U.S. Patent Numbers — Sigma Corporation

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SIGMA OEM

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SIGMA OEM

U.S. Patent Numbers

4,976,457

5,060,986

6,549,553

7,185,924

7,266,875

10,036,497

11,318,515

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SIGMA Spotters Strike Again! 🔍

Colton Gillinger, son of Territory Sales Manager Jessica Stohr-Covin, spotted this SIGMA Frame & Grate while at Atascocita High School in Texas.

We ❤️ our SIGMA Spotters, the best #BrandAmbassadors in the industr

SIGMA Spotters Strike Again! 🔍

Rich Matthews spotted this SIGMA Septic Ring & Cover while working in Wall Township, NJ.

We ❤️ our SIGMA Spotters, the best #BrandAmbassadors in the industry! #SIGMASpotters

SIGMA Spotters Strike Again! 🔍

Craig Schapiro, OEM Product Manager, spotted this RUSSCO casting in Nashville, TN.

We❤️our SIGMA Spotters, the best #brandambassadors in the industry! #sigmaspotter

Sourcing extended range and affiliate products such as Waterstop Gaskets, Pipe Lube, Detectable Tape, BoxLox, and Cement Plug from SIGMA’s one-stop shop generates major cost savings! Dealing with SIGMA for all waterworks products simplifies the

Congratulations to Territory Sales Manager Ken Lewis on his retirement after 32 years in the waterworks industry, the last 18 of which were at SIGMA. Effective November 1, Aaron Hall will assume responsibility for Ken’s customers in Iowa, Minne

SIGMA Spotters Strike Again! 🔍

Zackary Raupp spotted this SIGMA Frame Grate while at South Bend, WA.

We ❤️ our SIGMA Spotters, the best #BrandAmbassadors in the industry! #SIGMASpotters

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