Standard and Custom Resistance Welders

Heavy-Duty, Medium-Duty and Light-Duty Resistance Welders from Weld Systems Integrators.

Weld Systems Integrators (WSI) is a manufacturer and distributor of resistance welding equipment, machinery and accessories. Resistance welders available from WSI include rocker arm spot welders, press type welders, capacitor discharge welders, spot welding guns, bench welders, seam welders and door welders. Available power supplies include single-phase AC, 3-phase DC and MFDC, along with single-phase CD (capacitor discharge).

WSI resistance welders are available in standard and custom configurations. Our welders are MADE IN THE USA at our Warrensville Heights, OHIO location.

Made in USA | Weld Systems Integrators

Furthermore, Weld Systems Integrators is a stocking master distributor of TECNA industrial welders and tool balancers. We we stock, sell, repair and support our TECNA inventory at our Warrensville Heights, OHIO location. Visit our dedicated TECNA website at

Standard and custom resistance welders from Weld Systems Integrators.

WSI Rocker Arm Spot Welders
Rocker Arm Welders from Weld Systems Integrators, Inc. (WSI) are designed to provide a resistance welding production solution at an affordable price.

WSI Press Type Welders
For welding applications that do not require the heavy-duty features of a standard press welder but demand the same reliability at a lower cost, the EconoPress is your solution. The slim design allows for usage in tight places, utilizing significantly less shop floor space.

Capacitor Discharge Welders (sometimes referred to as Capacitive Discharge)
Struggling to find a solution to a difficult joining application? Capacitor Discharge Welders from Weld Systems Integrators is your solution.

Spot Welding Guns
Weld Systems Integrators (WSI) offers a wide range of spot welding guns, ranging from 15kVA to 137 kVA. We offer both scissors-type and c-type models, available in standard and custom configurations.

Benchtop Welders
Benchtop welders from Weld Systems Integrators are the perfect solution for resistance welding of smaller assemblies.

Seam Welders
Latitudinal, longitudinal and circumferential Seam welders from Weld Systems Integrators.

Door Welders
Weld Systems Integrators designs and manufacturers standard and special resistance welders for the economical production of steel doors and frames.

Used / Rebuilt Welding Equipment
WSI used welders and welding equipment repair and rebuild services often include technology upgrades to improve welder efficiency and productivity.

CONTACT Weld Systems Integrators for more information on the WSI Series and TECNA resistance welders from Weld Systems Integrators. For immediate assistance, please give us a call at 844-WSI-WELD.