Diprima Insurance Services, Inc.
Westlake Village, CA
Diprima Insurance Services, Inc. of Westlake Village, CA is the broker of record on 4 Form 5500 Schedule A filings covering 3 employer benefit plans across 2 states, with $485,812 in reported broker commissions (plan year 2025).
Employer clients
Plan sponsors naming Diprima Insurance Services, Inc. on a Form 5500 Schedule A, largest first. Sponsor name, state, participant count and plan year end come directly from the filing.
| Employer | State | Participants | Plan year end |
|---|---|---|---|
| Auto Town, Inc. Dba Toyota Town | CA | 360 | 2026-01-31 |
| Auto Town, Inc. Dba Toyota Town | CA | 337 | 2025-01-31 |
| Professional Piping Systems, LLC | AZ | 132 | 2025-04-30 |
Know who holds the account, and when it renews.
Every US employer benefit plan with its broker of record, reported commissions, participant count and renewal date — from Form 5500 Schedule A, joined to funding rounds, executive hires and layoff notices.
Other benefits brokers in California
Form 5500 Schedule A Part 1 (broker of record), 2024–2025 plan years. Source: U.S. Department of Labor EFAST2. Commission and fee figures are as reported by the plan's insurer on Schedule A Part 1 and are not adjusted.