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21 manufacturing — heavy employers in Maine have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $18 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Maine employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| IDEXX LABORATORIES, INC. | Manufacturing — Heavy | Self-funded | 6.7K | 2025 | Disclosed |
| MAINE MACHINE PRODUCTS COMPANY | Manufacturing — Heavy | Self-funded | 1.5K | 2023 | Disclosed |
| ALCOM, LLC | Manufacturing — Heavy | Self-funded | 844 | 2025 | Disclosed |
| NITTO DENKO AVECIA INC. | Manufacturing — Heavy | Self-funded | 591 | 2022 | Disclosed |
| ELMET TECHNOLOGIES LLC | Manufacturing — Heavy | Self-funded | 385 | 2025 | Disclosed |
| AMERICAN RHEINMETALL DEFENSE INC. | Manufacturing — Heavy | Self-funded | 338 | 2025 | Disclosed |
| MATHEWS BROTHERS COMPANY | Manufacturing — Heavy | Fully insured | 330 | 2025 | Disclosed |
| HUSSEY CORPORATION | Manufacturing — Heavy | Self-funded | 316 | 2025 | Disclosed |
| NICHOLS PORTLAND, LLC | Manufacturing — Heavy | Self-funded | 292 | 2023 | Disclosed |
| SOUTHWORTH INTERNATIONAL GROUP, INC. | Manufacturing — Heavy | Self-funded | 288 | 2024 | Disclosed |
| MACNEILL PRIDE GROUP DBA GATHR OUTDOORS | Manufacturing — Heavy | Self-funded | 288 | 2025 | Disclosed |
| SABRE YACHTS | Manufacturing — Heavy | Self-funded | 248 | 2025 | Disclosed |
| LANCO ASSEMBLY SYSTEMS INC | Manufacturing — Heavy | Self-funded | 231 | 2024 | Disclosed |
| HELFRICH BROS BOILER WORKS, INC. | Manufacturing — Heavy | Self-funded | 215 | 2024 | Disclosed |
| ENERCON TECHNOLOGIES | Manufacturing — Heavy | Self-funded | 191 | 2024 | Disclosed |
| M.S. AMBROGIO NORTH AMERICA LLC | Manufacturing — Heavy | Self-funded | 175 | 2024 | Disclosed |
| MODULA INC | Manufacturing — Heavy | Fully insured | 162 | 2025 | Disclosed |
| THE BAKER COMPANY, INC. | Manufacturing — Heavy | Self-funded | 121 | 2025 | Disclosed |
| FHC, INC. | Manufacturing — Heavy | Self-funded | 111 | 2024 | Disclosed |
| CASCO BAY STEEL STRUCTURES, INC. | Manufacturing — Heavy | Fully insured | 103 | 2024 | Disclosed |
| FLEMISH MASTER WEAVERS, INC. | Manufacturing — Heavy | Fully insured | 98 | 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.