Manufacturers, farms, factories, aerospace suppliers, medical device companies and repair shops all need precision parts, and many rely on small machine shops for prototypes, replacements and production runs. Interest in domestic manufacturing has made reliable local shops valuable partners. Metal and plastic workers, the BLS group that includes machinists, earned a median of $48,660 in May 2024, and welders earned $51,000, according to the Bureau of Labor Statistics; skilled CNC programmers and machinists often earn more.
Shops range from prototype and repair shops to CNC job shops serving many customers and specialized production shops focused on industries such as aerospace, medical or energy.
The workforce
| Occupation | Jobs (2024) | Median pay (May 2024) | Projected growth, 2024 to 2034 |
|---|---|---|---|
| Metal and plastic workers (group, including machinists) | n/a | $48,660 | n/a |
| Welders, cutters, solderers and brazers | 457,300 | $51,000 | +2% |
Source: U.S. Bureau of Labor Statistics, Occupational Outlook Handbook and Occupational Employment and Wage Statistics.
Business models compared
The figures below are illustrative months from our research, not industry averages. They show how revenue and costs typically fit together; your market, prices and costs will differ.
| Business model | Startup costs | Example monthly revenue | Costs | Profit before owner pay | Margin |
|---|---|---|---|---|---|
| Prototype and repair shop | Moderate: manual and CNC machines, tooling, inspection tools | $20,000 | $10,400 | $9,600 | 48% |
| CNC job shop (owner plus 4) | High: CNC mills and lathes, CAM software, inspection equipment | $70,000 | $58,800 | $11,200 | 16% |
| Specialized production shop (certified) | Very high: certified quality system, specialized machines | $120,000 | $99,300 | $20,700 | 17% |
Fixed and variable costs
For projections, the most useful split is between variable costs, which rise and fall with sales (materials, supplies, hourly labor, fees), and fixed costs, which you pay every month regardless (rent, salaried staff, insurance, loan payments).
| Business model | Variable costs (% of revenue) | Fixed costs per month | What it means |
|---|---|---|---|
| Prototype and repair shop | 21.0% | $6,200 | Mostly fixed: needs steady volume to cover overhead |
| CNC job shop (owner plus 4) | 31.0% | $37,100 | Balanced: margins improve as volume grows |
| Specialized production shop (certified) | 31.7% | $61,300 | Balanced: margins improve as volume grows |
What the numbers say
Machine payments and skilled labor are the largest fixed costs, so spindle utilization decides profit.
Accurate quoting protects margins; underestimating cycle times or setups erases profit quickly.
Certified production shops earn steadier, higher-value work with quality system costs.
The three models in brief
Prototype and repair shop. One-off parts, repairs and prototypes. See welding and fabrication data.
CNC job shop. Parts for many customers in small and medium runs. See small manufacturing data.
Specialized production shop. Certified production for aerospace, medical or energy customers.
Cost structure: cNC job shop (owner plus 4)
Each cost as a share of the example month’s revenue ($70,000):
| Cost | Monthly amount | Share of revenue | Type |
|---|---|---|---|
| Machinist wages | $18,000 | 25.7% | Fixed |
| Material | $14,000 | 20.0% | Variable |
| Machine payments | $7,000 | 10.0% | Fixed |
| Tooling and consumables | $4,200 | 6.0% | Variable |
| Shop rent | $4,000 | 5.7% | Fixed |
| Outside processing (heat treat, plating) | $3,500 | 5.0% | Variable |
| Payroll taxes and benefits | $3,500 | 5.0% | Fixed |
| Utilities | $1,500 | 2.1% | Fixed |
| Sales and quoting | $1,500 | 2.1% | Fixed |
| Insurance | $1,000 | 1.4% | Fixed |
| Software | $600 | 0.9% | Fixed |
| Profit before owner pay | $11,200 | 16% |
A first-year projection: cNC job shop (owner plus 4)
New businesses rarely start at full speed. This projection assumes revenue ramps from 35% of the example month in month 1 to 100% by month 12, variable costs move with revenue, and fixed costs stay the same every month. It’s a planning illustration, not a forecast.
| Month | Revenue | Variable costs | Fixed costs | Profit | Cumulative |
|---|---|---|---|---|---|
| 1 | $24,500 | $7,595 | $37,100 | -$20,195 | -$20,195 |
| 2 | $31,500 | $9,765 | $37,100 | -$15,365 | -$35,560 |
| 3 | $38,500 | $11,935 | $37,100 | -$10,535 | -$46,095 |
| 4 | $43,400 | $13,454 | $37,100 | -$7,154 | -$53,249 |
| 5 | $49,000 | $15,190 | $37,100 | -$3,290 | -$56,539 |
| 6 | $53,200 | $16,492 | $37,100 | -$392 | -$56,931 |
| 7 | $57,400 | $17,794 | $37,100 | $2,506 | -$54,425 |
| 8 | $60,900 | $18,879 | $37,100 | $4,921 | -$49,504 |
| 9 | $63,700 | $19,747 | $37,100 | $6,853 | -$42,651 |
| 10 | $66,500 | $20,615 | $37,100 | $8,785 | -$33,866 |
| 11 | $68,600 | $21,266 | $37,100 | $10,234 | -$23,632 |
| 12 | $70,000 | $21,700 | $37,100 | $11,200 | -$12,432 |
Year one: revenue $627,200, profit before owner pay -$12,432. The first profitable month is month 7. Cumulative results bottom out at -$56,931, which is the minimum cash cushion this plan would need, before any startup costs.
Machinist wages, rent and machine payments start before steady customers fill the schedule, so this job shop illustration turns profitable in month 7, with a cumulative low of about $56,900, before machine purchases.
How machine shops earn
- Per-part pricing for production runs.
- Hourly rates for prototypes and repairs.
- Setup and programming charges.
- Engineering and design support.
- Kitting and assembly.
Quoting accurately
Quote material, programming, setup, cycle time, tooling, inspection, outside processing and shipping. Track actual times against quotes and adjust your rates. Quoting discipline separates profitable shops from busy but broke ones.
Quality systems
Many customers require documented quality systems and certifications. Even without certification, inspection records, calibrated tools and first-article inspections build trust.
A startup checklist
- Choose machines for your target work.
- Set up CAM software and inspection tools.
- Build safety programs for guarding and lockout/tagout.
- Check ITAR obligations before defense work.
- Develop quoting templates.
Spindle utilization
Machines earn only when cutting. Scheduling, quick setups, workholding and lights-out machining where safe increase utilization.
Where the opportunities are
- Reshoring of parts once made overseas.
- Repair parts for agriculture and industry.
- Medical and aerospace components with certification.
- Prototype work for startups.
- Energy and electrification components.
Key terms
| Term | Meaning |
|---|---|
| Job shop | A shop making varied parts for many customers |
| Cycle time | Time to machine one part |
| First-article inspection | Detailed check of the first part produced |
| ITAR | Regulations controlling defense articles and data |
Hiring machinists
Skilled machinists are scarce. Apprenticeships, community college partnerships and training paths help build teams.
Key numbers to track
Track spindle utilization, quoted versus actual hours, scrap rate, on-time delivery and gross margin by customer.
Common mistakes
- Underquoting setups and cycle times.
- Buying machines before securing work.
- Weak quality documentation.
- Relying on one customer.
- Ignoring safety programs.
Marketing a machine shop
Direct outreach to manufacturers, online manufacturing marketplaces, trade shows and referrals win customers. See small manufacturing data.
Equipment financing
Machines are expensive; financing, leasing and used equipment help shops grow carefully.
Outside processing
Heat treating, plating and coating often go to partners; build reliable relationships and include costs in quotes.
Automation
Bar feeders, pallet changers and robots raise productivity as volume grows and help offset labor shortages.
Cash flow
Material purchases and long payment terms tie up cash; negotiate deposits on large jobs.
Customer relationships
Responsive quoting, communication and on-time delivery win repeat orders, and engineers remember shops that suggest design changes that cut cost.
Materials and sourcing
Steel, aluminum, plastics and specialty alloys vary in price and availability. Reliable metal service centers, accurate material certifications and quoting material costs at current prices protect margins when markets change.
Workholding and setup reduction
Good fixtures, vises and quick-change tooling cut setup time, which matters most for small batches. Shops that set up fast can profitably take the short-run work larger shops avoid.
Documentation for customers
Many customers need inspection reports, material certifications and traceability. Building these into your workflow from the start opens doors to higher-value industries.
Safety culture
Training, guarding and housekeeping prevent injuries in high-risk shops.
Test these numbers with your own plan
Open this industry in our free Business Idea Reality Check to start from any model above, change prices, costs, startup budget and your own pay, and see your break-even month, the cash you’d need, three scenarios and how new businesses in this sector survive in your state.
- Start with the closest model and its cost structure.
- Replace every price and cost with local quotes.
- Estimate your ramp: how fast customers will realistically come in year one.
- Map cash month by month with the free Cash & Payroll Planner.
- Build the full plan in the free Business Planner.
About this data
Workforce figures come from the U.S. Bureau of Labor Statistics (Occupational Outlook Handbook and Occupational Employment and Wage Statistics, May 2024 wages and the 2024 to 2034 projections, unless noted). Market figures cite their sources above. Business model figures are illustrative months built from typical prices and costs to show how revenue, fixed costs and variable costs fit together; they are not industry averages or guarantees. We review these profiles when new government data is released, at least once a year, and the same figures power the Business Idea Reality Check.
Licensing and rules
Register the business; OSHA rules require machine guarding, lockout/tagout, hearing protection and other safety programs; manufacturers of defense articles controlled under the International Traffic in Arms Regulations generally must register with the State Department and protect controlled technical data; many aerospace, medical and automotive customers require quality certifications such as ISO 9001, AS9100 or ISO 13485; coolant, chips and metal waste must be handled under environmental rules. Requirements change; confirm with your state and local agencies before you start.
Frequently asked questions
How much does it cost to start a machine shop?
High: CNC machines, tooling, inspection equipment and facility costs are major investments.
Do machine shops need certifications?
Many customers require ISO 9001, AS9100 or other quality certifications.
What is ITAR?
Regulations controlling defense articles; manufacturers generally must register before making them.
What do machinists earn?
Metal and plastic workers earned a group median of $48,660 in May 2024, according to BLS.
How do machine shops find customers?
Direct outreach, manufacturing marketplaces, trade shows and referrals.
Is a machine shop profitable?
It can be, with accurate quoting, high utilization and diverse customers.
Should a new shop buy new or used machines?
Used machines lower startup costs; new machines bring reliability and financing options.
How do machine shops win repeat customers?
Fast, accurate quotes, consistent quality and on-time delivery.
How can I test these numbers?
Open machine shops in the Business Idea Reality Check and enter your own prices and costs.
Keep learning
- Welding and fabrication data
- Small manufacturing data
- Wholesale distribution data
- Business Idea Reality Check
Sources
- U.S. Bureau of Labor Statistics, Metal workers and plastic workers (group median)
- U.S. Bureau of Labor Statistics, Welders, cutters, solderers and brazers
Last reviewed November 1, 2026. Startup costs are estimates; check local prices, licensing and tax rules before you commit money.
In India
Small businesses like this in India
In MoSPI’s survey of unincorporated businesses (proprietorships, partnerships and similar firms), this falls under Fabricated metal products (fabrication, welding, machining). In 2023-24 India had 6.8 lakh such establishments employing 16.8 lakh workers, and 55.4% were run without hired workers. Across the wider manufacturing group, the number of establishments grew 6.48% between 2023-24 and 2025.
| Urban | Rural | All India | |
|---|---|---|---|
| Value added per business a year | ₹5,95,614 | ₹2,85,582 | ₹4,41,092 |
| Value added per worker a year | ₹1,95,424 | ₹1,52,238 | ₹1,79,035 |
| Pay per hired worker a year | ₹1,43,319 | ₹1,31,113 | ₹1,40,262 |
Running it alone or with staff: businesses with no hired workers added about ₹1,83,637 a year on average, while those with hired workers added about ₹7,61,369 (all India).
Where these businesses are: the states with the most small manufacturing businesses are West Bengal (16.0%), Uttar Pradesh (11.8%), Maharashtra (7.7%), Gujarat (7.2%), Tamil Nadu (6.9%) of the national total (2023-24).
Value added is what a business produces minus what it spends on materials and other inputs, before paying its workers and owner, so it’s a rough guide to the income a typical small business generates. These figures cover the whole activity, which can be broader than this one business type. Across all small businesses, average fixed assets such as equipment, furniture and vehicles were ₹3,42,242 per establishment in 2025.
Licences and registrations to expect
- Consent to Establish and Consent to Operate from your State Pollution Control Board, unless your activity is in the exempt white category.
- Factory registration under the OSH Code once you have 20 or more workers with power (40 without).
- BIS certification for products covered by mandatory quality control orders, and Legal Metrology registration for packaged goods.
- Registration under your state’s Shops and Establishments Act if you have premises or employees.
- A trade licence from your municipal corporation or council for many shop and service businesses.
- GST registration once turnover crosses ₹40 lakh for goods or ₹20 lakh for services (lower in some special category states), or earlier if you sell goods to other states or through e-commerce marketplaces.
- Professional tax registration in states that levy it.
- Free Udyam (MSME) registration, which helps with loans, government schemes and delayed-payment protection.
Rules differ by state and city. Check with your municipal corporation, state departments and a chartered accountant before you start.
Run a business like this in India? List it free in the India Business Directory, with your hours, deals and GST registration.
Free tools for India: Make a GST invoice · Compare business credit cards
Sources: MoSPI, Annual Survey of Unincorporated Sector Enterprises (ASUSE) 2023-24, full report, Appendix A Tables 4, 29, 33, 35 and 37 (survey period October 2023 to September 2024); MoSPI, Annual Survey of Unincorporated Sector Enterprises (ASUSE) 2025, factsheet (survey period January to December 2025, released 24 March 2026). Licensing summary by Advanton, checked November 2026.
