-dfi/",
            "name": "Data Fidelity Index"
          },
          {
            "@id": "https://decisioninsights.ai/term/system-health-index/#definedterm",
            "@type": "DefinedTerm",
            "mainEntityOfPage": "https://decisioninsights.ai/term/system-health-index/",
            "name": "System Health Index"
          }
        ]
      }
    ],
    "description": "Supplier Diversification Index is a quantitative measure of how distributed an organization’s purchasing is across its suppliers, used to evaluate supplier concentration risk, support supply chain resilience assessments, and inform procurement, multi-sourcing, and continuity planning decisions in enterprise environments.",
    "inDefinedTermSet": {
      "@id": "https://decisioninsights.ai/term/#termset",
      "@type": "DefinedTermSet",
      "url": "https://decisioninsights.ai/term/"
    },
    "name": "Supplier Diversification Index",
    "termCode": "SDI",
    "url": "https://decisioninsights.ai/term/supplier-diversification-index-sdi/"
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/term/supplier-diversification-index-sdi/",
    "@type": "CollectionPage",
    "dateModified": "2026-08-24T03:44:50Z",
    "description": "Supplier Diversification Index is a quantitative measure of how distributed an organization’s purchasing is across its suppliers, used to evaluate supplier concentration risk, support supply chain resilience assessments, and inform procurement, multi-sourcing, and continuity planning decisions in enterprise environments.",
    "isPartOf": {
      "@id": "https://decisioninsights.ai/#website"
    },
    "mainEntity": {
      "@id": "https://decisioninsights.ai/term/supplier-diversification-index-sdi/#definedterm"
    },
    "name": "Supplier Diversification Index",
    "sdDatePublished": "2026-08-24",
    "sdPublisher": {
      "@id": "https://decisioninsights.ai/#organization"
    },
    "url": "https://decisioninsights.ai/term/supplier-diversification-index-sdi/"
  },
  {
    "@context": "https://schema.org",
    "@type": "FAQPage",
    "mainEntity": [
      {
        "@type": "Question",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "Supplier Diversification Index (SDI) is a quantitative metric that measures the distribution and concentration of an organization’s spend or volume across its suppliers, often using a concentration or entropy-based formula to assess supply chain resilience and dependency risk.\nExpanded Explanation\n1. Technical Function and Core Characteristics\nThe SDI quantifies how evenly procurement activities distribute across a set of suppliers. It typically relies on concentration measures such as the"
        },
        "name": "What is Supplier Diversification Index?"
      },
      {
        "@type": "Question",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "11 organizations in our directory are tagged Supplier Diversification Index."
        },
        "name": "How widely is Supplier Diversification Index used?"
      }
    ]
  }
]