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828 manufacturing — heavy employers in California have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $37 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all California employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| ROBERT BOSCH SEMICONDUCTOR LLC | Manufacturing — Heavy | Self-funded | 300 | 2025 | Disclosed |
| LEEMAH CORPORATION | Manufacturing — Heavy | Self-funded | 300 | 2022 | Disclosed |
| CAR SOUND EXHAUST SYSTEM, INC. | Manufacturing — Heavy | Self-funded | 300 | 2025 | Disclosed |
| ELECTRIC HYDROGEN | Manufacturing — Heavy | Self-funded | 296 | 2024 | Disclosed |
| DAICEL AMERICA HOLDINGS, INC. | Manufacturing — Heavy | Self-funded | 295 | 2024 | Disclosed |
| ECONOLITE CONTROL PRODUCTS | Manufacturing — Heavy | Self-funded | 291 | 2025 | Disclosed |
| INTEGRA TECHNOLOGIES SILICON VALLEY LLC | Manufacturing — Heavy | Self-funded | 290 | 2025 | Disclosed |
| CERTIFIED STAINLESS SERVICES, INC. | Manufacturing — Heavy | Self-funded | 290 | 2024 | Disclosed |
| SUNRIDER CORPORATION | Manufacturing — Heavy | Self-funded | 287 | 2024 | Disclosed |
| MEDICAL DEVICE COMPONENTS, LLC | Manufacturing — Heavy | Self-funded | 287 | 2024 | Disclosed |
| WAGEPAY, LLC | Manufacturing — Heavy | Fully insured | 286 | 2024 | Disclosed |
| GUTHY-RENKER VENTURES, LLC | Manufacturing — Heavy | Self-funded | 284 | 2022 | Disclosed |
| COUNTER BRANDS, LLC DBA BEAUTYCOUNTER | Manufacturing — Heavy | Self-funded | 284 | 2022 | Disclosed |
| ELMA ELECTRONIC INC. | Manufacturing — Heavy | Fully insured | 283 | 2024 | Disclosed |
| EPC POWER CORP | Manufacturing — Heavy | Self-funded | 283 | 2025 | Disclosed |
| TCP HFC, INC. | Manufacturing — Heavy | Self-funded | 283 | 2023 | Disclosed |
| RF INDUSTRIES, LTD | Manufacturing — Heavy | Fully insured | 283 | 2025 | Disclosed |
| RAPID MANUFACTURING | Manufacturing — Heavy | Fully insured | 283 | 2024 | Disclosed |
| HADRIAN AUTOMATION INC. | Manufacturing — Heavy | Self-funded | 281 | 2025 | Disclosed |
| LAWRENCE EQUIPMENT, INC. | Manufacturing — Heavy | Fully insured | 281 | 2025 | Disclosed |
| TRAFFIX DEVICES INC. | Manufacturing — Heavy | Self-funded | 280 | 2025 | Disclosed |
| BOURNS, INC. | Manufacturing — Heavy | Self-funded | 279 | 2025 | Disclosed |
| THE PEGGS COMPANY, INC. | Manufacturing — Heavy | Fully insured | 278 | 2021 | Disclosed |
| CHRISTIE DIGITAL USA, INC. | Manufacturing — Heavy | Self-funded | 277 | 2024 | Disclosed |
| E.S. KLUFT & COMPANY, INC. | Manufacturing — Heavy | Self-funded | 277 | 2025 | Disclosed |
| PROTERRA POWERED LLC | Manufacturing — Heavy | Self-funded | 277 | 2025 | Disclosed |
| AMERICAN AUTOMATED ENGINEERING, INC. | Manufacturing — Heavy | Fully insured | 276 | 2023 | Disclosed |
| MEYER SOUND LABORATORIES, INC. | Manufacturing — Heavy | Self-funded | 275 | 2025 | Disclosed |
| MOTORCAR PARTS OF AMERICA, INC. | Manufacturing — Heavy | Self-funded | 273 | 2024 | Disclosed |
| VIEWSONIC CORPORATION | Manufacturing — Heavy | Self-funded | 273 | 2025 | Disclosed |
| FISKER GROUP, INC. | Manufacturing — Heavy | Self-funded | 272 | 2021 | Disclosed |
| FLEETWOOD ALUMINUM PRODUCTS, LLC | Manufacturing — Heavy | Self-funded | 270 | 2024 | Disclosed |
| SCALED COMPOSITES, LLC | Manufacturing — Heavy | Self-funded | 268 | 2023 | Disclosed |
| DOOR COMPONENTS INC | Manufacturing — Heavy | Self-funded | 268 | 2024 | Disclosed |
| WEST COAST STEEL & PROCESSING, LLC | Manufacturing — Heavy | Fully insured | 267 | 2021 | Disclosed |
| QUANTUM DESIGN INTERNATIONAL, INC. | Manufacturing — Heavy | Self-funded | 267 | 2024 | Disclosed |
| KINGS OIL TOOLS, INC. | Manufacturing — Heavy | Fully insured | 266 | 2025 | Disclosed |
| SIENTRA, INC. | Manufacturing — Heavy | Self-funded | 263 | 2023 | Disclosed |
| SCITON, INC. | Manufacturing — Heavy | Fully insured | 263 | 2024 | Disclosed |
| KIOXIA AMERICA, INC. | Manufacturing — Heavy | Self-funded | 263 | 2025 | Disclosed |
| GORILLA CIRCUITS | Manufacturing — Heavy | Self-funded | 261 | 2025 | Disclosed |
| RTC AEROSPACE CHATSWORTH | Manufacturing — Heavy | Fully insured | 260 | 2024 | Disclosed |
| UNIGEN CORPORATION | Manufacturing — Heavy | Fully insured | 260 | 2025 | Disclosed |
| SATCO, INC. | Manufacturing — Heavy | Self-funded | 259 | 2024 | Disclosed |
| J.C.M. INDUSTRIES, INC. | Manufacturing — Heavy | Self-funded | 259 | 2025 | Disclosed |
| YOUNGER MANUFACTURING COMPANY | Manufacturing — Heavy | Fully insured | 257 | 2024 | Disclosed |
| AEROSPACE SERVICE AND CONTROLS | Manufacturing — Heavy | Self-funded | 257 | 2024 | Disclosed |
| TSI SEMICONDUCTORS LLC | Manufacturing — Heavy | Self-funded | 256 | 2022 | Disclosed |
| NOAH MEDICAL CORPORATION | Manufacturing — Heavy | Self-funded | 254 | 2025 | Disclosed |
| AMBARELLA CORPORATION | Manufacturing — Heavy | Self-funded | 253 | 2025 | Disclosed |
| REFLEXION MEDICAL | Manufacturing — Heavy | Self-funded | 252 | 2024 | Disclosed |
| NEILL AIRCRAFT COMPANY | Manufacturing — Heavy | Fully insured | 252 | 2025 | Disclosed |
| VELODYNE LIDAR USA, INC. | Manufacturing — Heavy | Self-funded | 251 | 2023 | Disclosed |
| AUTOMOTIVE RACING PRODUCTS, INC. | Manufacturing — Heavy | Fully insured | 251 | 2025 | Disclosed |
| SMA AMERICA HOLDINGS | Manufacturing — Heavy | Self-funded | 250 | 2025 | Disclosed |
| LAMBDA, INC. | Manufacturing — Heavy | Self-funded | 249 | 2024 | Disclosed |
| RAMKO MFG, INC. | Manufacturing — Heavy | Fully insured | 248 | 2024 | Disclosed |
| IMG COMPANIES, LLC | Manufacturing — Heavy | Self-funded | 247 | 2021 | Disclosed |
| FORREST MACHINING, INC. | Manufacturing — Heavy | Self-funded | 247 | 2024 | Disclosed |
| INVENSENSE, INC. | Manufacturing — Heavy | Self-funded | 246 | 2024 | Disclosed |
| KNT MANUFACTURING EMPLOYEE BENEFIT PLAN | Manufacturing — Heavy | Fully insured | 246 | 2025 | Disclosed |
| MERIT ALUMINUM INC. | Manufacturing — Heavy | Fully insured | 245 | 2022 | Disclosed |
| PHOENIX CARS, LLC | Manufacturing — Heavy | Self-funded | 243 | 2024 | Disclosed |
| MURRIETTA CIRCUITS | Manufacturing — Heavy | Fully insured | 242 | 2024 | Disclosed |
| HOME FRANCHISE CONCEPTS, LLC | Manufacturing — Heavy | Self-funded | 240 | 2025 | Disclosed |
| PYRO-COMM SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 239 | 2025 | Disclosed |
| WET ENTERPRISES, INC. | Manufacturing — Heavy | Fully insured | 239 | 2024 | Disclosed |
| TURNTIDE TECHNOLOGIES | Manufacturing — Heavy | Fully insured | 236 | 2022 | Disclosed |
| UNIVERSAL AUDIO, INC. | Manufacturing — Heavy | Self-funded | 236 | 2025 | Disclosed |
| MOTOR TREND GROUP, LLC | Manufacturing — Heavy | Fully insured | 236 | 2025 | Disclosed |
| DANA INNOVATIONS, INC. DBA SONANCE | Manufacturing — Heavy | Self-funded | 235 | 2025 | Disclosed |
| OMNIA LEATHER | Manufacturing — Heavy | Fully insured | 235 | 2024 | Disclosed |
| INDUSTRIAL DYNAMICS COMPANY, LTD | Manufacturing — Heavy | Self-funded | 235 | 2024 | Disclosed |
| KINKISHARYO INTERNATIONAL, LLC | Manufacturing — Heavy | Self-funded | 234 | 2024 | Disclosed |
| AVITA MEDICAL AMERICAS, LLC | Manufacturing — Heavy | Self-funded | 234 | 2025 | Disclosed |
| CALAMP CORP. | Manufacturing — Heavy | Self-funded | 234 | 2024 | Disclosed |
| JBI, LLC | Manufacturing — Heavy | Fully insured | 232 | 2024 | Disclosed |
| LUMENIS BE, INC. | Manufacturing — Heavy | Self-funded | 232 | 2024 | Disclosed |
| CUTERA, INC. | Manufacturing — Heavy | Self-funded | 231 | 2025 | Disclosed |
| CARAN PRECISION ENGINEERING AND MANUFACTURING CORPORATION | Manufacturing — Heavy | Self-funded | 231 | 2025 | Disclosed |
| PRESIDIO COMPONENTS, INC. | Manufacturing — Heavy | Self-funded | 231 | 2025 | Disclosed |
| AECHELON TECHNOLOGY, INC. | Manufacturing — Heavy | Self-funded | 230 | 2025 | Disclosed |
| ELITE METAL FINISHING LLC | Manufacturing — Heavy | Fully insured | 230 | 2024 | Disclosed |
| IHEALTH LABS INC | Manufacturing — Heavy | Self-funded | 229 | 2025 | Disclosed |
| DUNLOP MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 229 | 2025 | Disclosed |
| NAVIEN, INC. | Manufacturing — Heavy | Self-funded | 226 | 2024 | Disclosed |
| APEX TECHNOLOGY, INC. | Manufacturing — Heavy | Fully insured | 225 | 2025 | Disclosed |
| AEROSPACE TECHNOLOGIES GROUP, INC. | Manufacturing — Heavy | Fully insured | 224 | 2025 | Disclosed |
| KARMA AUTOMOTIVE, INC. | Manufacturing — Heavy | Self-funded | 223 | 2025 | Disclosed |
| NORITZ AMERICA CORPORATION | Manufacturing — Heavy | Self-funded | 222 | 2025 | Disclosed |
| FRESNO VALVES & CASTINGS HEALTH & WELFARE PLAN | Manufacturing — Heavy | Self-funded | 222 | 2024 | Disclosed |
| D&D GEAR, INC. | Manufacturing — Heavy | Fully insured | 222 | 2024 | Disclosed |
| WESTMONT INDUSTRIES | Manufacturing — Heavy | Self-funded | 222 | 2024 | Disclosed |
| NAGRA USA, LLC | Manufacturing — Heavy | Self-funded | 220 | 2025 | Disclosed |
| ASSOCIATED CONSTRUCTION AND ENGINEERING, INC. | Manufacturing — Heavy | Self-funded | 220 | 2025 | Disclosed |
| RPS HOLDINGS, INC. | Manufacturing — Heavy | Self-funded | 220 | 2025 | Disclosed |
| MITAC COMPUTING TECHNOLOGY USA CORPORATION | Manufacturing — Heavy | Self-funded | 220 | 2025 | Disclosed |
| REULAND ELECTRIC CO. | Manufacturing — Heavy | Self-funded | 220 | 2025 | Disclosed |
| TOWNSEND INDUSTRIES, INC. | Manufacturing — Heavy | Fully insured | 219 | 2022 | Disclosed |
| FLUID COMPONENTS INTERNATIONAL LLC | Manufacturing — Heavy | Fully insured | 219 | 2024 | Disclosed |
Sourced from Form 5500 filings as submitted to the U.S. Department of Labor. Dataset refreshed October 7, 2026. Plan years are labeled by the year they begin, so a July 2024 – June 2025 plan year is 2024. Filings may lag 12–18 months behind the current plan year.