Weld Systems Integrators (WSI)

Resistance Welding. Solved.

Standard and Custom Resistance Welding Machinery and Equipment

Weld Systems Integrators (WSI) is a manufacturer of rugged, innovative, high-quality resistance welding machines and equipment, and integrator of robotic resistance and MIG welding cells. This includes standard and custom rocker arm spot welders, press-type spot welders, capacitor discharge welders, bench welders, seam welders, door welders, XY welders, turntable welders, and multi-gun welders. Furthermore, power supplies include single-phase AC and CD, and three-phase DC and MFDC.

In addition to manufacturing new resistance welders and welding systems, WSI now offers an IN-STOCK inventory NEW and USED welders, equipment, and accessories. All professionally stripped, inspected, repaired, and tested under load by an experienced technician.

WSI stocks a large, diverse inventory of resistance welding consumables, spare parts, and accessories. This includes electrodes, portable spot welding guns, controls, chillers, transformers, and more. And we support our equipment with excellent customer service, training, welding lab testing, and contract engineering.

WSI is a stocking master distributor of TECNA Industrial Resistance Welders and Tool Balancers. TECNADirect.com (a division of WSI), stocks, sells, repairs, and supports TECNA pedestal welders, portable welding guns, bench welders, tool balancers, and accessories.

Factory direct from our Warrensville Heights, OHIO location, or through our distributor network, Weld Systems Integrators offers exceptional welding machinery equipment with global shipping and quick delivery.

IN-STOCK inventory of both NEW and USED resistance welding machinery and equipment FOR SALE. WSI SELECT features on-pallet inventory, available NOW at our Warrensville Heights, OH location. Purchase welding equipment and machinery today, and ship tomorrow.


Weld Systems Integrators Inc. (WSI) employees successfully complete Heartsaver® First Aid CPR AED training and education from the American Heart Association (AHA).


Weld Systems Integrators (WSI) has installed and commissioned a new Haas TM-2P vertical toolroom mill at our Warrensville Heights, Ohio location. The new Haas mill continues our investment in WSI operations and further enhances our machining and production capabilities.


Weld Systems Integrators NEW ValuePress Resistance Welders are manufactured to the highest standards for a lifetime of performance and reliability. Best of all, ValuePress welders can be configured for many different welding applications without sacrificing features found on larger welders.


Introducing the NEW Weld Systems Integrators Fast Rise Time MFDC Welder. The new FRT-MFDC machine is ideal for welding applications requiring short weld times and high welding current.


Weld Systems Integrators Resistance Welding Equipment, Machinery and Services

Purchase TECNA Welders and Tool Balancers!

TECNADirect.com is a stocking master distributor of TECNA Pedestal Welders, Portable Spot Welding Guns, Bench Welders and Accessories. Along with BALANCERSDirect.com, our dedicated Tool Balancer website, we maintain an IN-STOCK inventory of TECNA equipment at our Warrensville Heights, OH location.