The pharmaceutical manufacturing industry in Illinois plays a crucial role in creating medications that improve health outcomes and increase quality of life. This sector includes companies of various sizes, from small startups to large enterprises, specializing in areas such as generics, biologics, and specialty pharmaceuticals. With a strong emphasis on innovation, Illinois companies leverage advanced technology to develop new drug formulations and therapies. The industry's growth is fueled by an increasing demand for personalized medicine and a focus on regulatory compliance, making it a dynamic environment for investment and development.

The companies in this list vary in size, operating from small teams of under 50 employees to mid-sized firms with over 200 staff. Established between 1904 and 2023, these businesses are predominantly located in major cities, including Chicago and Schaumburg. Their specializations include injectable medications, biosimilars, and specialized drug delivery systems. Many have received significant funding, which highlights their growth potential and capability to innovate.

Continue reading to discover the top pharmaceutical manufacturing companies in Illinois.

Top 21 Pharmaceutical Manufacturing Companies in Illinois

1. Sagent Pharmaceuticals

• Website: sagentpharma.com
• Ownership type: Corporate
• Headquarters: Schaumburg, Illinois, United States (USA)
• Employee distribution: United States (USA) 84%, India 14%, Other 2%
• Latest funding: $736.0M, July 2016
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: sagent-pharmacueticals

Sagent Pharmaceuticals, based in Schaumburg, Illinois, is a pharmaceutical company that specializes in the development and distribution of injectable medications. Founded in 2006, Sagent has carved out a niche in the market by focusing on enhancing patient safety through innovative product labeling and packaging. Their primary customers include healthcare providers such as hospitals and clinics that rely on dependable injectable products for patient care. The company has a workforce of approximately 226 employees, with a significant portion of its operations based in the United States. Sagent has launched several products recently, including PLERIXAFOR and NELARABINE injections, showcasing its commitment to expanding its product portfolio. The company has also received substantial funding, amounting to $736 million, which underscores its potential for growth and development in the pharmaceutical sector.

2. Meitheal Pharmaceuticals, Inc.

• Website: meithealpharma.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $35.0M, August 2023
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: meitheal-pharmaceuticals-inc.

Meitheal Pharmaceuticals, Inc., based in Chicago, Illinois, is a biopharmaceutical company dedicated to the development and commercialization of affordable medications. Founded in 2017, the company specializes in generics, biologics, and fertility treatments, aiming to enhance access to essential medicines for healthcare providers and patients. Meitheal's mission revolves around delivering impactful products through innovative solutions and strategic partnerships. The company has recently made strides in the biosimilars market with the acquisition of YUSIMRY®, reflecting its commitment to expanding its product offerings. With a workforce of approximately 106 employees, Meitheal is focused on improving treatment accessibility and patient outcomes, supported by a recent funding round of $35 million in August 2023. This funding underscores their potential for growth and development in the pharmaceutical sector.

3. Pinnacle Biologics, Inc.

• Website: pinnaclebiologics.com
• Ownership type: Private
• Headquarters: Bannockburn, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $1.5M, December 2011
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: pinnacle-biologics-inc-

Pinnacle Biologics, Inc., founded in 2007 and based in Bannockburn, Illinois, is a specialty pharmaceutical company dedicated to enhancing critical therapies for patients facing serious health challenges. The company revitalizes older pharmaceutical brands while also supporting the development of newer therapies. Their focus is primarily on providing effective treatment options for healthcare professionals and patients, particularly in the areas of cancer and rare diseases. Pinnacle Biologics operates with a fully integrated approach, combining global operations, a dedicated sales force, and marketing support to ensure that vital medicines reach those in need. With a small team of around 26 employees, they maintain a strong commitment to compliance and ethical standards in their operations, reflecting their dedication to patient care and safety.

4. Nexus Pharmaceuticals, Inc.

• Website: nexuspharma.net
• Ownership type: Family Owned
• Headquarters: Lincolnshire, Illinois, United States (USA)
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: nexus-pharmaceuticals-inc-

Nexus Pharmaceuticals, Inc. is a pharmaceutical manufacturer based in Lincolnshire, Illinois, specializing in the development and production of specialty and generic injectable drugs. Established in 2003 by chemists Mariam S. Darsot and Shahid Ahmed, the company has focused on addressing critical shortages in the healthcare market by providing reliable access to essential medications. Nexus operates a state-of-the-art manufacturing facility in the U.S., ensuring adherence to stringent quality and compliance standards. The company has a robust pipeline that includes several first-to-market FDA-approved generic drugs across various therapeutic categories, including oncology and cardiovascular treatments. Nexus is also recognized as a certified minority and women-owned business, which enhances its appeal in a market increasingly focused on diversity and inclusion. Their commitment to quality control and innovative manufacturing processes positions them as a key player in the pharmaceutical industry.

5. Medexus Pharmaceuticals

• Website: medexuspharma.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 50%, Canada 50%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: medexuspharma

Medexus Pharmaceuticals, Inc. is a pharmaceutical company based in Chicago, Illinois, with a strong presence in both the United States and Canada. Founded in 2012, the company has carved out a niche in the specialty pharmaceutical market, focusing on innovative prescription and over-the-counter medications. Their product portfolio addresses various health conditions, including rare diseases, which reflects their commitment to improving patient outcomes. Medexus operates through two segments: Medexus Pharma Canada and Medexus Pharma USA, allowing them to leverage a robust commercial platform across North America. The company has grown through strategic mergers, notably the amalgamation of three established pharmaceutical firms, enhancing their capabilities in product development and market access. Medexus is dedicated to maintaining high standards of quality and compliance, ensuring that their products meet the needs of healthcare professionals and patients alike.

6. Capstone Development Services Co, LLC

• Website: capstonedevservices.com
• Ownership type: Private
• Headquarters: Rosemont, Illinois, United States (USA)
• Employee distribution: United States (USA) 97%, India 3%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: capstone-development-services-co-llc

Capstone Development Services Co, LLC, based in Rosemont, Illinois, is a healthcare company founded in 2013. It specializes in the development of complex generic pharmaceuticals and medical devices. The company operates as a shared services organization, partnering with global pharmaceutical and medical device companies to streamline the product development process. Capstone's expertise includes regulatory services and technical project management, which help clients navigate the complexities of bringing new healthcare products to market. To date, they have achieved regulatory approvals for more than 20 products in the United States, European Union, and Canada. Their innovative approach allows clients to expand their product portfolios efficiently, without the need for significant increases in operating expenses. Capstone also supports various development partnerships, including their own commercial pharmaceutical company, Long Grove Pharmaceuticals, which focuses on high-barrier-to-entry medicines.

7. TerSera Therapeutics

• Website: tersera.com
• Ownership type: Private Equity
• Headquarters: Deerfield, Illinois, United States (USA)
• Employee distribution: United States (USA) 89%, Canada 11%
• Latest funding: March 2016
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: tersera

TerSera Therapeutics LLC, founded in 2016 and based in Deerfield, Illinois, is a biopharmaceutical company dedicated to developing innovative therapeutics aimed at addressing unmet medical needs. The company primarily focuses on oncology and non-opioid pain management, areas where effective treatments are often lacking. TerSera not only develops specialized medications but also provides comprehensive patient support services, ensuring that healthcare providers and patients have access to the necessary resources for effective treatment. With a team experienced in drug development and commercialization, TerSera is committed to advancing its portfolio of unique therapeutics. The company operates primarily in the United States, with a smaller presence in Canada, reflecting its strategic focus on North American markets. TerSera's approach combines scientific expertise with a patient-first mentality, aiming to transform the lives of patients through its innovative solutions.

8. Medefil, Inc.

• Website: medefilinc.com
• Ownership type: Private
• Headquarters: Glendale Heights, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1998
• Headcount: 51-200
• LinkedIn: medefil

Medefil, Inc. is a private pharmaceutical company based in Glendale Heights, Illinois, established in 1998. The company specializes in the development, manufacturing, and marketing of injectable products and flush syringes. Medefil aims to enhance patient safety and improve quality of life through high-quality, reliable products tailored for healthcare providers and institutions. With a strong emphasis on addressing critical unmet needs in medication delivery, Medefil has supplied over one billion sterile prefilled syringe products to date. The company operates a state-of-the-art manufacturing facility and has invested in research and development to expand its product offerings. Their product line includes Atropine Sulfate Injection, Sterile Water for Injection, and various Heparin Lock Flush Syringes, among others. Medefil's commitment to quality and safety is reflected in their ISO certification and ongoing efforts to innovate in the injectable product space.

9. Sterling Pharmaceutical Services

• Website: sterlingpharma.com
• Ownership type: Private
• Headquarters: Dupo, Illinois, United States (USA)
• Employee distribution: United States (USA) 86%, South Africa 7%, Pakistan 7%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: sterling-pharmaceutical-services

Sterling Pharmaceutical Services LLC, founded in 2005 and based in Dupo, Illinois, is a private pharmaceutical manufacturer that specializes in contract development and manufacturing solutions. The company offers a comprehensive suite of services, including research and development, manufacturing, and analytical testing, tailored to meet the needs of clients in the pharmaceutical industry. Sterling focuses on niche markets, particularly ophthalmic and veterinary products, and prides itself on its commitment to quality and compliance. With a workforce of approximately 43 employees, the company has successfully guided over 400 products into the market, including new drug applications (NDAs) and abbreviated new drug applications (ANDAs). Their facilities are certified by the DEA and FDA, allowing them to handle new drug entities and technology transfers efficiently. Sterling's operational philosophy emphasizes process optimization and client collaboration, ensuring that they meet strict deadlines while maintaining high standards of product quality.

10. Pfanstiehl, Inc.

• Website: pfanstiehl.com
• Ownership type: Corporate
• Headquarters: Waukegan, Illinois, United States (USA)
• Employee distribution: United States (USA) 88%, China 5%, Other 8%
• Latest funding: December 2000
• Founded year: 1919
• Headcount: 51-200
• LinkedIn: pfanstiehl-inc-

Pfanstiehl, Inc., based in Waukegan, Illinois, has been a key player in the biopharmaceutical manufacturing sector since its founding in 1919. The company specializes in high-purity injectable grade excipients, which are critical for the stability and efficacy of therapeutic proteins and vaccines. Pfanstiehl serves a variety of clients in the biopharmaceutical and pharmaceutical industries, providing essential products and services that help ensure the safety and effectiveness of medications. Their expertise includes custom solutions for biologic stabilization, protein aggregation reduction, and viscosity reduction, among others. With a workforce of approximately 105 employees, Pfanstiehl is dedicated to maintaining high standards of quality and purity in its offerings, which are crucial for the development and manufacturing of biologics and vaccines.

11. SynChem, Inc.

• Website: synchem.com
• Ownership type: Corporate
• Headquarters: Elk Grove, Illinois, United States (USA)
• Employee distribution: United States (USA) 75%, India 25%
• Latest funding: June 2024
• Founded year: 1997
• Headcount: 51-200
• LinkedIn: synchem-inc.

SynChem, Inc., founded in 1997 and based in Elk Grove Village, Illinois, is a contract research organization that specializes in organic synthesis and medicinal chemistry. The company provides high-quality research and development services to pharmaceutical and biotech firms, focusing on the development of unnatural amino acids and inhibitors that are crucial for drug discovery. Operating under cGMP conditions since 2011, SynChem ensures that its processes meet stringent quality standards. The company has been recognized for its contributions, receiving the Eli Lilly & Company Supplier Award in 2002. With a workforce of around 28 employees, SynChem has established itself as a reliable partner for many pharmaceutical, biotech, chemical, and material science companies, contributing to the advancement of innovative therapies and diagnostics. Their recent acquisition by Formosa Laboratories marks a new chapter, potentially expanding their capabilities and reach in the industry.

12. Vanqua Bio

• Website: vanquabio.com
• Ownership type: Venture Capital
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $45.0M, July 2024
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: vanqua-bio

Vanqua Bio, founded in 2019 and based in Chicago, Illinois, is a biopharmaceutical company dedicated to creating innovative treatments for neurodegenerative diseases. The company is particularly focused on conditions such as Parkinson's disease and Alzheimer's disease. Vanqua Bio employs a unique drug development strategy that leverages insights into neuronal cell pathways and advanced assays to develop therapies that target the root causes of these diseases. Their lead program is centered on glucocerebrosidase (GCase), a critical enzyme linked to Parkinson's disease, and they are actively conducting clinical trials to evaluate their drug candidates. With a team of experienced scientists and a commitment to improving patient outcomes, Vanqua Bio is positioned as a significant player in the biopharmaceutical industry. The company has recently secured funding of approximately $44.98 million, which supports its ongoing research and development efforts.

13. Bajaj Medical

• Website: bajajmedical.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 88%, India 12%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: bajaj-medical-llc

Bajaj Medical, founded in 2013 and based in Chicago, Illinois, is a private pharmaceutical company with a workforce of 11 to 50 employees. The company specializes in antiseptic products, particularly those containing chlorhexidine gluconate, and offers contract manufacturing services. Their product line includes various formulations aimed at infection control, catering to both healthcare facilities and consumers. Bajaj Medical prides itself on delivering high-quality products made in the USA, emphasizing rapid market delivery and customized solutions for clients. The company also engages in global regulatory compliance, facilitating the international reach of its products. With a significant portion of its workforce based in the United States and a smaller presence in India, Bajaj Medical is strategically positioned to serve a broad market.

14. OWP Pharmaceuticals

• Website: owppharma.com
• Ownership type: Private
• Headquarters: Naperville, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $2.7M, September 2024
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: one-world-pharmaceuticals

OWP Pharmaceuticals, founded in 2014 and based in Naperville, Illinois, is a private pharmaceutical company dedicated to developing and marketing medications specifically for neurological disorders. The company offers products like Subvenite Starter Kits, a branded generic alternative to Lamictal, aimed at patients initiating lamotrigine therapy. OWP Pharmaceuticals operates with a strong commitment to social responsibility, channeling profits into initiatives that enhance education and treatment for neurological disorders in under-resourced areas globally. The company has recently received funding, amounting to over $2.7 million, which supports its ongoing efforts to innovate and expand its product offerings. With a focus on both commercial success and humanitarian impact, OWP Pharmaceuticals is actively contributing to the pharmaceutical industry while addressing critical health needs.

15. Avenacy

• Website: avenacy.com
• Ownership type: Private
• Headquarters: Schaumburg, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $26.0M, November 2024
• Founded year: 2023
• Headcount: 11-50
• LinkedIn: avenacy

Avenacy, based in Schaumburg, Illinois, is a pharmaceutical company that specializes in the manufacturing and supply of sterile injectable medications. Founded in 2023, Avenacy has quickly made its mark by launching a portfolio of high-quality, FDA-approved products aimed at healthcare providers, including hospitals and outpatient clinics. The company is dedicated to enhancing patient safety and treatment outcomes through rigorous quality controls and innovative packaging designed to minimize administration errors. Avenacy's commitment to building strong partnerships with healthcare providers and its focus on a resilient supply chain reflect its strategic approach to navigating the complexities of the pharmaceutical industry. Recently, Avenacy secured funding of approximately $26 million, which positions it for further growth and expansion in the competitive market of injectable medications.

16. Precision Dose, Inc.

• Website: precisiondose.com
• Ownership type: Corporate
• Headquarters: South Beloit, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: April 2017
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: precision-dose-inc-

Precision Dose, Inc., founded in 2003 and based in South Beloit, Illinois, is a pharmaceutical manufacturer and distributor that specializes in unit-dose packaging solutions. The company is dedicated to enhancing patient safety through accurate dosing and innovative packaging methods. Precision Dose serves a variety of healthcare providers, including hospitals, nursing homes, and pharmacies, by offering a comprehensive range of pharmaceutical products. Their product line includes oral medications in unit-dose cups, pre-filled oral syringes, and blister packs, ensuring that each dosage is meticulously packaged for reliability. Recently, they have expanded into the retail market, reintroducing products under their own label, which reflects their strategic growth and responsiveness to market needs. The company emphasizes quality and customer satisfaction, maintaining high standards in product integrity and service. Their management team brings extensive expertise in pharmaceutical manufacturing, packaging, and distribution, further solidifying their role in the industry.

17. AltaThera Pharmaceuticals

• Website: altathera.com
• Ownership type: Venture Capital
• Headquarters: Chicago, Illinois, United States (USA)
• Latest funding: $3.4M, December 2016
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: altathera-pharmaceuticals

AltaThera Pharmaceuticals, based in Chicago, Illinois, is a pharmaceutical company dedicated to enhancing patient care through innovative cardiovascular treatments. Founded in 2009, the company has developed Sotalol IV, a novel formulation of a widely used antiarrhythmic drug. This product allows for the outpatient initiation of treatment for atrial fibrillation, a condition affecting millions globally. By shortening hospital stays and converting inpatient procedures to outpatient ones, AltaThera aims to alleviate the burden on patients and healthcare providers alike. The company operates with a focus on efficiency, effectiveness, and outcomes, striving to optimize care through scientific innovation. With a small team of around 41 employees, AltaThera has also secured funding, indicating investor confidence in their mission and potential for growth in the pharmaceutical market.

18. Patrin Pharma, INC.

• Website: patrinpharma.com
• Ownership type: Private
• Headquarters: Skokie, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 1-10
• LinkedIn: patrin-pharma-inc.

Patrin Pharma, INC., founded in 2005 and based in Skokie, Illinois, is a private pharmaceutical company dedicated to the development and marketing of high-quality generic drugs. The company has carved out a niche in the pharmaceutical industry by focusing on specialized markets and providing cost-effective solutions for healthcare providers, including hospitals and pharmacies. Patrin Pharma has successfully launched over 30 products, with a robust pipeline of additional products currently under FDA review. Their expertise spans both over-the-counter (OTC) and prescription (Rx) pharmaceutical products, showcasing their commitment to practical innovation. The company operates through strategic partnerships, which allow them to enhance their product portfolio and distribution capabilities. Patrin Pharma's manufacturing processes adhere to stringent quality standards, ensuring that their products are made in FDA-inspected facilities. Their emphasis on customer service and rapid product development further solidifies their position in the pharmaceutical sector.

19. Alva-amco Pharmacal Companies, LLC

• Website: alva-amco.com
• Ownership type: Corporate
• Headquarters: Niles, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2024
• Founded year: 1904
• Headcount: 11-50
• LinkedIn: alva-amco-pharmacal-companies-inc.

Alva-Amco Pharmacal Companies, LLC, based in Niles, Illinois, has been a player in the health and wellness industry since its inception in 1904. The company specializes in the production of non-prescription pharmaceuticals, dietary supplements, and skin care products. Alva-Amco markets over 20 brands, including notable names like DIUREX, FUNGICURE, and PSORIASIN, which cater to various health concerns such as pain relief, digestive health, and skin conditions. Their products are available through pharmacies, supermarkets, and mass merchants across North America and are increasingly reaching international markets. Alva-Amco emphasizes product innovation and consumer satisfaction, maintaining a reputation for quality in a competitive market. The company operates with a relatively small workforce, which may suggest a focused approach to its product lines and market strategy.

20. Sparx Biopharmaceutical CORP

• Website: sparxbio.com
• Ownership type: Private
• Headquarters: Mount Prospect, Illinois, United States (USA)
• Employee distribution: United States (USA) 71%, China 29%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: sparx-therapeutics

Sparx Biopharmaceutical CORP, founded in 2018 and based in Mount Prospect, Illinois, is a private biopharmaceutical company dedicated to the development of innovative antibody therapies and immuno-oncology agents. The company aims to strengthen human immunity through advanced research and development, targeting multiple pathways in cancer treatment. Sparx has built a robust pipeline of therapeutic candidates, including SPX-303, which has recently received FDA approval for its IND application. The company employs sophisticated technologies such as their SAILING™ platform for antibody discovery and SYNMAB™ for optimizing multi-specific antibodies. With a team of experienced professionals from notable pharmaceutical backgrounds, Sparx is positioned to make significant contributions to the industry. Their in-house cGMP manufacturing capabilities further enhance their ability to produce clinical and commercial drug products, facilitating their growth as an independent biopharmaceutical entity.

21. Xentria, Inc.

• Website: xentria.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $25.0M, October 2022
• Founded year: 2020
• Headcount: 11-50
• LinkedIn: xentria-inc

Xentria, Inc. is a biotechnology firm based in Chicago, Illinois, established in 2020. The company specializes in the development of innovative therapeutics, particularly targeting rare diseases such as pulmonary sarcoidosis. Xentria is engaged in creating drug candidates and managing clinical trials, providing regulatory guidance to navigate the complexities of drug development. Their lead candidate, XTMAB-16, has received Orphan Drug Designation from both the FDA and the European Medicines Agency, highlighting its potential significance in treating a condition that currently lacks effective therapies. With a small team of 24 employees, Xentria is actively building partnerships within the life sciences sector to advance their drug development initiatives. In 2022, they secured $25 million in funding, which supports their ongoing research and development efforts.

Pharmaceutical Manufacturing Insights: Key Companies in Illinois

Company	Headquarter	Size	Founded	Ownership
Sagent Pharmaceuticals	Schaumburg, Illinois, United States (USA)	51-200	2006	Corporate
Meitheal Pharmaceuticals, Inc.	Chicago, Illinois, United States (USA)	51-200	2017	Private
Pinnacle Biologics, Inc.	Bannockburn, Illinois, United States (USA)	11-50	2007	Private
Nexus Pharmaceuticals, Inc.	Lincolnshire, Illinois, United States (USA)	51-200	2003	Family Owned
Medexus Pharmaceuticals	Chicago, Illinois, United States (USA)	51-200	2012	Private
Capstone Development Services Co, LLC	Rosemont, Illinois, United States (USA)	51-200	2013	Private
TerSera Therapeutics	Deerfield, Illinois, United States (USA)	51-200	2016	Private Equity
Medefil, Inc.	Glendale Heights, Illinois, United States (USA)	51-200	1998	Private
Sterling Pharmaceutical Services	Dupo, Illinois, United States (USA)	51-200	2005	Private
Pfanstiehl, Inc.	Waukegan, Illinois, United States (USA)	51-200	1919	Corporate
SynChem, Inc.	Elk Grove, Illinois, United States (USA)	51-200	1997	Corporate
Vanqua Bio	Chicago, Illinois, United States (USA)	11-50	2019	Venture Capital
Bajaj Medical	Chicago, Illinois, United States (USA)	11-50	2013	Private
OWP Pharmaceuticals	Naperville, Illinois, United States (USA)	11-50	2014	Private
Avenacy	Schaumburg, Illinois, United States (USA)	11-50	2023	Private
Precision Dose, Inc.	South Beloit, Illinois, United States (USA)	51-200	2003	Corporate
AltaThera Pharmaceuticals	Chicago, Illinois, United States (USA)	11-50	2009	Venture Capital
Patrin Pharma, INC.	Skokie, Illinois, United States (USA)	1-10	2005	Private
Alva-amco Pharmacal Companies, LLC	Niles, Illinois, United States (USA)	11-50	1904	Corporate
Sparx Biopharmaceutical CORP	Mount Prospect, Illinois, United States (USA)	51-200	2018	Private
Xentria, Inc.	Chicago, Illinois, United States (USA)	11-50	2020	Private

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