McMaster-Carr Supply Company is a private American business-to-business supplier specializing in hardware, tools, raw materials, industrial materials, and maintenance equipment. Founded in 1901 and headquartered in Elmhurst, Illinois, the company operates a multi-state distribution network serving industrial customers nationwide. With existing distribution centers in New Jersey, California, Georgia, and Ohio, McMaster-Carr is expanding capacity with a new distribution center and regional headquarters under construction in Fort Worth, Texas, expected to open in 2027. Signal Plug searches live against mcmastercarr.com's mail server to find and verify email addresses for any McMaster-Carr Supply Company employee.
Signal Plug searches live against mcmastercarr.com's mail server — not a static database. Get a verified email for any McMaster-Carr Supply Company employee with confidence score in under 2 seconds.
94% accuracy · No credit card required · 10 free searches/month
McMaster-Carr Supply Company is a private American business-to-business supplier specializing in hardware, tools, raw materials, industrial materials, and maintenance equipment. Founded in 1901 and headquartered in Elmhurst, Illinois, the company operates a multi-state distribution network serving industrial customers nationwide. With existing distribution centers in New Jersey, California, Georgia, and Ohio, McMaster-Carr is expanding capacity with a new distribution center and regional headquarters under construction in Fort Worth, Texas, expected to open in 2027.
Competitive Advantage
McMaster-Carr has maintained continuous operation since 1901, making it over 120 years old; The company operates a strategically distributed network across four major U.S. regions with expansion into Texas; McMaster-Carr remains privately held, allowing for long-term strategic planning independent of public market pressures; The company's customer base appears to be exclusively business-to-business focused rather than retail or consumer-oriented.
The most commonly verified format at McMaster-Carr Supply Company:
Medium ConfidenceSignal Plug tests all common patterns against McMaster-Carr Supply Company's live mail server and returns whichever passes the SMTP check.
Run a live search for McMaster-Carr Supply Company →Data-driven signals to help you prospect McMaster-Carr Supply Company effectively.
McMaster-Carr sells to manufacturing, maintenance, and industrial facilities across North America. The company targets procurement managers and operations directors at mid-to-large enterprises requiring reliable supply chains for industrial parts and equipment.
Primary Contact
Procurement Manager
Tuesday–Thursday, 9am–11am
Signal Plug performs live SMTP verification against mcmastercarr.com's mail server — not a static scraped database — which means results reflect the real, current state of McMaster-Carr Supply Company's email infrastructure. Here's how to run a lookup:
Create a free account
Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real McMaster-Carr Supply Company contacts before upgrading.
Enter the contact's name
Type the first and last name of the McMaster-Carr Supply Company employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain
Use mcmastercarr.com. Signal Plug tests all common naming patterns automatically and returns only the format that passes the SMTP check.
Get a verified result
Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use
One-click CSV export lets you bring McMaster-Carr Supply Company contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of McMaster-Carr Supply Company names in a single batch.
Whether you're running outbound sales, recruiting, or building a partnership list, these are the roles most frequently contacted at Industrial Distribution like McMaster-Carr Supply Company.
Based on McMaster-Carr Supply Company's profile, the highest-value contacts for outbound are:
Signal Plug works for any role at any seniority level at mcmastercarr.com. If you have a name and the domain, you can find a verified email.
How well McMaster-Carr Supply Company fits a typical B2B outbound pipeline, based on available signals.
Moderate Fit
Funnel Fit Score
Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against mcmastercarr.com's mail server using SMTP verification. This means results reflect the current state of McMaster-Carr Supply Company's email system — not a cached result from months or years ago.
Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which McMaster-Carr Supply Company contacts to email first and personalize your outreach before you hit send. Plans start at $29/month for 500 searches — no annual contracts or seat fees.
Signal Plug performs a live SMTP check against mcmastercarr.com's mail server for every query — not a static database lookup. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.
Free plan: 10 searches. Starter ($29/mo): 500. Growth ($149/mo): 2,000. Scale ($299/mo): 5,000. No company-specific caps.
No. Signal Plug generates and verifies emails in real time via SMTP checks — no static database of McMaster-Carr Supply Company employee emails is maintained.
Yes. Growth and Scale plan users can upload a CSV of names and run bulk lookups against mcmastercarr.com in a single batch.
McMaster-Carr was founded in 1901.
The company is headquartered in Elmhurst, Illinois.
McMaster-Carr is a private, business-to-business supplier.
Hardware, tools, raw materials, industrial materials, and maintenance equipment.
Signal Plug searches in real time against mcmastercarr.com's mail server to find and verify email addresses for McMaster-Carr Supply Company employees. Enter a name, enter the domain, get a verified result with a confidence score in under 2 seconds.
Start finding emails free →10 free searches · No credit card required · Upgrade from $29/month