Oil & Gas · CA
Oil & Gas manufacturers in California
15 domestic oil & gas suppliers in California. Large-envelope turning, milling, and fabrication for upstream and midstream equipment, rated for pressure, corrosion, and heavy service.
#3
of 40 by manufacturers listed
- 15
- In this state
- 7.6%
- Share of industry
- 9
- Set-aside registered
- 9
- Federal track record
of 15 on this page
of 15 hold awards
Standards that matter in oil & gas
1 to specify- API Q1
Listings carry the federal set-aside registrations a company filed in SAM, not its quality-system certificates. Ask each shop for the current certificate and its scope before you release a drawing.
Oil & Gas suppliers in California
all 15- 1

Long Beach, CA · est. 1993
Petroleum Refineries
Minority-owned$11.2M
- 2

Los Angeles, CA · est. 2012
Petroleum Refineries
Small disadvantaged+2$2.7M
- 3

Tustin, CA · est. 2010
Machinery & Tooling · Repair & Maintenance
$421K
- 4

Temecula, CA · est. 1988
Machinery & Tooling · Industrial Chemicals & Gases
$8.8M
- 5

Paramount, CA · est. 1991
Petroleum Refineries
Small disadvantaged+1$43.6M
- 6

Chatsworth, CA · est. 2015
Machinery & Tooling
—
- 7

Orange, CA · est. 1991
Petroleum Refineries
$7.4M
- 8
Bakersfield, CA · est. 2002
Machinery & Tooling · Fabricated Metal
Small disadvantaged—
- 9

Lakeport, CA · est. 2003
Petroleum Refineries
$203K
- 10
Mountain View, CA · est. 2024
Industrial Chemicals & Gases · Primary Metals & Foundry
Small disadvantaged+1—
- 11
Mountain View, CA · est. 2025
Industrial Chemicals & Gases · Primary Metals & Foundry
Veteran-owned+1—
- 12
Alpine, CA · est. 2019
Petroleum Refineries
$17.6M
- 13
Diamond Bar, CA · est. 2017
Industrial Chemicals & Gases · Fabricated Metal
Small disadvantaged+3—
- 14
Coronado, CA · est. 2023
Industrial Chemicals & Gases
Small disadvantaged+2$23K
- 15
Field & Structural Services
Small disadvantaged+2—
1–15 of 15
Oil & Gas in other states
39 statesOther industries in California
42 verticals- Metal Fabrication1,854
- Instrumentation, Test & Measurement856
- Electronics727
- Aerospace644
- Medical Devices591
- Chemical Processing571
- Electrical Equipment & Components477
- Consumer Products426
- Semiconductor328
- Signage, Printing & Marking312
- Wire, Cable & Interconnect307
- Food & Beverage Processing302
- Textiles & Apparel298
- Optics & Photonics293
- Telecommunications292
- Renewable Energy (Solar & Wind)276
- Pharmaceutical272
- Industrial Machinery264
- Plastics & Rubber Products227
- Fasteners & Hardware205
- Pulp, Paper & Packaging192
- Robotics & Automation177
- Defense162
- Furniture144
- Marine & Shipbuilding135
- Building Products & Materials134
- Space & Satellite132
- HVAC & Refrigeration79
- Automotive74
- EV & Battery66
- Wood Products & Millwork62
- Lighting58
- Sporting Goods53
- Tanks, Vessels & Heat Exchangers49
- Firearms & Ammunition43
- Primary Metals & Foundry43
- Fluid Power & Hydraulics38
- Heavy Truck, Trailer & Vehicle Bodies35
- Water & Wastewater22
- Agricultural Equipment19
- Construction Equipment15
- Energy & Power Generation15
What buyers specify in oil & gas
3 requirements- 01Large-envelope turning and milling
- 02Pressure-rated and corrosion-resistant assemblies
- 03Renewable and energy-storage component supply
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