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V O L . X X X I N O. V M A R C H 1 0 , 2 0 2 5 22 T H E L I S T C O M P I L E D B Y S T E P H A N I E M E A G H E R C O M P I L E D B Y S T E P H A N I E M E A G H E R Purchase this list and more as an Excel document at mainebiz.biz/DataCenter @ Maine's largest life sciences companies Ranked by number of Maine employees Company Maine-based employees/ companywide employees/ Maine locations Products & services Head of company/ year founded 1 IDEXX Laboratories Inc. 1 IDEXX Drive , Westbrook 04092 556-0300 • idexx.com 3,200 N/A 2 Biotechnology diagnostics and research Jonathan (Jay) Mazelsky president & CEO 1983 2 The Jackson Laboratory 600 Main St. , Bar Harbor 04609 288-6000 • jax.org 1,718 3,000 3 Biomedical research to discover precise genomic solutions for disease Lon Cardon president & CEO 1929 3 Puritan Medical Products 31 School St., P.O. Box 149 , Guilford 04443 876-3311 • puritanmedproducts.com 475 480 4 Swabs and single-use specimen collection devices for healthcare, diagnostics, forensics, controlled environments and environmental sciences Robert Shultz president & CFO 1919 4 Molnlycke Manufacturing U.S. LLC 1 192 Admiral Fitch Ave. , Brunswick 04011 607-4900 • molnlycke.us 250 2 8,427 2 Medical devices for wound treatment with medical-grade polyurethane foam, Mepilex foam dressings, pressure ulcer prevention dressings, Z- Flo customizable fluidized pressure redistribution devices Gerard Doyle general manager, U.S. 1849 5 Baker Co. 175 Gatehouse Road , Sanford 04073 324-8773 • bakerco.com 150 3 N/A 1 Biological safety cabinets, clean benches, microbiological incubators David Eagleson CEO Dan Eagleson president, U.S. 1951 5 LGC Clinical Diagnostics 221 U.S. Route 1 , Cumberland Foreside 04110 800-377-9684 • mainestandards.com 150 N/A 1 In vitro diagnostic manufacturing Ken Yoon Bharathi Anekella executive VPs & general managers 2015 7 Envirologix Inc. 500 Riverside Industrial Parkway , Portland 04103 797-0300 • envirologix.com 130 4 N/A 1 Development of rapid GMO and mycotoxin detection technology Bill Welch president & CEO Will Silton general manager, North America 1996 8 MDI Biological Laboratory 159 Old Bar Harbor Road , Salisbury Cove 04672 288-9880 • mdibl.org 118 118 1 Ten research groups working on diseases such as ALS, cancer and chronic kidney disease to unlock powers of regeneration and tissue repair and protect against environmental toxins 5 Hermann Haller president & CEO 1898 9 Bigelow Laboratory For Ocean Sciences 60 Bigelow Drive , East Boothbay 04544 315-2567 • bigelow.org 105 110 1 Independent, nonprofit research institute to study foundation of global ocean health for potential life sciences solutions Deborah Bronk president & CEO 1974 10 Strainrite Cos. 65 First Flight Drive , Auburn 04211 376-1600 • strainrite.com 85 N/A 1 Filtration products Alan Lapoint president 1978 11 Maine Molecular Quality Controls Inc. (MMQCI) 23 Mill Brook Road , Saco 04072 885-1072 • mmqci.com 81 81 1 Design and marketing of molecular controls for inherited disease testing, infectious disease detection and oncology testing Joan H. Gordon president 2000 12 Northeast Laboratory Services 227 China Road , Winslow 04901 873-7711 • nelabservices.com 70 4 70 2 Manufacturing of prepared culture media products used in microbiological analysis with analytical testing laboratory for water, food and indoor air quality samples Melissa Higgins general manager 1972 13 ImmuCell 56 Evergreen Drive , Portland 04103 878-2770 • immucell.com 66 80 3 Development, manufacture and sale of products to improve the health and productivity of dairy and beef cattle Michael F. Brigham president & CEO 1982 14 Fluid Imaging Technologies Inc. 200 Enterprise Drive , Scarborough 04074 289-3200 • fluidimaging.com 54 N/A 1 Design and manufacture of flow imaging microscopy solutions to characterize sub-visible particles in life science applications Ross Bryant president & CEO 1999 15 Grover Precision 59 Industrial Drive , Oxford 04270 743-7051 • groverprecision.com 45 N/A 1 Thick-walled tubing in implant-grade and other medical and surgical materials Tony Dehart director of sales & marketing 1983 16 Steel-Pro Inc. 771 Main St. , Rockland 04841 596-0061 • steelprousa.com 40 40 1 Stainless steel and exotic alloy biopharmaceutical equipment manufacturing and more Steve Ladd president & CEO 1978 17 MedRhythms Inc. 183 Middle St. , Portland 04101 617-356-7822 • medrhythms.com 20 37 1 Medical devices Brian Harris CEO 2015 SOURCE: Each company via survey as of Q1 2025, Maine Center for Workforce Research and Information, public filings and Bioscience Association of Maine, biomaine.org NOTE: Unable to confirm data by press time for Kennebunk's Corning Inc. Life Sciences or Scarborough's Abbott. Portland's Covetrus last reported 277 Maine-based employees in September 2023, prior to a restructuring; unable to confirm more recent data by press time. 1 Pronounced 'Mon-licka' 2 Data from Q4 2024 3 Data from Q3 2024 4 Data from Q1 2024 5 Also, leads a network of 17 research and higher education institutions in Maine to provide research experience and financial support for undergraduates and early-career faculty - This list was compiled by Stephanie R. Meagher and published in the March 10, 2025, issue of Mainebiz. 1 Pronounced 'Mon-licka' 2 Data from Q4 2024 3 Data from Q3 2024 4 Data from Q1 2024 5 Also, leads a network of 17 research and higher education institutions in Maine to pro- vide research experience and financial support for undergraduates and early-career faculty N O T E : Unable to confirm data by press time for Kennebunk's Corning Inc. Life Sciences or Scarborough's Abbott. Portland's Covetrus last reported 277 Maine-based employees in September 2023, prior to a restructuring; unable to confirm more recent data by press time. S O U R C E : Each company via survey as of Q1 2025, Maine Center for Workforce Research and Information, public filings and Bioscience Association of Maine, biomaine.org Maine's largest life sciences companies Ranked by number of Maine employees

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