About Us


IBEW Local 231 Charter was issued May 10, 1916 in Sioux City, Iowa.

Today, we represent members across Iowa, Nebraska and South Dakota.  Our jurisdiction covers 26 counties in all – 16 counties in Northwest Iowa, three counties in Southeast South Dakota, and seven counties in Northeast Nebraska.

We are located at 5001 Harbor Drive.  Use Exit 143 or 141 off of I-29.

IBEW - Sioux City Location



Business Manager – Jason V. Bowman

Membership Development – Craig Levine

Administrative Assistant – Debora “Debby” A. Spencer

Secretary – Virginia Masters


Local 231 Officers

President – Jim Schultz

Vice President – Andrew Garlinghouse

Business Manager – Jason Bowman

Recording Secretary – Gerald Grimsley

Treasurer – Ronald Grimsley

Executive Board

Robert Ferguson

Tim Kashas

Troy Pojar

Daniel Reynolds

Jesse Steeg

Bill Ferguson

Care and Share Committee

Jeff Eichmann

John DiBerardino

Examining Board

Craig Burris

Craig Levine

Debby Spencer