OSTE provides fast, reliable construction takeoff services for contractors and estimators. We deliver CSI MasterFormat‑organized, estimator‑reviewed quantity takeoffs within 48–72 hours, combining AI‑assisted efficiency with expert quality control. Specializing in commercial projects, including Division 08 (doors & hardware) and Division 10 (specialties), OSTE helps general contractors, subcontractors, and bidding teams meet tight deadlines, increase bid capacity, and reduce estimating workload-without software licenses or long‑term contracts.