General business services
1,504 companies
SIC 7389
Companies in Simi Valley
Behind every street in Simi Valley sits a business. 19,954 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 1,504 companies, roughly 8% of everything that does business in the city.
19,954 businesses indexed
Howmet Global Fastening Systems INC.Howmet Global Fastening Systems INC.
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Howmet Global Fastening Systems INC. | USA | Simi Valley | 3990a Heritage Oak Ct | Ventura | 93063-6711 | alcoa.***** | 2002 | $1,113,142,989 | 4,630 | Corporation | 348 | 2107386 |
| 2 | Meggitt-Usa, INC. | USA | Simi Valley | 1955 Surveyor Ave | Ventura | 93063-3369 | meggitt.***** | 2005 | $317,204,985 | 700 | Corporation | 1160 | 0904110 |
| 3 | Simi Valley Unified School District | USA | Simi Valley | 101 W Cochran St | Ventura | 93065-6217 | simivalleyusd.***** | 1935 | $317,056,690 | 1,250 | Corporation | 31 | 1329956 |
| 4 | Simi Valley Hospital And Health Care Services | USA | Simi Valley | 2975 Sycamore Dr | Ventura | 93065-1201 | adventisthealth.***** | 1960 | $218,575,144 | 824 | Corporation | 247 | 0397457 |
| 5 | Adventist Health Simi Valley | USA | Simi Valley | 2975 Sycamore Dr | Ventura | 93065-1201 | adventisthealth.***** | 2020 | $214,002,509 | 1 | N/A | N/A | |
| 6 | Chatsworth Products, INC. | USA | Simi Valley | 4175 Guardian St | Ventura | 93063-3382 | chatsworth.***** | 1990 | $101,456,649 | 460 | Corporation | 8 | 2240203 |
| 7 | Pacific Onesource, INC. | USA | Simi Valley | 130 W Cochran St Ste A | Ventura | 93065-6272 | stseducation-us.***** | 2009 | $101,207,454 | 82 | Corporation | 2 | 3137173 |
| 8 | Rapattoni CORPORATION | USA | Simi Valley | 98 W Cochran St Ste A | Ventura | 93065-6218 | rapattoni.***** | 1970 | $54,312,464 | 145 | Corporation | 985 | 0605466 |
| 9 | Pacific Scientific Company INC | USA | Simi Valley | 1785 Voyager Ave | Ventura | 93063-3363 | meggitt.***** | 2011 | $53,316,171 | 500 | Corporation | 1160 | N/A |
| 10 | The Andwin CORPORATION | USA | Simi Valley | 167 W Cochran St | Ventura | 93065-6217 | andwincorp.***** | 1950 | $48,935,656 | 110 | Corporation | 4 | 0242048 |
| 11 | Poly-Tainer, INC. | USA | Simi Valley | 450 W Los Angeles Ave | Ventura | 93065-1646 | polytainer.***** | 1970 | $47,825,518 | 290 | Corporation | 2 | 0595702 |
| 12 | The Ronald Reagan Presidential Foundation And Institute | USA | Simi Valley | 40 Presidential Dr Ste 200 | Ventura | 93065-0600 | reaganfoundation.***** | 1985 | $46,003,934 | 70 | Corporation | N/A | 1269144 |
| 13 | California Virtual Academy At San Joaquin | USA | Simi Valley | 50 Moreland Rd | Ventura | 93065-1659 | caliva.***** | 2019 | $42,265,235 | 95 | Corporation | N/A | N/A |
| 14 | Ricoh Printing Systems America, INC. | USA | Simi Valley | 2390 Ward Ave Ste A | Ventura | 93065-1897 | rpsa.***** | 2004 | $30,221,368 | 800 | Corporation | 1946 | 0430273 |
| 15 | O'bryant Electric, INC. | USA | Simi Valley | 110 W Cochran St | Ventura | 93065 | obryantelectric.***** | 1978 | $28,817,025 | 200 | Corporation | 3 | 0938526 |
| 16 | P.Q.L., INC. | USA | Simi Valley | 2285 Ward Ave | Ventura | 93065-1863 | pqlighting.***** | 1999 | $28,172,248 | 108 | Corporation | 4 | 2143372 |
| 17 | Am-Pac Tire Dist. INC. | USA | Simi Valley | 51 Moreland Rd | Ventura | 93065-1662 | N/A | 1998 | $24,582,033 | 300 | Corporation | 232 | N/A |
| 18 | P.W. Gillibrand CO., INC. | USA | Simi Valley | 4537 Ish Dr | Ventura | 93063-7667 | pwgillibrand.***** | 1957 | $24,250,377 | 75 | Corporation | 4 | 3525091 |
| 19 | S T E U INC | USA | Simi Valley | 1625 Surveyor Ave | Ventura | 93063-3387 | vistapro.***** | 1985 | $22,750,138 | 30 | Corporation | N/A | 1764417 |
| 20 | Coast To Coast Computer Products, INC. | USA | Simi Valley | 4277 Valley Fair St | Ventura | 93063-2940 | coastcoast.***** | 1989 | $22,709,090 | 110 | Corporation | 2 | 1468886 |
| 21 | California Virtual Academy At Fresno | USA | Simi Valley | 50 Moreland Rd | Ventura | 93065-1659 | caliva.***** | 2019 | $22,385,485 | 36 | Corporation | N/A | 3506104 |
| 22 | California Virtual Academy At Sutter | USA | Simi Valley | 50 Moreland Rd | Ventura | 93065-1659 | iqacademyca.***** | 2009 | $22,244,933 | 60 | Corporation | N/A | 2847582 |
| 23 | Pharmaceutic Litho & Label Company, INC. | USA | Simi Valley | 3990 Royal Ave | Ventura | 93063-3380 | pharmaceuticlitho.***** | 2023 | $21,154,694 | 85 | Corporation | 55 | C2877-1999 |
| 24 | Iq Academy, California - Los Angeles | USA | Simi Valley | 50 Moreland Rd | Ventura | 93065-1659 | iqacademyca.***** | 2009 | $19,784,629 | 19 | Corporation | N/A | 3199348 |
| 25 | American Vision Windows, INC. | USA | Simi Valley | 2125 N Madera Rd Ste A | Ventura | 93065-7709 | americanvisionwindows.***** | 1999 | $19,490,175 | 215 | Corporation | N/A | 2185718 |
Showing 25 of 19,954 companies
Request Free SampleLargest industries in Simi Valley
The biggest industry groups in Simi Valley by registered company count, with the top five companies by revenue in each.
General Contractors-Single-Family Houses
721 companies
SIC 1521
Business Consulting Services, Not Elsewhere Classified
687 companies
SIC 8748
Restaurants and eating places
547 companies
SIC 5812
Real estate agents and managers
422 companies
SIC 6531
Plumbing, Heating and Air-Conditioning
351 companies
SIC 1711
Operators of Nonresidential Buildings
318 companies
SIC 6512
Investors, Not Elsewhere Classified
287 companies
SIC 6799
All industries in Simi Valley
Together, general business services, General Contractors-Single-Family Houses and Business Consulting Services, Not Elsewhere Classified make up the top three industries in Simi Valley, accounting for 15% of the city's commercial activity. The oldest company we can find in Simi Valley is United Methodist Church INC, founded in 1889. They're still here, along with hundreds of thousands of others.
Best known outside California for the Reagan Presidential Library, Simi Valley earns its living closer to home, through contractors, healthcare offices, light manufacturing and neighborhood retail. All of them are in our data. Search Simi Valley businesses in the live tool below, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.
- Nonclassifiable Establishments2,459
- Business Services, Not Elsewhere Classified1,504
- General Contractors-Single-Family Houses721
- Business Consulting Services, Not Elsewhere Classified687
- Eating Places547
- Real Estate Agents and Managers422
- Plumbing, Heating and Air-Conditioning351
- Operators of Nonresidential Buildings318
- Investors, Not Elsewhere Classified287
- Management Consulting Services285
- Other industries12,373
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Common questions about searching, filtering, and ordering Simi Valley company data.
Our Simi Valley business directory currently lists every registered legal entity with a Simi Valley address in the official United States business register. The exact count is shown live at the top of this page.
Simi Valley records are sourced directly from the official United States business register and enriched with 50+ data points: revenue, employees, industry codes, contact details, and ownership.
Core registry fields are refreshed weekly. Enriched fields (revenue, employees, contact) are refreshed monthly so your Simi Valley list never goes stale.
Yes. Every Simi Valley record is tagged with SIC industry codes. You can request your directory filtered by one or several SIC codes, employee size bands, or revenue thresholds.
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Yes. We only deliver legal-entity data and publicly listed business contact details. We do not include personal data of natural persons unless required by the company register itself (e.g. sole traders).
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