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SBL Systems is a thriving company managed by some of the most experienced automation
specialists in the field.  Strong and diverse technical capabilities, a loyal customer base, and low costs make SBL highly competitive.  

Our mission is to provide manufacturing companies with competitive Control System
 services, from concept through completion. Our team of highly skilled
Automation Specialists provides the best solutions in the industry.  In addition, SBL Systems offers
electrical support & drafting services across a variety of industries


With more than 50 years of combined experience in automated industrial systems, the SBL Systems management team has the talent and the skill to design and manufacture the controls you need while meeting your budgets, deadlines, and expectations.

John Spellman

Managing Partner


John works on all aspects of automation projects from functional specification, hardware design,  and programming.  He also helps with startups, post startup support, and has experience in pharmaceutical plant change control and validation.  He has working experience in FTView ME/SE, FTView Studio, FT Transaction manager and many more.

Jerry Broaddus

Managing Partner


Jerry has expertise in AC and DC drives and drive systems, all Rockwell Automation PLCs,  and pump systems.  He also works with Automax, both GML  and Control Logix based motion control products and standalone motion control productsIn addition, Jerry has additional working knowledge of

AutoCAD (2D, all versions).

William Davis



Will is Ignition Gold certified and leads the Ignition Projects and training for SBL. He has used Igniton for recording historical data, SCADA systems, reporting, basic control HMI, trouble shooting tool, and informational displays for multiple industry application. Will has additional experience in trouble shooting, designing, and implementing Allen Bradley control systems.


Erica is a UT graduate with a degree in Management and a PM certification working as an Operations Manager for SBL Systems. She has experience with organizational processes, and work to improve quality, productivity, and efficiency as well as all HR, AP, AR, EH&S, and general Administrative functions.

Erica Robertson
Paul Shaw

Automation Field Technician

Paul is an Ignition Gold Certified  Field Technician for SBL Systems. He has experience maintaining and developing Ignition projects for multiple industry applications. Paul assists with HMI and design of AllenBradley control systems.

Michael Ahrens

Panel Shop Supervisor


Michael works with our Automation Specialists and Panel Designers to turn preliminary designs into finished, professional industrial panels in the SBL Systems panel workshop.  He is in charge of panel assembly and production while supervising additional shop labor.  

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