List of LangChain Customers
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United States
Since 2010, our global team of researchers has been studying LangChain customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased LangChain for AI Frameworks and Libraries from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using LangChain for AI Frameworks and Libraries include: ServiceNow, a United States based Professional Services organisation with 26293 employees and revenues of $10.98 billion, AeroVironment, a United States based Aerospace and Defense organisation with 3750 employees and revenues of $820.0 million, Hillstone Networks, a United States based Professional Services organisation with 2000 employees and revenues of $290.0 million, CommandBar, a United States based Professional Services organisation with 40 employees and revenues of $5.0 million, Athena Intelligence, a United States based Professional Services organisation with 30 employees and revenues of $5.0 million and many others.
Contact us if you need a completed and verified list of companies using LangChain, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The LangChain customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight | Insight Source |
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AeroVironment | Aerospace and Defense | 3750 | $820M | United States | LangChain | LangChain | AI Frameworks and Libraries | 2020 | n/a | In 2020 AeroVironment implemented LangChain as an AI Frameworks and Libraries component to operationalize generative AI workflows within its engineering stack. LangChain was adopted to provide developer-level orchestration for prompt engineering, chain composition, and retrieval-augmented generation across autonomy and R&D software efforts. The LangChain deployment focused on core framework capabilities common to the AI Frameworks and Libraries category, including chain orchestration, prompt templates and management, agent patterns, and document retrieval pipelines. Implementations emphasized integration points with model endpoints and vector store style retrieval layers, enabling combined language model and data retrieval workflows for prototype and production code paths. Operational scope centered on AeroVironment engineering and autonomy software teams in the United States, where LangChain artifacts were embedded into CI pipelines and developer environments. Governance for LangChain usage emphasized version control of chain and prompt artifacts, access controls for model and data connectors, and code review practices to manage reuse and consistency across projects. | |
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Athena Intelligence | Professional Services | 30 | $5M | United States | LangChain | LangChain | AI Frameworks and Libraries | 2024 | n/a | In 2024, Athena Intelligence implemented LangChain as the core AI framework for its Olympus research and report generation platform. The deployment used LangChain in the AI Frameworks and Libraries category to support enterprise analytics and research synthesis for finance and market research across the United States. LangChain provided retriever, document, and tool abstractions to structure ingestion, retrieval augmented generation workflows, and orchestration of model calls within Olympus. LangGraph and LangSmith were used alongside LangChain, and LangSmith enabled rapid iteration and production observability, resulting in faster development cycles and improved citation and grounding in generated reports. The implementation targeted research and analytics business functions, centralizing report generation and synthesis workflows for finance and market research teams. Governance and operational practices were updated to embed observability driven iteration and monitoring of provenance, supporting ongoing tuning of retrieval and grounding behaviors. | |
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CommandBar | Professional Services | 40 | $5M | United States | LangChain | LangChain | AI Frameworks and Libraries | 2023 | n/a | In 2023, CommandBar implemented LangChain, an AI Frameworks and Libraries solution, to instrument and monitor its Copilot in-product assistant for user support and in-app help. The deployment leveraged LangSmith, part of the LangChain stack, to centralize conversational observability and has been live in the US region since November 2023. The implementation focused on LangSmith monitoring and debugging capabilities to capture conversation traces, structured logs of user and assistant exchanges, and error diagnostics. Functional capabilities implemented included observability across conversation flows, session-level trace capture for prompt and model behavior, and tooling to accelerate testing and debugging cycles. Operational coverage oriented around product engineering and customer support workflows, with the LangChain deployment directly instrumenting the Copilot assistant used in in-app help. The US-region production instance provided centralized visibility into support-facing conversations and QA test runs. Governance emphasized instrumented observability and a process for triage, with product and support teams consuming LangSmith outputs to prioritize fixes and iterate on prompts. CommandBar reported outcomes including a 44% decrease in support tickets and faster testing and debugging cycles. | |
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Professional Services | 2000 | $290M | United States | LangChain | LangChain | AI Frameworks and Libraries | 2024 | n/a |
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Professional Services | 26293 | $11.0B | United States | LangChain | LangChain | AI Frameworks and Libraries | 2025 | n/a |
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Buyer Intent: Companies Evaluating LangChain
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