Our Services

Sell Yours

Sell us your spare inventory! Let us know what parts you have, and we will make you an offer.

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Buy Ours

We offer one of the largest inventories of industrial automation and MRO parts, so you can easily find what you need.

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Source Parts

Should you require a part we don't have in stock, we’ll tap into our global supplier network to source it for you.

Source It For Me

2,304,655 parts to 65,046 customers in 167 countries

SIGMA Surplus, a division of SIGMA Group, makes it easy to buy and sell MRO spare parts. We serve all manufacturing industries with our wide selection of surplus PLCs, HMIs, VFDs, servo drives, sensors, electronic components, and much more! We carry the brands you know and trust, from Allen-Bradley to Siemens, Square D, ABB, and hundreds more.

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DISCLAIMER: SIGMA Surplus and SIGMA Group are not affiliated with nor an authorized distributor or representative of any manufacturer, brand or product listed. All items sold by SIGMA Surplus are covered under SIGMA Surplus' warranty and not the manufacturer warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.

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