JOHN ALLISON is a general contractor dedicated to constructing and renovating commercial and residential properties throughout the Olathe, KS area. We prioritize safety, quality, and timely project completion.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how JOHN ALLISON broke down on Apr 25, 2026.
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