MACHAON DIAGNOSTICS, INC. is a California corporation, registered on May 20, 2003. It is based at 2023 8TH STREET, BERKELEY, CA, 94710, United States. The company is currently listed as active on the California register, is registered under company number 2536680 and carries EIN 680553808. Its officers and directors on record include MICHAEL PENFIELD ERO, Michael Ero. It operates in medical and diagnostic laboratories (NAICS 62151). Public records for the company include 1 SoS registration, 1 license, 4 federal contracts, 3 loan records, 2 H-1B filings and 1 Medicare provider record. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | MACHAON DIAGNOSTICS, INC. |
|---|---|
| Principal address | 2023 8TH STREETBERKELEY94710CAUnited States |
| Mailing address | 2023 8TH STREET, BERKELEY, CA, 94710, US |
| Registration state | California |
| Status | Active |
| Registered | 20 May 2003 (over 23 years ago) |
| Officers & directors | MICHAEL PENFIELD ERO, officerMichael Ero, director |
| Entity type | Corporation |
| Standing | compliant |
| Company number |
|---|
| 2536680 |
| EIN | 680553808 |
|---|
| Industry | Medical and Diagnostic Laboratories · NAICS 62151 |
|---|
| Employees (modeled) | ≈56 employees2025 |
|---|
| H-1B filings | 2 LCA filings, FY 2021–2025 |
|---|
| Licenses on file | 1 |
|---|
| Registered agent | David Goldman |
|---|
| Source registry | California Secretary of State · updated 10 August 2026 |
|---|
| Public records | 1 SoS registration |
|---|
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| Est. annual revenue | $5M |
|---|---|
| Est. revenue (modeled) | $16.1M2025 |
| Federal contracts | $644K · 33 awards |
| SBA loans | $3.6M · approved amounts |
| Total obligated | $644K |
|---|---|
| Awards | 33 |
| Top agency | Department of Health and Human Services |
| Action date | Agency | Obligated | |
|---|---|---|---|
| 2026-06-23 | Department of Veterans Affairs | $-9847.5 | |
| 2026-06-23 | Department of Health and Human Services | $145K | |
| 2026-03-04 | Department of Health and Human Services | $145K | |
| 2026-01-22 | Department of Veterans Affairs | $0 | |
| 2026-01-22 | Department of Veterans Affairs | $13K | |
| 2025-09-15 | Department of Health and Human Services | $145K | |
| 2025-03-12 | Department of Veterans Affairs | $13K | |
| 2024-09-23 | Department of Veterans Affairs | $-7387.5 | |
| 2024-09-09 | Department of Health and Human Services | $145K | |
| 2024-05-13 | Department of Veterans Affairs | $0 | |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| CaliforniaTHIS | MACHAON DIAGNOSTICS, INC. | 2003-05-20 | David Goldman | MICHAEL PENFIELD EROOfficerMichael EroDirector | Active | |
Filing ID 2536680 Jurisdiction Domestic · Corporation Principal address 2023 8TH STREET, BERKELEY, CA, 94710, United States Registered agent David Goldman1111 BROADWAY, 24TH FLOOR, OAKLAND, CA, 94607 Officers MICHAEL PENFIELD EROOfficer Michael EroDirector | ||||||
| Florida | MACHAON DIAGNOSTICS, INC. | 2017-11-15 | C T CORPORATION SYSTEM | MICHAEL ERODirector, Officer | Inactive | |
| Louisiana | MACHAON DIAGNOSTICS, INC. | 2017-08-03 | PARACORP INCORPORATED | Michael EroOfficer, Director | Active | |
Companies and people linked to MACHAON DIAGNOSTICS, INC. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| — | 1669539243 | Medicare / NPI provider | 01/02/2007 | Unknown | |
| — | — | — | — | Unknown | |
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $2,622,000 | 2021-10-01 | — | — | EXEMPT | |
| $465,585 | 05/01/2020 | U.S. Bank, National Association | 36 | Paid in Full | |
| $547,289 | 02/18/2021 | U.S. Bank, National Association | 45 | Paid in Full | |
| Case | Filed | Job title | Wage | Worksite | Status | |
|---|---|---|---|---|---|---|
| I-200-25218-225819 | 2025-08-06 | Clinical Research Associate | $67,496/yr | Berkeley | Certified | |
| I-200-21265-600345 | 2021-09-22 | Clinical Research Scientist | $89,000/yr | Oakland | Certified | |
Employee-benefit plan filings by MACHAON DIAGNOSTICS, INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈56 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $16.1M |
| Retirement plan assets | $4.7M |
| Benefit plans | 401(k) plan on file |
| Filing history | 9 plan years filed, 2017–2025 |
| Sponsor EIN | 68-0553808 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈56 | 66 (50 active) | $4.7M | $16.1M | 401(k) | |
| 2024 | ≈50 | 59 (45 active) | $3.5M | $15.2M | 401(k) | |
| 2023 | ≈44 | 52 (40 active) | $2.5M | $13.1M | 401(k) | |
| 2022 | ≈38 | 44 (34 active) | $1.6M | $10.4M | 401(k) | |
| 2021 | ≈34 | 37 (31 active) | $1.5M | $9.4M | 401(k) | |
| 2020 | ≈29 | 29 (26 active) | $1M | $7.6M | 401(k) | |
| 2019 | ≈31 | 30 (28 active) | $649,361 | $7.5M | 401(k) | |
| 2018 | ≈17 | 15 (15 active) | $331,844 | $4.7M | 401(k) | |
| 2017 | ≈17 | 15 (15 active) | $125,322 | $3.2M | 401(k) | |
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Companies adjacent to MACHAON DIAGNOSTICS, INC. in the California Secretary of State register, in alphabetical order.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-06-07. Document getpalm-companies/0496-4298-6768.