We're the estimating, CAD, and documentation team for contractors who don't have time to be their own back office. Fixed pricing, confirmed before we start.
You can also call us directly at (770) 355-8848
Not a jack-of-all-trades shop. Estimating, CAD & engineering, and documentation. That's it, and we do all three well enough that you stop thinking about them.
Core service
Itemized costing and quantity takeoffs pulled straight from your blueprints, priced and confirmed before work starts.
Core service
Drafting, redlines, and as-builts in AutoCAD and Revit, plus stamped work through our licensed engineering team.
Core service
RFIs, submittals, and change orders logged and kept audit-ready, backed by our active SAM.gov registration.
Estimating and project support without adding another full-time employee to payroll.
Increase your estimating capacity and chase more bids without growing the team.
CAD, documentation, and scheduling support when your internal team is overloaded.
One PM coordinates everything from request to delivery. You always know who to call.
We cover the full scope across all six industries, delivered by our team or through our trusted subcontractor network. One point of contact, zero gaps.
Roofing
Squares, flashing, underlayment, and accessories counted from your plans, with waste factors included and bid-ready.
Civil
Cut/fill quantities, grading, utilities, and paving takeoffs, plus CPM schedules that keep the site moving.
Commercial
Complete division-by-division quantity takeoffs for offices, retail, and warehouses, with bid support from plans to proposal.
Residential
Lumber and framing takeoffs for custom homes and multifamily, plus permit-ready drawings coordinated to code.
Industrial
Steel tonnage takeoffs, equipment layouts, and stamped structural engineering for plants and warehouses.
Renewable
Panel layouts, racking quantities, and electrical takeoffs for solar projects, with federal contracting support via SAM.gov.
No vague promises. These are the actual files we deliver on every project.
Line-by-line quantities in Excel, measured in Bluebeam straight from your plans. Every number traceable to a page and detail.
CSI-formatted cost estimate with labor, material, and equipment broken out. Priced per your market, ready to submit.
Clean AutoCAD/Revit files, redlines incorporated, stamped sets where required. Ready for permit or field use.
“Horizon's documentation and coordination support was flawless. Every RFI, submittal, and change order logged, tracked, and delivered on time, audit-ready from day one. It was like having a full back office without hiring one.”
Four steps. You always know where your project stands. No chasing, no black box.
Email, Procore, or Bluebeam. PDFs, CAD files, specs. Send whatever you have.
We review the set, confirm deliverables and pricing, and assign the right specialist.
Takeoffs, drawings, or documents produced, then checked twice before anything leaves our desk.
Clean files in your format, with the backup to defend every number.
Our engineering team is licensed in every state on this map, so a stamped drawing is never the thing holding up your schedule.
Licensed engineering coverage in all 50 states.
Horizon Stone Pro LLC is actively registered in SAM.gov, the official U.S. government registry. We are approved to perform on federal contracts, delivering our engineering, estimating, and project support services as prime or subcontractor.
SAM.gov
Fully registered and verified in SAM.gov, eligible to bid on federal contracts across all agencies.
Federal work
We perform our full scope on federal contracts: engineering, takeoffs, estimating, CAD, and scheduling.
Compliance
We meet federal compliance and documentation standards on every contract we perform, from award to closeout.
NAICS: 236220, 236210, 237310, 237990, 541330, 541340, 541611, 541614, 541990, 561110, 561210, 561499
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