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Cut Stone and Stone Product Manufacturing

NAICS 327991 · Nonmetallic Mineral Product Manufacturing · SBA size standard: 500 employees

Cut stone manufacturers receive slabs or blocks of granite, marble, limestone and engineered stone, then cut, shape, finish and sometimes assemble them into countertops, monuments, tiles, architectural pieces and custom products. The specialists turn customer measurements and drawings into verified cut lists, schedule CNC saws waterjets and polishers, manage slab inventory and remnants, generate shop tickets and labels, track tooling and abrasives, and prepare delivery or installation loads. Final quality checks, stone selection and finish approvals remain with the fabricator and owner.

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What makes this business different

  • Slab and block inventory tracking with color variation, vein matching and remnant management
  • Custom templating and measurement data that must be captured exactly for each job
  • CNC machine programs, tool paths and feed rates generated from drawings or cut lists
  • Stone-specific tooling, abrasives, sealers and handling requirements that change by material type
  • Shop tickets with diagrams, edge profiles, cut sheets and quality checkpoints for each piece
  • Waste tracking, dust control, water recycling and material handling permits
  • Coordination between templating, fabrication, finishing, inspection and delivery or installation crews
  • Seasonal demand peaks for residential kitchens and commercial projects

Specialist bots

  • a worker standing at a large layout table reviewing stone samples and paper templates next to a digital measuring device

    Job Intake Specialist

    Convert customer requests, measurements and drawings into verified job files and cut lists.

    Works in: Ambitious Tasks, Ambitious Docs, Contract Analyzer · Workflows: Job intake and templating

    Automates

    • Reads incoming inquiries and extracts requirements
    • Creates standardized job folders with attached measurements and drawings
    • Checks material availability against slab inventory
    • Drafts confirmations with stone options
    • Generates initial cut list from dimensions

    Stops for a person

    • The fabricator selects and approves specific slabs
    • A person reviews and sends all customer confirmations
    • Complex drawings are reviewed by the owner or lead fabricator
  • a worker using a forklift to move large granite slabs in an outdoor stone yard with numbered storage racks

    Slab and Remnant Manager

    Maintain accurate slab yard inventory, match materials to jobs and track remnants.

    Works in: Ambitious Sheets, Ambitious Tasks, Ambitious Docs · Workflows: Slab and remnant inventory

    Automates

    • Updates slab locations and photos in the inventory log
    • Matches job color and size needs to available inventory
    • Calculates and records remnant dimensions after cuts
    • Generates supplier reorder lists
    • Flags low-stock or aging slabs

    Stops for a person

    • The owner approves all stone purchases
    • Final slab selection for visible projects is done by the fabricator
  • a worker at a computer workstation programming a CNC stone bridge saw with large stone pieces visible through the window

    Fabrication Scheduler

    Create daily machine schedules, generate CNC programs and produce shop tickets.

    Works in: Process Optimizer, Ambitious Tasks · Workflows: Fabrication scheduling and machine programming

    Automates

    • Sequences jobs by due date and material readiness
    • Generates cut lists and basic tool path instructions
    • Assigns work to specific machines and operators
    • Creates detailed shop tickets with edge profiles and diagrams
    • Identifies special handling or tooling needs

    Stops for a person

    • The lead fabricator reviews and adjusts machine schedules
    • All CNC programs are proven out and approved by an operator
    • Complex custom work is reviewed before release to the floor
  • a worker using a hand polisher on the edge of a marble countertop at a wet fabrication station with water running

    Production Coordinator

    Track daily fabrication progress, log quality checkpoints and manage workflow between stations.

    Works in: Ambitious Tasks, Ambitious Sheets, Process Optimizer · Workflows: Production execution and quality control

    Automates

    • Distributes digital shop tickets and labels to each workstation
    • Logs start and completion times per operation
    • Captures defect and rework data
    • Reminds operators of required quality photos
    • Moves completed jobs to the finishing queue

    Stops for a person

    • Fabricators perform all physical quality checks and sign off
    • The owner reviews major defects or customer-visible issues
    • Rework decisions are made by experienced staff
  • a worker organizing diamond polishing pads and router bits on a pegboard tool wall next to a stone saw

    Tooling and Maintenance Clerk

    Monitor tooling and consumable usage, schedule maintenance and maintain calibration records.

    Works in: Ambitious Sheets, Ambitious Tasks, Ambitious Docs · Workflows: Tooling and consumables management

    Automates

    • Tracks blade, bit and pad usage by stone type
    • Generates reorder lists before stock runs out
    • Schedules preventive maintenance for equipment
    • Maintains digital maintenance and calibration logs
    • Flags tools approaching end of life

    Stops for a person

    • The owner approves all tooling and supply purchases
    • Maintenance and repairs are performed by qualified technicians
    • Calibration adjustments are verified by the lead operator
  • a worker carefully wrapping a finished granite countertop in protective foam and cardboard at a packaging station

    Finishing and Shipping Coordinator

    Manage final finishing steps, packaging, job staging and delivery preparation.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: Finishing, packaging and shipping

    Automates

    • Creates finishing checklists including sealer application
    • Generates packing lists and handling labels
    • Groups items for each delivery or installation
    • Prepares customer signature forms and delivery tickets
    • Updates remnant inventory after final cuts

    Stops for a person

    • The owner approves all outgoing deliveries and associated costs
    • Installation crews verify pieces on site before final acceptance
    • Sealer and finish choices are confirmed with the customer by a person
  • a worker reviewing a clipboard checklist next to industrial dust collection equipment and water recycling tanks in a stone shop

    Compliance and Documentation Coordinator

    Maintain required operational logs, safety records and permit documentation.

    Works in: Ambitious Docs, Ambitious Sheets, Ambitious Tasks · Workflows: Compliance and permit documentation

    Automates

    • Generates weekly dust, water and waste summary reports
    • Tracks inspection and maintenance due dates
    • Organizes material safety documentation
    • Prepares permit renewal checklists
    • Maintains operator certification records

    Stops for a person

    • The owner confirms which local and state requirements apply
    • All official submissions and certifications are handled by people
    • The bot never certifies compliance

Workflows

Job intake and templating

Starts when: A customer inquiry, contract or measurement request arrives

  1. Capture customer requirements, stone type, edge profiles, dimensions and special instructions
  2. Schedule templating visit or record field measurements and attach photos
  3. Create a digital cut list and attach any drawings or CAD files
  4. Verify material availability against current slab inventory
  5. Draft a job confirmation with selected stone options for approval

Watch for: Exact measurements and templates are critical to prevent costly remakes; Stone color and vein direction must be confirmed with the customer

Slab and remnant inventory

Starts when: Daily at start of shift and after each job

  1. Update slab yard photos and locations with new arrivals
  2. Match job requirements to available slabs by color, thickness and quality
  3. Reserve selected slabs and record remnant sizes and locations after cutting
  4. Generate reorder list for stone suppliers based on low stock and upcoming jobs
  5. Track remnant usability for future small projects

Watch for: Heavy stone requires safe forklift and storage rack procedures; Color matching across multiple slabs for large projects

Fabrication scheduling and machine programming

Starts when: After job confirmation and slab selection

  1. Prioritize jobs by due date and material readiness
  2. Generate CNC cut lists, tool paths and programs for bridge saw, waterjet and CNC router
  3. Assign jobs to specific machines and operators with required tooling
  4. Create shop tickets with diagrams, edge details and quality notes
  5. Flag any special handling requirements for fragile or dense stone

Watch for: Machine capacity and tooling availability limit daily output; Different stones require different blades, bits and coolant settings

Production execution and quality control

Starts when: Start of each fabrication day

  1. Distribute shop tickets and labels to each station
  2. Log start and completion times for cutting, edging, polishing and finishing
  3. Record any material defects or rework needed
  4. Capture photos of finished pieces before packaging
  5. Update job status and move completed pieces to staging area

Watch for: Dust collection, water management and safety protocols must be followed; Each piece requires visual and dimensional quality verification

Tooling and consumables management

Starts when: Weekly and when low stock is flagged

  1. Track usage of diamond blades, router bits, polishing pads and abrasives
  2. Schedule maintenance and sharpening for saws and CNC equipment
  3. Draft reorder lists for tooling and stone care products
  4. Log tool life and performance by stone type
  5. Maintain calibration records for measuring equipment

Watch for: Tool costs vary significantly by stone hardness and job volume; Proper maintenance prevents costly machine downtime

Finishing, packaging and shipping

Starts when: After quality approval of completed pieces

  1. Apply required sealers and perform final cleaning
  2. Package pieces with protective materials and labeled edges
  3. Group items for delivery or installation by job and location
  4. Draft delivery tickets with handling instructions and customer signatures
  5. Update inventory and remnant records after removal from yard

Watch for: Heavy pieces require proper rigging and transport equipment; Sealer and finish choices must match customer specifications

Compliance and permit documentation

Starts when: End of each week and on renewal or inspection dates

  1. Generate weekly dust control, water recycling and waste logs
  2. Track equipment inspection dates and maintenance records
  3. Monitor material safety data sheets for sealers and chemicals
  4. Prepare documentation for any required local permits or environmental reports
  5. Maintain records of operator certifications for equipment

Watch for: Requirements vary by jurisdiction for water discharge and silica dust; The owner confirms which local, state and federal rules apply

Bot templates for this industry

Source: U.S. Small Business Administration, Office of Size Standards, Table of Small Business Size Standards Matched to North American Industry Classification System Codes, version March 2023 (effective 2023-03-17, NAICS 2022). Size standards are shown for reference only.