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Don UlrichEric SchaeferStone Technologies, Inc. was founded in 1996 in St. Louis, MO. The goal was to create a premier national systems integration company focused on project delivery in select industries, control and MES technologies. Understanding that it takes an all-star team to deliver premier solutions, the company created a working environment where its employees can have fulfilling professional and personal lives.

Our company specializes in larger, complex, leading edge, solutions to provide bottom line value to its clients by providing industrial automation services, including process control and manufacturing execution system (MES) design, software development and commissioning. Our strategy is to establish long term relationships with our clients to better understand their businesses and needs.

Today, we have over 75 full time professionals, specializing in design, development, and implementation. With an average 20 industry experience, these employees are located in 17 states. Our founders still believe in commitment to our clients; staying personally engaged in those relationships and being actively involved on projects.


1996 Founded in St. Louis, Missouri
Became a Wonderware Certified System Integrator
Became a Rockwell Solutions Provider
1997 10 Employees in Missouri
1998 StoneTek Information Systems Group established
1999 Named the Second Fastest Growing Private Company in St. Louis
2000 20 Employees in 3 states
2001 Named to INC Magazine’s 500 Fastest Growing Private Companies in America
Became a Microsoft Certified Partner
30 Employees in 4 states
2002 Became a Schneider Electric Authorized System Integrator
Became CSIA certified
2003 Co-Founded the Automation Alliance Group
Achieved Gold Tier Certified Member to the Control System Integrators Association (CSIA)
2004 Became a Wonderware ArchestrA Certified Application Developer
2005 Became a GE/Intellution System Integrator
40 Employees in 5 states
2006 Completed construction on office expansion at the corporate headquarters in Chesterfield, Missouri
Successfully completed CSIA  audit for re-certification
2007 50 Employees in 6 states
2008 Achieved Wonderware Endorsed System Integrator Status
Became the first Rockwell Automation Information Solution Provider
2009 Named Control Engineering’s 2010 System Integrator of the Year
Named Packaging Digest’s 2010 Packaging Integrator of the Year
Successfully completed CSIA re-audit for re-certification
2011 Joined forces with EISgroup
2012 Successfully completed CSIA re-audit for re-certification
2013 Don Ulrich named to CSIA Board of Directors
2014 Best Places to Work in St. Louis finalist
2015 66 employees in 16 states
Successfully completed CSIA re-audit for re-certification
Named as a System Integrator Giant by Control Engineering Magazine
2016 72 employees in 16 states
Named as a System Integrator Giant by Control Engineering Magazine
Best Place to work in St. Louis finalist
2017 75 employees in 17 states
Became OSIsoft Select Partner

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