Listed Precision Grinding Companies in California

Results are ordered alphabetically. Inclusion is based on the matching process or industry recorded on each published profile.

Acxess Spring

📍 Colton, CA Est. 1985
Specialties: Compression SpringsExtension SpringsTorsion SpringsCustom Coil Springs

American Precision Tool

📍 Pacoima, CA
Specialties: CNC MillingCNC TurningPrecision GrindingAerospace Components

B&Z Manufacturing

📍 San Jose, CA Est. 1960
Specialties: Ultra Precision CNC MachiningMulti-axis MillingPrecision TurningPrecision Grinding

G.S. Precision

📍 Upland, CA Est. 1960
Specialties: 5-Axis MachiningSwiss MachiningAircraft ComponentsDefense Parts

RCP Block & Brick

📍 San Diego, CA Est. 1947
Specialties: Concrete BlocksMasonry UnitsHardscape ProductsArchitectural Blocks

TCHO Chocolate

📍 Berkeley, CA Est. 2005
Specialties: Bean-to-Bar ChocolateCacao ProcessingPremium ConfectionsDirect Trade Sourcing

Precision Grinding supplier landscape in California

UNITEMFG currently matches 6 published supplier profiles to Precision Grinding in California, spanning 6 listed cities. The largest concentrations in the directory are Berkeley (1 supplier), Colton (1 supplier), and Pacoima (1 supplier). This is a directory-derived view of available suppliers, not an estimate of the entire state market.

The capabilities most often named on matching profiles are Defense Parts (2 profiles), Precision Grinding (2 profiles), and 5-Axis Machining (1 profile). The supplier set spans Aerospace (2 profiles), Automotive (1 profile), and Construction (1 profile) among its most represented industries. Frequently listed material experience includes Aluminum (1 profile), Inconel (1 profile), and Nickel Based Alloys (1 profile). Published certification fields most often mention AS9100D (2 profiles), ISO 9001:2015 (2 profiles), and HUBZone Certified (1 profile).

Because the matching profiles span 6 cities, buyers can compare several local supplier markets rather than treating one metro as representative of the state. Use the listed capabilities as a first-pass filter, then require each shortlisted supplier to confirm that the relevant process is performed in-house, on suitable equipment, at the required scale.

Supplier locations

  • Berkeley1
  • Colton1
  • Pacoima1
  • San Diego1
  • San Jose1
  • Upland1

Commonly listed capabilities

  • Defense Parts2
  • Precision Grinding2
  • 5-Axis Machining1
  • Aerospace Components1
  • Aircraft Components1
  • Architectural Blocks1
  • Bean-to-Bar Chocolate1
  • Cacao Processing1

Industries represented

  • Aerospace2
  • Automotive1
  • Construction1
  • Food & Beverage1
  • Machinery1

Materials and credentials listed

  • Aluminum1
  • Inconel1
  • Nickel Based Alloys1
  • Stainless Steel1
  • Titanium1
  • AS9100D2
  • ISO 9001:20152
  • HUBZone Certified1

This California market view is calculated from published UNITEMFG profiles whose process labels map to the Precision Grinding cluster. Counts describe directory coverage, not independently audited capacity, quality, or availability.

How to source Precision Grinding in California

Use precision grinding when surface finish, roundness, flatness, or size control exceeds what ordinary milling or turning can reliably deliver.

Include in the RFQ

  • finished drawing with grinding symbols
  • material and heat-treated condition
  • stock allowance before grinding
  • geometry and surface-finish limits
  • inspection method and lot quantity

Questions that separate suppliers

  • Which grinding method and machine will be used?
  • How are thermal growth and wheel wear controlled?
  • Can the supplier document size, form, and finish results?

Need Help Finding Precision Grinding in California?

Our directory makes it easy to research listed manufacturing companies.