Carol Stream, IL

Our Carol Stream, IL, headquarters is “home base” for all of Prince. We focus here not only on precision machining, but also on our QP Hydraulics division, which offers innovative joysticks and check valves to the mobile and industrial hydraulics markets. Our facility combines highly-trained team members with computer-controlled machine tools, operating virtually around the clock.

Carol Stream Machining Capabilities

Vertical CNC Machining

  • (7) vertical milling 5-Axis HAAS VF2-VF6 machines
  • (1) vertical 5-Axis mill w/ turning
  • (1) vertical milling 4-Axis HAAS VF7 machines
  • (2) vertical milling 3-Axis machines

Horizontal CNC Milling

  • Five-machine horizontal milling FMS (Flexible Machining System) with four loading stations, 500mm pallet
  • FMS horizontal milling with two loading stations, up to 630mm pallet
  • (4) Mazak horizontal stand-alone milling machines

Swiss-style & Large Diameter Precision Turning

  • (13) Swiss-style turning machines with bar feeding
    • (8) Citizen Swiss machines
    • (5) Tsugami Swiss machines
  • (3) large diameter CNC turning machines

Mill/Turning CNC Machining

  • (5) Eurotech mill/turn CNC machines with twin-spindle, twin-turret, bar-fed capabilities
  • (8) mill/turn CNC machines with gantry loading
  • (2) Mori Seiki mill/turn machines

Precision Grinding & Honing

  • (4) centerless grinding machines, 2” feed, 2” thru-feed, 2″ max diameter
  • (2) Sunnen horizontal honing machines, 3.5” max diameter
  • (2) Engis vertical honing machines, 1.25” max diameter
  • (1) vertical broaching machine, 10-ton capacity and 48” travel

Interested in Partnering with Prince?

Carol Stream Facility Certifications

ITAR

PARTNER WITH PRINCE

What Our Customers Say

“Prince has been a strategic supplier of ours for the past 20 years. Over that time, they have collaborated with our engineering team at the early stages of a number of high-profile projects to support our business growth. The Prince team is highly dedicated, with skilled professionals in every aspect of their business. Because of their performance and professionalism, they have more than tripled their business with us over the last several years.”

Global Commodity Manager – Large Industrial Energy Controls Company

“Prince has been a partner of ours for many years. I find them to be a very reliable, professional and customer-focused company. We can count on them to deliver quality products on time and at a fair market price, which is why we continue to turn to them for our machining and fabrication needs.”

Purchasing Manager – Dental Imaging Company

“Prince has been a supplier to our business for well over 20 years. They are very responsive and always willing to align with us to better support our key business objectives. Prince provides consistently good quality and delivery performance. They are very much respected and viewed as a growth supplier to our business.”

Global Sourcing Manager – Large OEM Manufacturer

“We began working with Prince in 2023, and in just one year they have drastically improved manufacturing lead times to match our aggressive schedules, reduced costs, and provided excellent quality and customer service.”

Purchasing Manager • LEO Satellite Company

“Prince is genuinely excited to collaborate on challenging projects. Their talented engineers, quality team, and project managers continue to impress us with their unrelenting dedication and enthusiasm to manufacture groundbreaking aerospace hardware.”

Purchasing Manager • Aerospace Company