About Grainger

Grainger is North America’s leading distributor of maintenance, repair, and operating products and services.

Our company’s purpose, We Keep The World Working®, has never been more important. Whether helping hospitals safely treat patients, keeping schools functioning, or enabling manufacturers to drive sustainable operations, Grainger’s 26,000 team members play a critical role in helping businesses keep their operations running and their people safe.

Program Overview

Our paid, 10-week internships launch your career through meaningful individual and team projects with real business impact. From Finance to Sales, Supply Chain, Technology and more, we welcome interns of all experience levels to join us as We Keep The World Working®.

Roles are based at our Lake Forest, Illinois, headquarters, downtown Chicago office, or in San Antonio, Texas. Click on a business unit to learn more about the opportunities available, hear from team members on their Grainger intern experiences, or apply now!

Program Overview

Our paid, 10-week internships launch your career through meaningful individual and team projects with real business impact. From Finance to Sales, Supply Chain, Technology and more, we welcome interns of all experience levels to join us as We Keep The World Working®.

Roles are based at our Lake Forest, Illinois, headquarters, downtown Chicago office, or in San Antonio, Texas. Click on a business unit to learn more about the opportunities available, hear from team members on their Grainger intern experiences, or apply now!


Customer Information interns partner with business leaders and technology teams to research and maintain customer information. These insights enable Grainger to best serve our customers by understanding the maintenance, repair and operations market.

Marketing interns partner with team members on project-based work within a single team, including digital channels, offline channels, operations, creative, analytics and more. By addressing real business challenges, interns gain experience, exposure and professional development to help launch their careers.

Interns have opportunities to network with Vice Presidents and other senior leaders before presenting their work to peers and leaders at the end of the program.

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Interns work alongside professionals aligned to various areas of the business, providing deep exposure to a specific department or project to grow their skills in corporate finance. Opportunities exist across Auditing, Controllership, Corporate Analytics, Continuous Improvement, Financial Planning, Sales Finance, Shared Services, Supply Chain Finance, IT Finance and Treasury.

In addition, interns have the unique opportunity to meet and interact with Vice Presidents and other senior leaders.

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Interns lead a project focused on creating an effortless customer experience by improving how we add, organize and present products to customers. Areas of focus include optimizing supplier performance and introducing new items to our product assortment.

At the end of the program, interns present their recommendations and see how their work results in increased business performance. In addition to project work, interns have opportunities to learn the business, grow professionally and network with Vice Presidents and other senior leaders.

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Interns partner with team members to follow the Grainger sales process and influence sales across mid-sized customers while driving profitable revenue growth. In addition to strengthening their sales skillsets, interns have opportunities to network with Vice Presidents, senior leaders and team members as they complete their projects.

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Interns lead a project throughout the summer, such as managing transportation, inventory coordination or even optimizing supplier performance.

At the end of the program, interns present their recommendations and see how their work results in increased business performance. In addition to project work, interns have opportunities to learn the business, grow professionally and network with Vice Presidents and other senior leaders.

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Interns work alongside team members in our downtown Chicago office to build next-generation technology that connects millions of essential businesses to the products they need.

Each intern works collaboratively to build a solution to a business problem and presents their work to team members and senior leadership. Areas of focus include machine learning, search, website, infrastructure, customer information management and information security.

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Visit our Open Jobs page to see all of our internship opportunities.

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Our Benefits

Eligible interns enjoy company-sponsored summer housing as well as C-suite learning sessions and networking events, our professional development series and the opportunity for full-time offers at the end of the summer. Click the link above to learn more about our comprehensive benefits for full-time team members!

Internship Applications

On top of school and work, applying for jobs can be stressful. Click the link above for tips and FAQs that will help make your application quick and easy.

Serving Our Communities

Over the past year, we’ve continued to advance our efforts to support our customers and team members, strengthen our communities and protect the environment. In 2025, Grainger contributed more than $67 million globally in cash and product donations to nonprofit organizations, while U.S. team members logged approximately 18,000 volunteer hours.

Intern Testimonials

Use the arrows below to read about former interns' experiences with Grainger.

Intern Stories

Use the arrows below to read about former interns' experiences with Grainger.

  • Alex

    2026 Supply Chain Summer Intern

    “Before joining Grainger, the conversations I had consistently emphasized the collaborative work environment and a commitment to developing early-career talent. After spending the summer here, I can confidently say the internship exceeded my expectations. I had the opportunity to work on a project with real business impact, learn from leaders across the organization, and explore parts of the business beyond my day-to-day role. What stood out most was how willing everyone was to share knowledge and support my growth. The relationships I built with business professionals and fellow interns made the experience especially rewarding and reinforced what makes Grainger's internship program unique.”

  • Cavaughn

    2026 Finance Summer Intern

    “I’m incredibly grateful for the opportunity to work at Grainger this summer. Everyone has been so welcoming, approachable, and eager to help, which I really appreciated as someone relocating from out of state. During my internship, I had the opportunity to connect with leaders across the organization, develop new skills using data and analytics tools, and gain valuable insight into Grainger’s financial operations. What makes Grainger special is its people and culture, and I’m grateful for the growth and experiences I’ve gained this summer!”

  • Noah

    2026 Sales Summer Intern

    “From the first moment I walked into Grainger, I could feel the energy of support, teamwork, and growth. Being a sales intern for Grainger has been nothing short of amazing! Through the summer I have had opportunities to collaborate with other departments, which has helped me gain amazing insight into the sales process. From the moment an order is placed, to packaging, and finally in the hands of the customer, I now know the importance of efficiency and quality customer service. With amazing support from our sales team, I gained the tools to properly leverage our products, learned how to make the sales process seamless for customers, and how to support my team to win as one!”

  • Mia

    2026 Software Engineer Summer Intern

    "As an intern, I’ve had the opportunity to contribute to real-world projects that help drive Grainger’s business forward. The supportive, growth-oriented environment has enabled me to ask questions and develop my technical skills. I’ve also broadened my professional experience by collaborating across teams and shadowing different technology functions.

    My favorite part of interning has been the extensive mentorship system, where I’m able to learn through hands-on experience. I’m grateful to be part of an organization that’s so committed to developing early career professionals!"