General business services
1,094 companies
SIC 7389
Companies in Hayward
Behind every street in Hayward sits a business. 26,571 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 1,094 companies, roughly 4% of everything that does business in the city.
26,571 businesses indexed
Ultra Clean Holdings, INC.Ultra Clean Holdings, 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 | Ultra Clean Holdings, INC. | USA | Hayward | 26462 Corporate Ave | Mariposa | 94545 | uct.***** | 2002 | $2,054,000,000 | 7,411 | Corporation | 78 | 3584745 |
| 2 | Pacific Cheese CO., INC. | USA | Hayward | 21090 Cabot Blvd | Mariposa | 94545-1110 | pacificcheese.***** | 1970 | $1,000,000,000 | 288 | Corporation | 3 | 0664353 |
| 3 | Ultra Clean Technology Systems And Service, INC. | USA | Hayward | 26462 Corporate Ave | Mariposa | 94545-3914 | uct.***** | 1991 | $474,004,112 | 2,017 | Corporation | 78 | 1692143 |
| 4 | Hayward Unified School District | USA | Hayward | 24411 Amador St | Mariposa | 94544-1376 | husd.***** | 1983 | $461,987,020 | 2,400 | Corporation | 49 | N/A |
| 5 | City Of Hayward | USA | Hayward | 777 B St | Mariposa | 94541-5007 | hayward-ca.***** | 1876 | $282,572,011 | 900 | Corporation | 21 | N/A |
| 6 | Arcus Biosciences, INC. | USA | Hayward | 3928 Point Eden Way | Mariposa | 94545-3719 | arcusbio.***** | 2015 | $247,000,000 | 627 | Corporation | 4 | 5738952 |
| 7 | Pentagon Technologies Group, INC. | USA | Hayward | 21031 Alexander Ct | Mariposa | 94545-1234 | pen-tec.***** | 2020 | $234,214,347 | 383 | Corporation | 264 | 5183618 |
| 8 | Rodan Builders, INC. | USA | Hayward | 3486 Investment Blvd # B | Mariposa | 94545-3811 | rodanbuilders.***** | 2004 | $181,255,674 | 250 | Corporation | N/A | 2714491 |
| 9 | Alcal Industries, INC. | USA | Hayward | 25823 Clawiter Rd | Mariposa | 94545-3217 | igate.***** | 2003 | $180,073,238 | 118 | Corporation | 15 | 2431693 |
| 10 | Mygrant Glass Company, INC. | USA | Hayward | 3271 Arden Rd | Mariposa | 94545 | mygrantglassonline.***** | 1926 | $168,979,658 | 600 | Corporation | 53 | 0537924 |
| 11 | Hayward Sisters Hospital | USA | Hayward | 27200 Calaroga Ave | Mariposa | 94545-4339 | strosehospital.***** | 2013 | $136,066,076 | 850 | Corporation | 11 | 0543588 |
| 12 | Morgan Advanced Ceramics, INC. | USA | Hayward | 2425 Whipple Rd | Mariposa | 94544-7807 | morgantechnicalceramics.***** | 1991 | $118,904,165 | 572 | Corporation | 150 | 5444191 |
| 13 | ST. Rose Hospital | USA | Hayward | 27200 Calaroga Ave | Mariposa | 94545-4383 | strosehospital.***** | 1955 | $111,592,015 | 820 | Corporation | 11 | 0297341 |
| 14 | Alameda Electric Supply | USA | Hayward | 3875 Bay Center Pl | Mariposa | 94545-3619 | alamedaelectric.***** | 1976 | $104,731,647 | 68 | Corporation | 15 | 0764682 |
| 15 | Medical Services, INC. | USA | Hayward | 11040 N State Road 77 | Sawyer | 54843 | ashlandmmc.***** | 1986 | $98,267,512 | 490 | Corporation | N/A | M 034575 |
| 16 | Shasta Beverages, INC. | USA | Hayward | 26901 Indl Blvd | Mariposa | 94545 | shastapop.***** | 1985 | $92,859,707 | 600 | Corporation | 69 | 2074885 |
| 17 | Mdc Precision, LLC | USA | Hayward | 30962 Santana St | Mariposa | 94544-7058 | mdcprecision.***** | 2005 | $88,288,986 | 415 | Corporation | 11 | 4032230 |
| 18 | Eden Housing, INC. | USA | Hayward | 22645 Grand St | Mariposa | 94541-5031 | edenhousing.***** | 1968 | $85,982,657 | 162 | Corporation | 32 | 0545088 |
| 19 | Eos IT Management Solutions INC. | USA | Hayward | 30826 Santana St | Mariposa | 94544-7060 | N/A | 2016 | $82,573,574 | 570 | Corporation | 13 | 5584068 |
| 20 | Alameda County Office Of Education | USA | Hayward | 313 W Winton Ave | Mariposa | 94544 | acoe.***** | 1976 | $81,478,396 | 252 | Corporation | 18 | N/A |
| 21 | Plastikon Industries | USA | Hayward | 687 Sandoval Way | Mariposa | 94544-7130 | plastikon.***** | 2010 | $80,050,037 | 500 | Corporation | 5 | 0920130 |
| 22 | Western Pacific Distributors Incorporated | USA | Hayward | 1739 Sabre St | Mariposa | 94545-1015 | teamwpd.***** | 1984 | $78,144,541 | 43 | Corporation | 6 | 0984980 |
| 23 | Hayward Area Recreation & Pk.dist | USA | Hayward | 1099 E St | Mariposa | 94541-5210 | haywardrec.***** | 1944 | $69,571,958 | 130 | Corporation | 12 | 942901655 |
| 24 | Ly Brothers CORPORATION | USA | Hayward | 1963 Sabre St | Mariposa | 94545-1021 | sugarbowlbakery.***** | 1984 | $61,152,411 | 260 | Corporation | 4 | 1826936 |
| 25 | California Hydronics CORPORATION | USA | Hayward | 2293 Tripaldi Way | Mariposa | 94545-5024 | chchydronics.***** | 1957 | $58,831,453 | 85 | Corporation | 13 | 0343539 |
Showing 25 of 26,571 companies
Request Free SampleLargest companies in Hayward
Which company is the largest in Hayward depends on how you measure. You can look at valuation, at revenue or at how many people work there. Valuations are private for most companies, so here we stick to revenue and headcount.
By revenue, Ultra Clean Holdings, INC. comes first in Hayward. It is part of a group with $2.1 billion in yearly revenue. By headcount, Ishida CORPORATION Of America comes first with 1,200 employees. We only looked at the 15,114 corporations in Hayward for this; sole traders, foundations and other legal forms are left out.
The two tables below show how all 26,571 companies in Hayward are spread across revenue and headcount bands.
Yearly revenue
49.5%of companies have less than $100,000 in yearly revenue
| Revenue (USD) | Count | Share |
|---|---|---|
| up to $100,000 | 13,141 | 49.5% |
| $100,000 to $500,000 | 9,711 | 36.5% |
| $500,000 to $1M | 804 | 3.0% |
| $1M to $5M | 645 | 2.4% |
| $5M to $10M | 133 | 0.5% |
| $10M to $50M | 112 | 0.4% |
| $50M to $100M | 12 | <0.1% |
| $100M to $500M | 12 | <0.1% |
| $1B or more | 2 | <0.1% |
| Unknown | 1,999 | 7.5% |
Headcount
85.7%of companies have 1 to 4 employees
| Employees | Count | Share |
|---|---|---|
| 1-4 | 22,769 | 85.7% |
| 5-9 | 2,042 | 7.7% |
| 10-19 | 726 | 2.7% |
| 20-49 | 495 | 1.9% |
| 50-99 | 190 | 0.7% |
| 100-199 | 78 | 0.3% |
| 200-499 | 41 | 0.2% |
| 500-999 | 11 | <0.1% |
| 1,000-4,999 | 3 | <0.1% |
| Unknown | 216 | 0.8% |
Source: business register and CompanyData. "Unknown" means no published figure.
Largest industries in Hayward
The biggest industry groups in Hayward by registered company count, with the top five companies by revenue in each.
Restaurants and eating places
930 companies
SIC 5812
General Contractors-Single-Family Houses
802 companies
SIC 1521
Local Trucking Without Storage
678 companies
SIC 4212
Transportation Services, Not Elsewhere Classified
636 companies
SIC 4789
Business Consulting Services, Not Elsewhere Classified
545 companies
SIC 8748
Real estate agents and managers
445 companies
SIC 6531
Operators of Nonresidential Buildings
427 companies
SIC 6512
All industries in Hayward
Together, general business services, restaurants and eating places and General Contractors-Single-Family Houses make up the top three industries in Hayward, accounting for 11% of the city's commercial activity. The oldest company we can find in Hayward is Saint Joseph's Catholic Church, founded in 1800, with Lac Courte Oreilles Band Of Lake Superior Chippewa Indians Of WI not far behind. They are still here, along with 26,569 other businesses in Hayward.
Warehouses, food producers and machine shops fill Hayward's flatlands by the bay, close enough to Oakland and Silicon Valley to serve both in a day. All of them are in our data. Look up a company in the table at the top of this page, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.
- Nonclassifiable Establishments3,793
- Business Services, Not Elsewhere Classified1,094
- Eating Places930
- General Contractors-Single-Family Houses802
- Local Trucking Without Storage678
- Transportation Services, Not Elsewhere Classified636
- Business Consulting Services, Not Elsewhere Classified545
- Real Estate Agents and Managers445
- Operators of Nonresidential Buildings427
- Beauty Shops402
- Other industries16,819
How you receive Hayward business data
Choose how you want to receive the data. Every company comes with 50+ fields, from address and industry to revenue and contact details, sourced from official United States business registers.
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Open the search toolFrequently Asked Questions
Common questions about searching, filtering, and ordering Hayward company data.
Our Hayward business directory currently lists every registered legal entity with a Hayward address in the official United States business register. The exact count is shown live at the top of this page.
Hayward 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 Hayward list never goes stale.
Yes. Every Hayward 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.
Excel (.xlsx), CSV, and JSON. For API customers, data is streamed as paginated JSON. Custom formats (Parquet, SQL dump) are available on request.
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).
Yes. Request a free 100-record sample of Hayward data and we will email it within one business day.
Yes. The full Hayward dataset is available through our REST API with the same filters as our directory builder. See our API page for pricing tiers.
Standard Excel and CSV directories are delivered within 24 hours. API access is provisioned within one business day. Rush delivery (same-day) is available on request.
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