NAICS 332322, 332312

Sheet Metal & Metal Fabrication in Fontana, CA

The 2 ZIP codes assigned to Fontana contained 14 Metal Fabrication establishments in 2023, of which 3 employed 10 or more people.

Establishments (2023)
14
2 ZIP codes
10 or more employees
3
Practical financing floor
Share of county
18%
San Bernardino County
City population
221,223
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to Fontana (92335, 92337). ZIP areas are not municipal boundaries: they can extend beyond city limits and are shared between neighbouring places. This is a count of establishments in Fontana's ZIP codes, not a count of businesses inside its city limits.

Establishments by size

Employee-count distribution. For most buyers the businesses worth pursuing sit in the 5 to 49 range: large enough to have a manager and real systems, small enough to be owner-operated.

EmployeesEstablishmentsShareDistribution
20-49321.4%

How this market compares

Fontana against every other city in California on the same measure. City figures cover the ZIP codes assigned to the place rather than its municipal boundary, so they are compared as a share of the businesses in those same ZIP codes rather than per resident. Cities with fewer than 500 businesses in total are left unranked.

Densely served0.39% of local businesses, against 0.04% statewide

This industry takes up a far larger slice of the local business base than it does statewide. A crowded market: expect established competitors and price pressure, but also a deeper pool of businesses to buy.

Vs state share
+1011%
Share of local businesses
Rank by count
#5
of 43 cities
Rank by share
#4
of 43 ranked
Since 2020
+27%
Change in establishments

This compares how much of Fontana’s business base is sheet metal & metal fabrication, against the California figure. Base: 3,587 establishments across all industries in the same ZIP codes, 2023. It does not measure revenue, profitability or whether a market is worth entering.

Business size mix

Fontana is more consolidated than California as a whole: fewer micro-operators and a larger share of businesses with real headcount. Fewer targets, but the ones that exist are more likely to be financeable.

Share of establishmentsFontanaCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer0.0%9.4%-9.4%
5 to 49 employeesThe range most individual buyers target21.4%16.6%+4.8%
10 or more employeesPractical floor for acquisition financing21.4%10.7%+10.7%

Nearest comparable markets

The closest places to Fontana that also have Metal Fabrication establishments on record. Useful for spotting a gap next door, or realising the market you are looking at is already served from the town over.

MarketEstablishmentsVs state share
Ontario11+471%
San Bernardino3+139%
Upland4+337%
Riverside6+115%
Chino10+764%

The wider San Bernardino County market

Employment and payroll are reported at county level only, so the figures below describe the county Fontana sits in.

County establishments (2023)
77
San Bernardino County
County employees
2,389
Mid-March employment
County annual payroll
$167M
All establishments
Full Metal Fabrication data for San Bernardino County

What acquirers look at

Facility, cranes and equipment give these deals hard asset backing. Customer concentration with a single general contractor is the common failure mode.

Other industries in Fontana

Nearby cities

Sources

  1. U.S. Census Bureau, 2023 ZIP Code Business Patterns. Establishment counts and size distribution by ZIP code and NAICS, aggregated over the ZIP codes assigned to each city. Retrieved 2026-09-08.
  2. U.S. Census Bureau, 2023 County Business Patterns. Establishment counts, employment and annual payroll by NAICS. Retrieved 2026-09-08.
  3. U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (2026Q1). Quarterly establishment counts and employment for employers covered by unemployment insurance. Retrieved 2026-09-08.