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Data / Drug companies / Penicillin-class Antibacterial

Penicillin-class Antibacterial drugs: 30 drugs from 75 companies in the FDA NDC directory

Penicillin-class Antibacterial is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 840 products in this class from 75 companies, covering 30 drugs by generic name. The main marketing category is generic drugs (ANDA), and the newest product started marketing on October 12, 2026.

SpecStream is the live web data engine for teams and agents. It reads the National Drug Code Directory that FDA publishes, and this page is that reading. Ask for the companies that make a drug, a class or a dosage form, with their headquarters, website and size added from the web, and new listings and discontinued products arrive in your sheet, CRM, Slack or agent as FDA posts them.

  • 75Companies
  • 840Products
  • 30Drugs by generic name

Drugs in the Penicillin-class Antibacterial class

Ranked by number of companies that list the drug.

DrugProducts hereCompanies listing it
Amoxicillin27835
Amoxicillin and clavulanate potassium20335
Penicillin v potassium7318
Piperacillin and tazobactam4713
Ampicillin sodium4311
Ampicillin2710
Penicillin g potassium198
Nafcillin sodium178
Ampicillin sodium and sulbactam sodium247
Dicloxacillin sodium107
Piperacillin sodium and tazobactam sodium215
Oxacillin95
Nafcillin75
Ampicillin and sulbactam134
Piperacillin sodium,tazobactam sodium92
Ampicillin sodium, sulbactam sodium42
Oxacillin sodium42
Penicillin g benzathine42
Ampicillin injection41
Penicillin g benzathine and penicillin g procaine31
Piperacillin and tazobactam and sodium chloride31
Tazobactam sodium and piperacillin sodium31
Penicillin g21
Amoxicillin oral susp11
Amoxicillin/clav pot11
Amoxicillin/clav pot oral susp11
Omeprazole magnesium, amoxicillin and rifabutin11
Penicillin g benzathin11
Penicillin g sodium11
Piperacillin sodium, tazobactam sodium11

Companies with the most products in this class

CompanyProductsMain dosage formsMain marketing categoryNewest product started
NuCare Pharmaceuticals,Inc.82tablet, film coated; powder, for suspensionGeneric drugs (ANDA)April 1, 2024
A-S Medication Solutions72powder, for suspension; tablet, film coatedGeneric drugs (ANDA)November 21, 2022
Sandoz Inc44injection, powder, for solution; powder, for suspensionGeneric drugs (ANDA)October 25, 2021
Preferred Pharmaceuticals Inc.32powder, for suspension; tablet, film coatedGeneric drugs (ANDA)July 31, 2026
Remedyrepack Inc.32tablet, film coated; capsuleGeneric drugs (ANDA)September 21, 2026
Eugia US LLC29injection, powder, for solution; injection, powder, lyophilized, for solutionGeneric drugs (ANDA)October 12, 2023
Chartwell RX, LLC26powder, for suspension; tablet, chewableGeneric drugs (ANDA)June 18, 2007
Proficient Rx LP24powder, for suspension; tablet, film coatedGeneric drugs (ANDA)January 20, 2012
Asclemed USA, Inc.22tablet, film coated; capsuleGeneric drugs (ANDA)May 1, 2020
Fresenius Kabi USA, LLC22injection, powder, for solution; injection, powder, lyophilized, for solutionGeneric drugs (ANDA)November 1, 2020
Teva Pharmaceuticals USA, Inc.20powder, for suspension; tablet, film coatedGeneric drugs (ANDA)January 13, 2005
WG Critical Care, LLC20injection, powder, for solutionGeneric drugs (ANDA)November 30, 2021
Bryant Ranch Prepack19capsule; tablet, film coatedGeneric drugs (ANDA)October 11, 2013
PD-Rx Pharmaceuticals, Inc.17tablet, film coated; capsuleGeneric drugs (ANDA)August 23, 2016
PD-Rx Pharmaceuticals, Inc.17tablet, film coated; capsuleGeneric drugs (ANDA)October 11, 2013
Aurobindo Pharma Limited16tablet, film coated; powder, for suspensionGeneric drugs (ANDA)September 15, 2014
Onesource Specialty Pharma Limited16injection, powder, for solutionGeneric drugs (ANDA)October 12, 2026
Proficient Rx LP15powder, for suspension; tablet, film coatedGeneric drugs (ANDA)May 1, 2020
Sportpharm LLC13tablet, film coated; capsuleGeneric drugs (ANDA)August 16, 2023
Hikma Pharmaceuticals USA Inc.12powder, for suspension; tablet, film coatedGeneric drugs (ANDA)August 23, 2016
Redpharm Drug12capsule; tablet, film coatedGeneric drugs (ANDA)September 23, 2022
Armas Pharmaceuticals Inc.11injection, powder, for solutionGeneric drugs (ANDA)May 1, 2025
Avenacy, LLC11injection, powder, for solutionGeneric drugs (ANDA)September 1, 2025
Fresenius Kabi USA, LLC11injection, powder, for solution; injection, powder, lyophilized, for solutionGeneric drugs (ANDA)March 20, 2023
NorthStar RxLLC11injection, powder, for solutionGeneric drugs (ANDA)July 1, 2024
NorthStar Rx LLC10tablet, film coated; powder, for suspensionGeneric drugs (ANDA)January 20, 2012
Sagent Pharmaceuticals10injection, powder, for solution; injection, powder, lyophilized, for solutionGeneric drugs (ANDA)April 15, 2025
USAntibiotics, LLC10for suspension; capsuleAuthorized generics (NDA)December 15, 2025
Civica, Inc.9injection, powder, for solutionGeneric drugs (ANDA)September 8, 2025
Bryant Ranch Prepack8tablet, film coatedGeneric drugs (ANDA)March 1, 2017
Proficient Rx LP8powder, for suspension; tabletGeneric drugs (ANDA)November 21, 2022
Rising Pharma Holdings, Inc.8tablet, film coated; capsuleGeneric drugs (ANDA)April 29, 2008
Roerig8powder, for solution; injection, powder, for solutionGeneric drugs (ANDA)June 1, 2010
American Health Packaging7tablet, film coated; capsuleGeneric drugs (ANDA)March 25, 2025
Baxter Healthcare Corporation7injection, solutionNew drug applications (NDA)April 1, 2023
Coupler LLC7tablet, film coated; capsuleGeneric drugs (ANDA)August 3, 2026
Hawaii Repack, Inc.7powder, for suspension; capsuleGeneric drugs (ANDA)December 20, 2011
Medical Purchasing Solutions, LLC7injection, powder, for solutionGeneric drugs (ANDA)November 10, 2023
Aurobindo Pharma Limited6capsule; powder, for suspensionGeneric drugs (ANDA)October 31, 2023
Direct_Rx6tablet, film coated; powder, for suspensionGeneric drugs (ANDA)August 1, 2025
Heritage Pharmaceuticals Inc. D/B/A Avet Pharmaceuticals Inc.6powder, for solution; injection, powder, for solutionGeneric drugs (ANDA)January 31, 2025
Meitheal Pharmaceuticals Inc.6injection, powder, for solutionGeneric drugs (ANDA)November 27, 2006
Northwind Health Company, LLC6capsule; tablet, film coatedGeneric drugs (ANDA)September 15, 2026
Pfizer Laboratories Div Pfizer Inc6injection, suspensionNew drug applications (NDA)May 18, 1953
Professional Complementary Health Formulas6liquidUnapproved homeopathic productsAugust 15, 1984
QPharma, Inc.6capsule; tablet, film coatedGeneric drugs (ANDA)April 29, 2008
Bryant Ranch Prepack5tablet, film coatedGeneric drugs (ANDA)March 1, 2017
Devatis, Inc.5powder, for suspension; tablet, film coatedGeneric drugs (ANDA)November 1, 2024
Micro Labs Limited5tablet, film coated; capsuleGeneric drugs (ANDA)November 1, 2022
Provepharm Inc.5injection, powder, lyophilized, for solutionGeneric drugs (ANDA)January 11, 2023
Apotex Corp.4injection, powder, for solution; injection, powder, lyophilized, for solutionGeneric drugs (ANDA)September 26, 2023
HF Acquisition Co LLC, DBA HealthFirst4injection, powder, for solutionGeneric drugs (ANDA)December 1, 2024
Hospira, Inc.4injection, powder, lyophilized, for solutionGeneric drugs (ANDA)December 14, 2016
NuCare Pharmaceuticals, Inc.4tablet, chewable; powder, for suspensionGeneric drugs (ANDA)June 19, 2006
PD-Rx Pharmaceuticals, Inc.4tablet, film coated; tablet, chewableGeneric drugs (ANDA)October 31, 2002
Shandong Anxin Pharmaceutical Co., Ltd.4injection, powder, for solution; injection, powder, lyophilized, for solutionGeneric drugs (ANDA)April 14, 2023
Advanced Rx of Tennessee, LLC3tablet, film coated; capsuleGeneric drugs (ANDA)March 3, 2023
B. Braun Medical Inc.3injection, solutionNew drug applications (NDA)September 30, 2025
BluePoint Laboratories3injection, powder, for solutionGeneric drugs (ANDA)August 11, 2021
Chartwell Governmental & Specialty RX, LLC.3capsuleGeneric drugs (ANDA)September 30, 1990
Hikma Pharmaceuticals USA Inc.3injection, powder, for solutionGeneric drugs (ANDA)December 22, 2009
Wockhardt USA LLC.3injection, powder, for solutionGeneric drugs (ANDA)November 24, 2017
Wyeth Pharmaceuticals LLC, a Subsidiary of Pfizer Inc.3injection, solutionNew drug applications (NDA)March 1, 1998
Henry Schein, Inc.2injection, powder, for solutionGeneric drugs (ANDA)July 31, 2026
Medsource Pharmaceuticals2tablet, film coatedGeneric drugs (ANDA)March 1, 2017
Milla Pharmaceuticals Inc.2injection, powder, lyophilized, for solutionGeneric drugs (ANDA)January 11, 2023
Allegis Holdings, LLC1for suspensionNew drug applications (NDA)September 1, 2023
Asclemed USA Inc.1for suspensionAuthorized generics (NDA)April 1, 2024
Athenex Pharmaceutical Division, LLC.1injection, powder, for solutionGeneric drugs (ANDA)May 21, 2019
Cipla USA Inc.1suspensionGeneric drugs (ANDA)October 28, 2024
Direct RX1powder, for suspensionGeneric drugs (ANDA)January 1, 2014
Health Department, Oklahoma State1capsuleGeneric drugs (ANDA)November 9, 2005
Laboratrios Atral, S.A.1injection, powder, for suspensionUnapproved drugs for a shortageJune 1, 2024
ProPharma Distribution1injection, powder, for solutionGeneric drugs (ANDA)February 1, 2012
RedHill Biopharma Ltd1capsule, delayed releaseNew drug applications (NDA)March 9, 2020

Dosage forms

Dosage formProductsShare
Tablet, film coated21025%
Injection, powder, for solution19122.7%
Powder, for suspension14517.3%
Capsule13716.3%
Injection, powder, lyophilized, for solution404.8%
Tablet202.4%
Powder, for solution192.3%
Tablet, coated151.8%
Tablet, chewable141.7%
Injection, solution131.5%
For suspension111.3%
Suspension70.8%

Updated November 6, 2026. Read from US Food and Drug Administration, National Drug Code Directory (openFDA). CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.