Leadership Team

Meet The Team

Krystyna Trzaska

Founder, President

Slawomir "Stanley" Trzaska

Founder, CEO

Barbara Colletier

Vice President, CFO

Stanley Machining is proud to be a Woman-Owned Small Business. Family owned and operated, the team at Stanley is home to 3 generations working together under 2 roofs. Founded by Slawomir & Krystyna Trzaska in 1966, they are proud to have all 5 of their children in it's employ as well as several grandchildren and extended family members.

This family spirit brings an unsurpassed level of commitment and detail that bring our customers the highest quality of customer service and manufacturing and engineering excellence. We are fully invested in the success of our customers products and equipment.


Satisfaction is simply not enough - Stanley Machining goes beyond the extra mile to ensure the complete customer experience.

The Stanley team is the foundation of our company. We take incredible pride in the skill and expertise of every one of our team members. Whether running a 5 axis, deburring a finished product before shipping or inspecting a first article piece, you can be sure our highly qualified and talented team members work towards the same goal: exceptional quality and customer service.

Our dedicated engineering team is made up Engineers, Programmers and Set-Up Operators, most of whom hold advanced degrees in the engineering field. All are trained with the latest version of SolidWorks CAD/CAM software. Our machinists are more than operators - they are highly skilled craftsmen. As metal artisans they take incredible pride and consideration for the quality of the finished product.

Stanley Machining boasts of full time, in house maintenance team to ensure our equipment is running at peak condition. This results in limited downtime ensuring timeliness and cost savings that benefit our customer base.

Know matter what department, our team believes that quality and customer satisfaction are the top priority each and every day. We strive to continuously improve our systems, and processes, embrace new ideas and think outside the box to provide our customers the best service possible as well as create a dynamic and positive internal environment.​

Turnover rate is impressively low. Each and every member of the Stanley team is considered to be a part of the SMT family. We take pride in our exceptionally talented, dedicated, hard working employees, many of whom have brought their own family members into our community. 

Stanley Machining & Tool Corporation

425 Maple Avenue

Carpentersville, IL 60110