Supplier Information

LECO suppliers play a significant role in our ability to continue to serve the needs of our customers. Those interested in becoming a supplier may contact us directly.

Primary Address

LECO Corporation
3000 Lakeview Avenue
St. Joseph, MI 49085

Operating Hours

Main Office 8:00AM to 5:00PM EST Monday through Friday
Receiving Dock 6:00AM to 3:30PM EST Monday through Friday

Slavery and Human Trafficking Policy


New Supplier Setup Form ACH Payments Form Purchasing Terms & Conditions
IRS W-9 Form IRS W-8BEN Form Sample Purchase Order
Certificate of Insurance
Service Providers
Certificate of Insurance
Gift Policy

Holiday Closures

LECO Corporation is closed all weekends and on the following days:

2024 Closures
New Year  January 1, 2024
Good Friday March 29, 2024
Memorial Day May 27, 2024
Independence Day July 4-5, 2024
LECO Picnic July 10, 2024
Labor Day September 2, 2024
Thanksgiving November 28-29, 2024
Winter Holiday December 23-25, 2024
2025 Closures
New Year’s Day January 1, 2025


Corporate Headquarters/Administration Visitor Entrance
3001 Lakeview Avenue

Mailing Address:
3000 Lakeview Avenue
St. Joseph, MI 49085

Manufacturing Facility 1444 Hilltop Road
St. Joseph, MI 49085
RJW Customer Experience Center 1500 Hilltop Road
St. Joseph, MI 49085
Global Support Center
(Service; Consumables)
1400 Hilltop Road
St. Joseph, MI 49085
Technical Ceramics 1920 Yore Avenue
Benton Harbor, MI 49022
RF Products Division 2334 Stonebridge Circle
Unit B
West Bend, WI 53095
Tem-Pres Division 1150 Blanchard Street
Bellefonte, PA 16823
LECO Service/Applications Lab- Fort Myers 14950 Technology Court
Fort Myers, FL 33912
LECO Service/Applications Lab- Las Vegas 815 Pilot Road
Suite D
Las Vegas, NV 89119
Pier 33 Marina 250 Anchors Way
St. Joseph, MI 49085

LECO in the Community

LECO is proud to help organize the Fit 4 Fall 5K every year. Supporting local charities, this 5K Run/Walk occurs every October and takes place in our beautiful city of St. Joseph, Michigan. Those interested but unable to visit in person can register for virtual attendance.

For more information, visit the Fit 4 Fall 5K website.