Meet Our Team

Dave Beier — Owner


Dave is one half of the two-man team manning the ICS ship. A native of Racine, Wis., he first became interested in calibration after joining the Marines at age 17. After working for various calibration companies and traveling the country working with customers, Dave joined forces with Darrell Martin in 2004 to form Instrument Calibration Solutions. Today he is proud of the level of integrity that ICS operates with and how they always put the customer first. The father of two teenage boys, Dave is also an avid golfer and bowler.

Darrell Martin — Owner


Back when he was a kid in Ambridge, Pa., Darrell always loved taking things apart and figuring out how they worked. After studying industrial electronics at Vo-Tech, he entered the Marine Corps where he worked as a Precision Measurement Equipment Laboratory (PMEL) tech, setting the foundation for a career in calibration. In 2004, he teamed up with Dave Beier to form Instrument Calibration Solutions (ICS). Darrell loves developing relationships and partnerships with ICS’s customers and making sure their expectations are exceeded. The father of two girls, in his free time he enjoys competing in extreme races.

Anna Sullivan


Anna joined the ICS team in October of 2013. As Operations Manager, Anna is responsible for customer communications, coordinating onsite calibrations, new equipment sales, formulating quotes, and overseeing in-house operations to ensure that ICS services are timely and of the highest quality.

Anna completed her Bachelor’s Degree at St. Vincent College in 2009, and earned her Master’s Degree in Strategic Leadership at Mountain State University in 2012. After honing her management and organizational skills in the competitive corporate event planning industry, Anna embraced the challenge of managing operations at Instrument Calibration Solutions. As ICS continues to grow, she is particularly focused on ensuring that integrity and excellence remain forefront in every facet of the organization.

Mary Yerkins – Administrative Assistant


With over 20 years experience in the industrial and scientific fields, Mary combines her attention to detail with extensive data research to ensure your orders are fulfilled to your exact requirements, and to make certain that your equipment is calibrated to it’s proper specifications.Mary ensures your order is handled with care from the moment it arrives at our facility till it returns to yours. As a customer support representative, Mary is ready to assist you with any questions or concerns you may have. Customer satisfaction is her primary focus.

Merle Balkovec


Merle is ICS’s Rock Star. After learning his craft as a Precision Measurement Equipment Laboratory (PMEL) tech in the U.S. Air Force, where he served in the First Gulf War, he went on to work for Lockheed, Sony, and Tektronix. As a calibration technician for ICS, Merle uses his expertise to ensure dead-on accuracy for all of or customers’ applications. A native of Verona, Pa., this father of two enjoys spending his free time hunting and fishing. (Rumor has it he plays a mean electric guitar, too.)

Chris Guggemos


A resident of Beaver County, Chris came to ICS in 2012. He has been in the calibration industry since 1986, honing his skills while serving in the United States Marine Corp. He enjoys the variety that comes with being a calibration technician, and meeting current and new customers.  To relax, Chris enjoys long rides in the country on his motorcycle.

John Marks
John MarksTechnician
Doug Martin
Doug MartinTechnician
Jacob Gido
Jacob GidoShipping Manager


Do you live in the Dayton Ohio area and need your Optical Comparators Serviced?

Aaron KruegerHead Comparator Technician
Royce OgdenComparator Technician
Emily DurhamOffice Manager