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52 manufacturing — heavy employers in Maryland have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $25 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Maryland employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| LOCKHEED MARTIN CORPORATION | Manufacturing — Heavy | Self-funded | 106K | 2024 | Disclosed |
| CONSTELLIUM US HOLDINGS I, LLC | Manufacturing — Heavy | Self-funded | 4.2K | 2024 | Disclosed |
| EVAPCO INC | Manufacturing — Heavy | Self-funded | 2K | 2025 | Disclosed |
| GEA NORTH AMERICA, INC. | Manufacturing — Heavy | Self-funded | 1.3K | 2024 | Disclosed |
| KNORR BRAKE COMPANY, LLC | Manufacturing — Heavy | Self-funded | 1.2K | 2024 | Disclosed |
| DVCC, LLC | Manufacturing — Heavy | Self-funded | 1.1K | 2025 | Disclosed |
| THE ESAB GROUP, INC. | Manufacturing — Heavy | Self-funded | 1.1K | 2025 | Disclosed |
| MRA SYSTEMS, LLC | Manufacturing — Heavy | Self-funded | 972 | 2024 | Disclosed |
| XOMETRY, INC. | Manufacturing — Heavy | Fully insured | 814 | 2025 | Disclosed |
| STULZ AIR TECHNOLOGY SYSTEMS, INC. | Manufacturing — Heavy | Self-funded | 723 | 2025 | Disclosed |
| PEAK TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 708 | 2025 | Disclosed |
| PAUL REED SMITH GUITARS LIMITED PARTNERSHIP | Manufacturing — Heavy | Self-funded | 425 | 2022 | Disclosed |
| ELECTROMET CORPORATION | Manufacturing — Heavy | Fully insured | 408 | 2021 | Disclosed |
| INDEPENDENT CAN COMPANY | Manufacturing — Heavy | Self-funded | 363 | 2024 | Disclosed |
| BIZERBA USA, INC. | Manufacturing — Heavy | Self-funded | 351 | 2025 | Disclosed |
| BERETTA USA CORPORATION | Manufacturing — Heavy | Fully insured | 289 | 2025 | Disclosed |
| TCOM, L.P. | Manufacturing — Heavy | Self-funded | 279 | 2025 | Disclosed |
| ZENTECH MANUFACTURING, INC. | Manufacturing — Heavy | Self-funded | 279 | 2024 | Disclosed |
| SEAKEEPER, INC. | Manufacturing — Heavy | Self-funded | 256 | 2024 | Disclosed |
| POWERCON CORPORATION | Manufacturing — Heavy | Self-funded | 254 | 2025 | Disclosed |
| WRIGHT MANUFACTURING, INC. | Manufacturing — Heavy | Fully insured | 251 | 2025 | Disclosed |
| OWL CYBER DEFENSE SOLUTIONS LLC | Manufacturing — Heavy | Self-funded | 249 | 2025 | Disclosed |
| JOSEPH SMITH AND SONS INC. | Manufacturing — Heavy | Self-funded | 240 | 2024 | Disclosed |
| HYDRO ALUMINUM METALS, USA LLC | Manufacturing — Heavy | Self-funded | 204 | 2023 | Disclosed |
| ANTENNA RESEARCH ASSOCIATES, INC. | Manufacturing — Heavy | Self-funded | 197 | 2024 | Disclosed |
| ATLAS CONTAINER CORPORATION | Manufacturing — Heavy | Fully insured | 197 | 2024 | Disclosed |
| G3 TECHNOLOGIES INC | Manufacturing — Heavy | Self-funded | 182 | 2024 | Disclosed |
| DS PIPE & STEEL SUPPLY LLC | Manufacturing — Heavy | Fully insured | 158 | 2024 | Disclosed |
| RIDGE ENGINEERING, LLC | Manufacturing — Heavy | Fully insured | 155 | 2024 | Disclosed |
| FREQUENTIS USA HOLDINGS | Manufacturing — Heavy | Fully insured | 152 | 2025 | Disclosed |
| PARAMOUNT DIE CO. INC | Manufacturing — Heavy | Self-funded | 151 | 2024 | Disclosed |
| SUN AUTOMATION INC. | Manufacturing — Heavy | Self-funded | 150 | 2025 | Disclosed |
| ABICOR BINZEL, USA, INC. | Manufacturing — Heavy | Fully insured | 149 | 2024 | Disclosed |
| ADVANCED PROGRAMS, INC. | Manufacturing — Heavy | Self-funded | 141 | 2025 | Disclosed |
| GILLESPIE AND SON, INC | Manufacturing — Heavy | Fully insured | 133 | 2024 | Disclosed |
| LEAP, LLC | Manufacturing — Heavy | Fully insured | 131 | 2024 | Disclosed |
| OWL CYBER DEFENSE SOLUTIONS LLC | Manufacturing — Heavy | Fully insured | 131 | 2023 | Disclosed |
| WHISKER LABS | Manufacturing — Heavy | Self-funded | 130 | 2025 | Disclosed |
| MACHINING TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | 127 | 2023 | Disclosed |
| C R DANIELS INC | Manufacturing — Heavy | Fully insured | 119 | 2025 | Disclosed |
| EQUIPMENT DEVELOPMENT CO., INC | Manufacturing — Heavy | Fully insured | 114 | 2024 | Disclosed |
| MISCELLANEOUS METALS, INC. | Manufacturing — Heavy | Self-funded | 110 | 2025 | Disclosed |
| MILLER REFRIGERATION, INC. | Manufacturing — Heavy | Fully insured | 96 | 2023 | Disclosed |
| C-CARE COMPANY, LLC | Manufacturing — Heavy | Self-funded | 95 | 2024 | Disclosed |
| THE WHALEN COMPANY | Manufacturing — Heavy | Self-funded | 93 | 2023 | Disclosed |
| ORION SAFETY PRODUCTS | Manufacturing — Heavy | Self-funded | 93 | 2023 | Disclosed |
| ELLICOTT DREDGES, LLC | Manufacturing — Heavy | Self-funded | 91 | 2021 | Disclosed |
| PRITCHARD BROWN LLC | Manufacturing — Heavy | Fully insured | 83 | 2024 | Disclosed |
| JAMISON DOOR COMPANY | Manufacturing — Heavy | Self-funded | 61 | 2024 | Disclosed |
| PATTON, LLC | Manufacturing — Heavy | Self-funded | 30 | 2025 | Disclosed |
| PATTON ELECTRONICS COMPANY | Manufacturing — Heavy | Self-funded | 21 | 2022 | Disclosed |
| PHENIX TECHNOLOGIES, INC. | Manufacturing — Heavy | Self-funded | — | 2021 | 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.