Maryland's chemical manufacturing industry plays a pivotal role in producing a wide array of chemical products. These companies engage in specialty chemicals, agrochemicals, and pharmaceutical ingredients, contributing to essential sectors like healthcare, agriculture, and construction. The industry is adapting to growing demands for sustainability and innovation, driven by both regulatory changes and consumer preferences for greener solutions. With a strong emphasis on quality and compliance, Maryland companies are known for their high standards and technological advancements. As global competition intensifies, local firms are investing in research and development to enhance efficiency and market reach.


The companies showcased here range in size from small firms of about 11 employees to larger entities with hundreds on their payrolls. Founded between 1921 and 2008, these companies highlight Maryland's historical and ongoing contributions to the chemical sector. Most notably located in Baltimore and surrounding areas, they specialize in varied chemical products including water treatment solutions, essential oils, polymers, and biotechnology applications. Their shared commitment to quality and innovation positions them favorably within the market, ensuring they meet evolving industry needs.


Continue reading to explore the top chemical manufacturing companies in Maryland.


Top 19 Chemical Manufacturing Companies in Maryland


1. Chempacific Corp

  • Website: chempacific.com
  • Ownership type: Private
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 85%, China 15%
  • Founded year: 1995
  • Headcount: 51-200
  • LinkedIn: chempacific-corp

Chempacific Corp, founded in 1995 and based in Baltimore, Maryland, is a private specialty chemical manufacturer. The company specializes in providing custom chemicals, active pharmaceutical ingredients (APIs), and process development services primarily to pharmaceutical and biotechnology firms. With a workforce of approximately 51-200 employees, Chempacific operates facilities in both the United States and China, allowing them to effectively manage production and meet client needs across different markets. Their expertise in organic synthesis enables them to deliver high-quality, reliable chemical solutions tailored to the specific requirements of their clients. Chempacific has a strong focus on safety, quality, and regulatory compliance, having filed multiple Drug Master Files (DMFs) and patents since its inception. The company prides itself on its ability to support clients throughout the product life cycle, from discovery to commercialization, ensuring that they can navigate the complexities of chemical manufacturing with confidence.


2. Usalco

  • Website: usalco.com
  • Ownership type: Private Equity
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 95%, Puerto Rico 5%
  • Latest funding: August 2024
  • Founded year: 1980
  • Headcount: 201-500
  • LinkedIn: usalco

Usalco, founded in 1980 and based in Baltimore, Maryland, is a private equity-owned company that specializes in the manufacture of chemicals for water treatment. With a workforce of approximately 218 employees, Usalco focuses on providing solutions for both drinking water and wastewater treatment. Their extensive product offerings include well-known brands such as DelPAC, AlcoPAC, and UltraPAC, which are utilized in various applications, including municipal water treatment and industrial processes. The company is dedicated to ensuring compliance with water quality standards and enhancing treatment efficiency. Usalco's commitment to innovation is evident in their ongoing development of advanced coagulant solutions and tailored chemical formulations. They have also announced plans for a new production facility in California, indicating growth and investment in their operations. Usalco's mission emphasizes making a positive impact on communities by addressing the critical need for clean and safe water.


3. Citrus and Allied Essences Ltd


Citrus and Allied Essences Ltd, established in 1933, is a family-owned manufacturer based in Belcamp, Maryland. The company specializes in producing essential oils, aroma chemicals, and botanical extracts, serving clients in the flavor and fragrance sectors. With a commitment to quality, Citrus and Allied ensures that their products meet stringent regulatory standards, facilitating the development of innovative formulations for their customers. Their extensive product range includes organic essential oils and natural aroma chemicals, which are vital for creating flavors and fragrances in consumer products. The company has a robust operational framework, including high-volume distillation capabilities and custom distillation services, allowing them to cater to specific client needs. Their expertise in sourcing and processing essential oils from various global locations further enhances their position in the market.


4. TIC Gums

  • Website: ticgums.com
  • Ownership type: Corporate
  • Headquarters: White Marsh, Maryland, United States (USA)
  • Employee distribution: United States (USA) 92%, China 8%
  • Latest funding: December 2016
  • Founded year: 1909
  • Headcount: 51-200
  • LinkedIn: tic-gums

TIC Gums, a part of Ingredion, is based in White Marsh, Maryland, and has been a player in the ingredient supply industry since 1909. The company specializes in providing functional materials that cater to the food and pharmaceutical sectors. Their product offerings include a range of pharma excipients, which are critical for drug formulation, as well as food formulation solutions that help manufacturers enhance the quality and performance of their products. TIC Gums is known for its commitment to regulatory compliance and technical support, ensuring that their clients can meet industry standards while optimizing product performance. With a workforce of around 88 employees, the company maintains a significant presence in the United States, with a smaller footprint in China. TIC Gums has not reported any recent funding, indicating a stable operational model without reliance on external financial support.


5. The Warner Graham Company

  • Website: warnergraham.com
  • Ownership type: Private
  • Headquarters: Cockeysville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1921
  • Headcount: 11-50
  • LinkedIn: warnergraham

The Warner Graham Company, based in Cockeysville, Maryland, is a private chemical manufacturer and distributor with a history dating back to 1921. The company specializes in producing and distributing high-quality chemicals, including pure ethyl alcohol, denatured alcohol, industrial solvents, specialty olefins, and deicing products. Warner Graham serves a variety of industries, such as pharmaceuticals, biotechnology, food and flavor, personal care, cosmetics, and industrial applications. They are recognized for their ability to blend and package products according to customer specifications, offering private labeling and contract manufacturing services. The company operates a Distilled Spirits Plant and is a certified organic handler, providing organic ethanol products. Their strategic location near Baltimore enhances their distribution capabilities, allowing them to efficiently serve their clients across the United States.


6. Martin Marietta Magnesia Specialties LLC


Martin Marietta Magnesia Specialties LLC, based in Baltimore, Maryland, is a private chemical manufacturer established in 1961. The company specializes in high purity magnesium oxide, magnesium hydroxide, and dolomitic lime products. These materials are crucial for various applications, including wastewater treatment, steelmaking, and other industrial processes. Martin Marietta Magnesia Specialties is dedicated to sustainability, investing in practices that reduce their environmental impact while providing essential materials for both environmental and industrial applications. Their focus on product quality and consistency makes them a reliable supplier in the chemical manufacturing sector, serving a range of industries with specific needs.


7. Tilley Distribution

  • Website: tilleydistribution.com
  • Ownership type: Private
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 83%, Brazil 9%, United Kingdom (UK) 6%, Other 2%
  • Founded year: 1952
  • Headcount: 51-200
  • LinkedIn: tilley-chemical-company

Tilley Distribution, founded in 1952 and based in Baltimore, Maryland, is a private company specializing in the distribution of high-quality specialty ingredients and industrial chemicals. With a workforce of approximately 174 employees, Tilley serves a variety of industries, including food and beverage, personal care, and industrial sectors. The company is known for its extensive product catalog, which includes essential ingredients for animal nutrition, flavor and fragrance, household cleaning products, and pharmaceuticals. Tilley also offers value-added services such as custom blending, packaging, and supply chain management, enhancing their role as a partner in the chemical supply chain. Their commitment to quality and safety is evident in their operational practices and industry certifications, positioning them as a reliable source for manufacturers seeking specialized chemical solutions.


8. Active Minerals International

  • Website: activeminerals.com
  • Ownership type: Corporate
  • Headquarters: Sparks, Maryland, United States (USA)
  • Employee distribution: United States (USA) 92%, Taiwan 6%, Other 2%
  • Latest funding: May 2024
  • Founded year: 1964
  • Headcount: 201-500
  • LinkedIn: active-minerals-international

Active Minerals International LLC, based in Sparks, Maryland, is an industrial minerals supplier specializing in kaolin and attapulgite products. Founded in 1964, the company has built a reputation for providing high-quality mineral solutions tailored for various applications across multiple industries. AMI's products are utilized in agriculture for crop protection, in construction for concrete admixtures, and in paints and coatings for rheology control. The company operates globally, ensuring a consistent supply to meet customer demands. With a workforce of approximately 160 employees, AMI has established itself as a significant supplier in the industrial minerals market, recognized as a Top 100 U.S. Exporter. Their commitment to quality is underscored by adherence to ISO 9001:2015 standards, and they actively engage in sustainable practices. AMI's strategic partnerships and logistics capabilities enhance their ability to deliver products efficiently to over 70 locations worldwide.


9. Lumiprobe Group

  • Website: lumiprobe.com
  • Ownership type: Private
  • Headquarters: Cockeysville, Maryland, United States (USA)
  • Employee distribution: Russia 80%, United States (USA) 10%, Israel 10%
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn: lumiprobe-corporation

Lumiprobe Group, founded in 2006 and based in Cockeysville, Maryland, is a private chemical manufacturer that specializes in advanced chemicals tailored for life science research and diagnostics. The company offers a wide array of products, including fluorescent dyes, phosphoramidites for oligonucleotide synthesis, and various bioconjugation reagents. These products are essential tools for scientists and researchers in the life sciences and biotechnology fields. Lumiprobe emphasizes quality, providing analytical data such as NMR spectra and HPLC-MS profiles for each product lot. They maintain a robust inventory, ensuring quick delivery to customers worldwide, which is crucial for research timelines. With a small team of around 20 employees, Lumiprobe operates with a focus on customer support and technical assistance, making them a reliable partner for researchers. Their products are used globally, reflecting their relevance in the scientific community.


10. Tilley Chemical Company


Tilley Chemical Company, also known as Tilley Distribution, was founded in 1952 and is based in Baltimore, Maryland. The company specializes in the distribution of high-quality specialty ingredients across multiple industries, including food and beverage, personal care, and industrial sectors. Tilley offers a range of services such as blending, packaging, and supply chain management, which are crucial for supporting their customers' production needs. Their product catalog includes ingredients for animal nutrition, flavor and fragrance, pharmaceuticals, lubricants, and household cleaning products. Tilley is committed to quality and safety, maintaining strong relationships with suppliers and customers alike. They also invest in research and development to provide innovative solutions tailored to their clients' needs. With a workforce of around 43 employees, Tilley operates as a private company and has established itself as a reliable partner in the chemical distribution landscape.


11. Certis Biologicals

  • Website: certisbio.com
  • Ownership type: Private
  • Headquarters: Columbia, Maryland, United States (USA)
  • Employee distribution: United States (USA) 91%, Mexico 5%, Brazil 2%, Other 2%
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: certis-usa

Certis Biologicals, founded in 2001 and based in Columbia, Maryland, is a private company that focuses on agricultural biopesticides for crop protection. With a workforce of approximately 133 employees, the company develops a range of products aimed at enhancing crop health and yield. Their offerings include bactericides, fungicides, herbicides, and insecticides, catering primarily to agricultural businesses. Certis Biologicals operates three dedicated production plants, two for fermentation and one for plant extraction of neem-based products. They are recognized for their commitment to bio-based innovations that improve crop productivity and quality, making them a significant player in the agricultural chemical sector.


12. Air Clear

  • Website: airclear.net
  • Ownership type: Private
  • Headquarters: Elkton, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1990
  • Headcount: 11-50
  • LinkedIn: airclear-llc

Air Clear, founded in 1990 and based in Elkton, Maryland, is a manufacturer of air pollution control systems. The company designs, manufactures, and installs equipment such as thermal and catalytic oxidizers, as well as fiberbed filter systems. These products are essential for industries like textile and chemical processing, where managing emissions is critical. Air Clear emphasizes customized solutions that help clients meet stringent environmental regulations while improving operational efficiency. With a commitment to innovation, the company has developed proprietary technologies aimed at effective emission reduction. Their services extend beyond manufacturing to include engineering, installation, and ongoing maintenance, ensuring that clients receive comprehensive support throughout the lifecycle of their air quality systems. Air Clear has successfully collaborated with numerous corporations, guiding them toward cleaner operations and sustainable practices.


13. Niche Polymer LLC

  • Website: nichepolymer.com
  • Ownership type: Private
  • Headquarters: Columbia, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2008
  • Headcount: 51-200
  • LinkedIn: niche-polymer-llc

Niche Polymer LLC, founded in 2008 and based in Columbia, Maryland, operates as a custom compounder and toll processor of thermoplastic engineered resins. The company specializes in producing a variety of proprietary thermoplastic compounds, including nylon, polypropylene, polycarbonate, and ABS. With a strong emphasis on custom formulations, Niche Polymer collaborates closely with clients to develop tailored solutions that meet specific application needs. Their commitment to research and development is evident in their advanced technical capabilities and ISO-certified labs, which support both small and large projects. Niche Polymer serves a wide range of industries, providing essential materials that contribute to various manufacturing processes. The company has not reported any funding, indicating a self-sustained operational model.


14. Adell Corporation

  • Website: adellplastics.com
  • Ownership type: Private
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1958
  • Headcount: 51-200
  • LinkedIn: adell-plastic

Adell Corporation, known as Adell Plastics, is a private manufacturing company based in Baltimore, Maryland, founded in 1958. The company specializes in compounding technology for thermoplastic resins, producing a wide array of compounded products tailored for industries such as medical, automotive, film, fiber, and electronics. Adell operates multiple production facilities, which allows them to respond effectively to the specific needs of their clients. Their product offerings include proprietary engineered thermoplastic compounds, with a focus on materials like nylon, polypropylene, polyester, polycarbonate, and silicone concentrates. Adell is committed to quality, as evidenced by their ISO 9001 certifications and their quality control laboratory's accreditation to ISO/IEC 17025. This dedication to quality and performance, combined with their extensive industry experience, positions Adell as a significant player in the chemical manufacturing sector.


15. Sterilex

  • Website: sterilex.com
  • Ownership type: Private Equity
  • Headquarters: Cockeysville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 88%, Chile 4%, Germany 4%, Other 4%
  • Latest funding: April 2021
  • Founded year: 1994
  • Headcount: 11-50
  • LinkedIn: sterilex

Sterilex, founded in 1994 and based in Hunt Valley, Maryland, is a biotechnology company that specializes in microbial control solutions. The company develops and markets a range of innovative disinfectants and sanitizers aimed at enhancing food safety, animal health, and water treatment. Sterilex's products are utilized by businesses in food processing and life sciences, where maintaining sanitary conditions is crucial to preventing the spread of pathogens. Their proprietary PerQuat technology is specifically designed to disrupt bacterial biofilm and eliminate resistant microorganisms, making their offerings particularly valuable in environments where hygiene is paramount. Sterilex has established a strong presence in the market, serving over 10,000 end-user plants globally, and is recognized for its commitment to innovation and safety in the industries it serves.


16. Celeste Industries Corporation

  • Website: celestecorp.com
  • Ownership type: Private
  • Headquarters: Easton, Maryland, United States (USA)
  • Employee distribution: United States (USA) 62%, China 19%, United Kingdom (UK) 19%
  • Founded year: 1946
  • Headcount: 51-200
  • LinkedIn: celeste-industries-corporation

Celeste Industries Corporation, founded in 1946, is a specialty chemical manufacturer based in Easton, Maryland. The company primarily serves the aviation market, providing a range of cleaning, maintenance, and odor control solutions tailored for airlines and aircraft manufacturers. Their product portfolio includes items such as interior and exterior cleaners, hand care products, and specialized chemicals for potable water systems. Celeste is committed to sustainability, utilizing water-based chemistry and green solvents that comply with environmental standards. They have a strong focus on safety and quality, ensuring that their products meet the rigorous demands of the aviation industry. With a global presence, Celeste Industries collaborates closely with its customers to develop effective solutions for challenging cleaning and maintenance tasks, demonstrating their expertise in chemical applications technology.


17. Micropore, Inc

  • Website: microporeusa.com
  • Ownership type: Private
  • Headquarters: Elkton, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1997
  • Headcount: 11-50
  • LinkedIn: micropore-inc

Micropore, Inc., founded in 1997 and based in Elkton, Maryland, specializes in the manufacture of CO2 absorbents designed for life support systems. Their flagship products, ExtendAir® and SpiraLith®CaTM, are engineered to effectively manage carbon dioxide levels in critical environments such as medical facilities, military operations, and emergency response scenarios. Micropore's technology represents a significant advancement in CO2 absorbent solutions, offering superior performance compared to traditional granular options. The company has received recognition for its contributions to manufacturing in Maryland and has been involved in supporting medical technologies, particularly during the COVID-19 pandemic. Their products are certified for use in various high-stakes applications, including military submarines and mine safety equipment, underscoring their relevance in the chemical manufacturing industry.


18. Daycon Products Co., Proudly Part of BradyPLUS

  • Website: daycon.com
  • Ownership type: Corporate
  • Headquarters: Upper Marlboro, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: August 2021
  • Founded year: 1942
  • Headcount: 51-200
  • LinkedIn: daycon-products

Daycon Products Co., proudly part of BradyPLUS, is a Maryland-based company founded in 1942. It specializes in cleaning services and janitorial supplies, providing a comprehensive array of cleaning products and facility maintenance solutions. Daycon serves a variety of sectors, including schools, hospitals, and restaurants, ensuring cleanliness and hygiene in diverse environments. A significant aspect of their operations is the New Dawn Manufacturing division, which focuses on chemical manufacturing. This division produces a wide range of cleaning chemicals, including biological cleaners, disinfectants, and floor care products, many of which are certified green. Daycon's commitment to sustainability is evident through its initiatives and partnerships aimed at reducing environmental impact. The company has not reported any recent funding, indicating stability in its operations and a focus on organic growth.


19. B & L Sales, Inc.

  • Website: bandlsales.com
  • Ownership type: Corporate
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: December 2022
  • Founded year: 1949
  • Headcount: 11-50
  • LinkedIn: b-%26-l-sales-inc.

B & L Sales, Inc. is a company based in Baltimore, Maryland, that has been serving the automotive industry since its establishment in 1949. The company specializes in automotive chemicals, including products for parts and service, paint and bodywork, as well as new and used car reconditioning. Additionally, they provide janitorial supplies tailored for automotive environments. Over the decades, B & L Sales has built a reputation for reliability and customer service, catering to new car dealerships, independent mechanical and body shops, and heavy-duty truck repair facilities across the Mid-Atlantic region. The company prides itself on its long-standing relationships with customers and its status as BASF's oldest exclusive distributor since 1958. This history reflects a commitment to quality and service in a specialized market.



Chemical Manufacturing Insights: Key Companies in Maryland


CompanyHeadquarterSizeFoundedOwnership
Chempacific CorpBaltimore, Maryland, United States (USA)51-2001995Private
UsalcoBaltimore, Maryland, United States (USA)201-5001980Private Equity
Citrus and Allied Essences LtdBelcamp, Maryland, United States (USA)51-2001933Family Owned
TIC GumsWhite Marsh, Maryland, United States (USA)51-2001909Corporate
The Warner Graham CompanyCockeysville, Maryland, United States (USA)11-501921Private
Martin Marietta Magnesia Specialties LLCBaltimore, Maryland, United States (USA)51-2001961Private
Tilley DistributionBaltimore, Maryland, United States (USA)51-2001952Private
Active Minerals InternationalSparks, Maryland, United States (USA)201-5001964Corporate
Lumiprobe GroupCockeysville, Maryland, United States (USA)11-502006Private
Tilley Chemical CompanyBaltimore, Maryland, United States (USA)51-2001952Private
Certis BiologicalsColumbia, Maryland, United States (USA)51-2002001Private
Air ClearElkton, Maryland, United States (USA)11-501990Private
Niche Polymer LLCColumbia, Maryland, United States (USA)51-2002008Private
Adell CorporationBaltimore, Maryland, United States (USA)51-2001958Private
SterilexCockeysville, Maryland, United States (USA)11-501994Private Equity
Celeste Industries CorporationEaston, Maryland, United States (USA)51-2001946Private
Micropore, IncElkton, Maryland, United States (USA)11-501997Private
Daycon Products Co., Proudly Part of BradyPLUSUpper Marlboro, Maryland, United States (USA)51-2001942Corporate
B & L Sales, Inc.Baltimore, Maryland, United States (USA)11-501949Corporate


Want to Find More Chemical Manufacturing Companies?

If you want to find more companies that offer specialty chemicals and biopesticides you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.

With Inven you'll also get to know the company's:

  • Detailed Ownership: Who owns the company? Is it a public or private company? What is the ownership structure?
  • Contact data: Who are the founders and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!