McMaster-Carr
McMaster-Carr's Overview
McMaster-Carr Supply Company is a private, family-owned American supplier of hardware, tools, raw materials, industrial materials, and maintenance, repair, and operations (MRO) equipment. Renowned for its extraordinarily comprehensive catalog (often referred to as the 'Big Yellow Book'), rapid and reliable delivery, and excellent customer service, McMaster-Carr serves a vast range of industries, including manufacturing, R&D, construction, and education. They are known for their efficiency, extensive inventory (over 700,000 products), and user-friendly website that allows customers to quickly find and order parts. The company emphasizes getting customers what they need, when they need it, often with next-day or even same-day delivery in many regions.
Where is McMaster-Carr's Headquarters?
HQ Function
Serves as the central hub for corporate management, strategic planning, administrative operations, IT, customer service leadership, and coordination of its North American distribution network.
Notable Features:
The Elmhurst facility is a large, modern complex designed for operational efficiency, incorporating extensive office space. While specific architectural details are not widely publicized, it's understood to support the company's complex logistical and customer service operations.
Work Culture:
Characterized by a strong emphasis on efficiency, precision, problem-solving, continuous improvement, and exceptional customer service. Employees are often long-tenured, reflecting a culture of stability, deep product knowledge, and a commitment to high standards. The environment is often described as fast-paced and detail-oriented.
HQ Significance:
The Elmhurst headquarters is crucial for maintaining McMaster-Carr's renowned operational excellence, managing its vast and diverse inventory, developing its industry-leading e-commerce platform, and ensuring rapid fulfillment across its network. It is the nerve center for the company's innovation in logistics and customer service.
Values Reflected in HQ: The headquarters likely embodies values such as operational excellence, efficiency, comprehensive solutions, technological advancement (especially in information systems and e-commerce), and a steadfast commitment to providing reliable and rapid service to its customers.
Location:
McMaster-Carr primarily serves customers within the United States, with significant operations also catering to Canada and Mexico. While its physical distribution centers are located in the U.S., the company has robust capabilities for international shipping to many other countries worldwide. Their global support focuses on providing international businesses, research institutions, and other organizations with access to their comprehensive catalog of industrial and MRO products. This includes managing export documentation and logistics to facilitate efficient delivery to global customers from their U.S.-based facilities.
Street Address:
600 N County Line Rd
City:
Elmhurst
State/Province:
IL
Country:
USA
McMaster-Carr's Global Presence
Robbinsville, NJ, USA
Address: One McMaster-Carr Dr, Robbinsville, NJ 08691
To provide next-day delivery and comprehensive inventory access to industrial, commercial, and institutional customers in the Northeast and Mid-Atlantic regions.
Santa Fe Springs, CA, USA
Address: 9630 Norwalk Blvd, Santa Fe Springs, CA 90670
Ensures efficient supply chain operations and quick access to products for customers throughout the Western U.S., including California's large manufacturing and tech sectors.
Mableton, GA, USA
Address: 6700 Discovery Boulevard, Mableton, GA 30126
To cater to the diverse industrial base of the Southeast, providing swift access to MRO supplies and components.
Aurora, OH, USA
Address: 100 Aurora Industrial Pkwy, Aurora, OH 44202
To serve the industrial heartland of America, ensuring prompt delivery of a wide range of products to manufacturing and other business customers in the Ohio Valley and surrounding areas.
Buying Intent Signals for McMaster-Carr
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Executive Team of McMaster-Carr
As of April 2025, McMaster-Carr' leadership includes:
Investors of McMaster-Carr
McMaster-Carr has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
As a privately held company, McMaster-Carr does not typically publicize changes in its executive team or internal leadership structure. No specific executive movements have been publicly reported in the last 12 months.
Technology (Tech Stack) used by McMaster-Carr
Discover the tools McMaster-Carr uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
McMaster-Carr Email Formats and Examples
McMaster-Carr's specific internal email format is not publicly disclosed. For customer inquiries, the company encourages use of its official website contact forms and customer service phone numbers for the most effective communication. Like many corporations, common email patterns could exist, but direct unsolicited emails may not be the preferred channel.
Common corporate patterns might include [first_initial][last]@mcmaster.com (e.g., jsmith@mcmaster.com) or [first].[last]@mcmaster.com (e.g., john.smith@mcmaster.com).
Format
example@mcmaster.com
Example
60%
Success rate
News and media
Industry Analysis & Company Reputation • October 26, 2023
McMaster-Carr Maintains Focus on Vast Inventory and Expedited Delivery in Dynamic Industrial Market
McMaster-Carr continues to be recognized for its unwavering commitment to providing an extensive range of MRO products and industrial supplies, coupled with its industry-leading rapid fulfillment services. Amidst evolving supply chain landscapes and industrial demands, the company's operational model, emphasizing comprehensive stock and efficient logistics, remains a critical asset for its diverse customer base, from small workshops to large manufacturing enterprises. Their investment in user-friendly digital platforms further enhances accessibility and customer experience....more
Various Engineering & Maker Communities (Aggregated Sentiment) • June 15, 2023
McMaster-Carr Praised for Consistent Customer Service and Parts Availability
Engineers, procurement professionals, and makers frequently commend McMaster-Carr for its reliable customer service and the unparalleled breadth and depth of its product catalog. In online communities and industry discussions, the company is often cited as a go-to source for hard-to-find components and for its efficient ordering and shipping processes, which minimize downtime and project delays for its users....more
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