OCS Inc.

OCS Inc. We offer complete design services supported by construction management.

From start to finish, our expertise in construction, material management and scheduling will ensure that the final product meets or exceeds your expectations. As general contractors, we take responsibility to ensure the construction process is handled right. Our considerable experience and success is your guarantee of quality- inside, outside and into the future.

04/25/2026
Inspections passed, and Mixing room operational! On to the next one!
03/10/2026

Inspections passed, and Mixing room operational! On to the next one!

03/06/2026

Our new hanger door
My first hydraulic door from higher power 

Address

4707 Orchard Lane
Crystal Lake, IL
60014

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+18154777234

Website

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