Chicago Construction
Contractors & Construction
Managers Since 1989
Contractors & Construction Managers Since 1989.
Featured Works
What We Do
Poly Bristle
Keystone polypropylene filament is top quality and versatile for a wide variety of applications. It has excellent wet stiffness, flex fatigue resistance and good bend recovery.
Service DetailAll-Pro Strip Brooms
The strip broom is available in poly and combo (poly/wire). The strip are easy to change, cost efficient to ship and recyclable.
Service DetailWafer Brooms
Wafers are available in all poly, wire, and combo (poly/wire). Wafers can be flat, convoluted or sloped and will fit any size sweeper.
Service DetailGutter Brooms
Gutter brooms can be wire or poly for different sweeping applications. Different blocks are used for different sweepers.
Service DetailTube Brooms
Municipal and road construction brooms for every type of sweeper. Keystone manufactures all poly, wire and combo (poly/wire) brooms
Service DetailWorking with us
Contractors & Construction
Managers Since 1989
Recent News
Introducing the New Keystone Plastics Resource Center
At Keystone Plastics, we’re always looking for ways to better serve our customers, distributors, and partners. That’s why we’re excited to ...
Read MoreTech Tips: When to Change Your Street Sweeper Broom
We’re excited to launch Tech Tips, a new series of quick, practical insights to help you get the best performance from ...
Read More2025 UPDATED Distributor Guide Now Available
Find the Right Broom for Any Sweeper We are happy to announce that we’ve made some updates to our Distributor Guide. ...
Read MoreBehind the Scenes: Filming Our New Keystone Plastics Corporate Video
At Keystone Plastics, we take pride in not only the quality of our brooms but also the dedicated team behind every ...
Read MoreKeystone Plastics Promotes Mike Santos to Vice President of Sales and Marketing
We are proud to announce the promotion of Mike Santos to Vice President of Sales and Marketing. Over the past seven ...
Read MoreTestimonials
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I've been happy with the services provided by Construction LLC. Scooter Libby has been wonderful! He has returned my calls quickly, and he answered all my questions. This is required when, for example, the final text is not yet available.