About Us
Established in 1962, Rockland Immunochemicals, Inc. (Rockland) is a privately held biotechnology company operating a 60,000 sq. ft. manufacturing facility with antibody and protein production capabilities near Philadelphia, Pennsylvania, USA. We are a leading partner to the global life science community, developing reliable antibody-based products to drive basic and applied research across the academic, diagnostic, and biopharma industries.
Our reputation is based on our decades of experience and our commitment to partnering with clients and collaborators to consistently deliver accurate and reproducible tools for life science research. We strive for excellence and integrity and welcome the opportunity to work alongside our clients through their most difficult challenges to empower scientists, unlock discoveries, and advance life science to foster a better world.

Mission and Vision
Our Vision
To be an invaluable partner to the life science community advancing the development and delivery of therapies and diagnostics worldwide.
Our Mission
To continually refine our scientific expertise and operational excellence to develop and deliver fit-for-purpose products, from antibody-based tools to biologic critical reagents, that drive basic and applied research forward.
Our Purpose
Rockland’s History
We've been busy adding products and services to our offering since 1962. And we continue to look ahead, finding new ways to serve our customers, community, and industry.
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1962 | Establishment
James Fendrick Sr. purchases a company in Rockland County, NY. Relocates to PA. "Rockland Farms" provides animals, animal tissue, and blood products.
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1984 | Development
Development of secondary antibodies, conjugates, and antibody fragments using methods developed by Dr. Cappel at Cappel Laboratories and Jackson Immunoresearch.
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1990 | Polyclonal
Production of polyclonal primary antibodies begins.
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1995 | Monoclonal
Building of clean room suites and development of monoclonal antibodies.
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2000 | Network
Rockland develops multiple paths to the marketplace including OEM and distributorships.
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2004 | Cell Culture
Expansion to cell culture, molecular biology, and solutions production.
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2014 | Limerick
Moved production and research to a new facility in Limerick, Pennsylvania.
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2017 | Vivarium
Expansion to state-of-the-art vivarium in Pennsylvania.
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2022 | antibodies-online
Acquisition of antibodies-online, a global marketplace for life science reagents.