Pharmaceutical Manufacturing Companies in California

California has approximately 35,000 manufacturing establishments and 1,300,000 manufacturing employees. California is the largest manufacturing state by output, leading in aerospace, semiconductors, medical devices, and food processing across its diverse regional economies.

California is one of the leading states for pharmaceutical manufacturing. Pharmaceutical manufacturing includes companies that produce prescription drugs, over-the-counter medications, generic drugs, and active pharmaceutical ingredients (APIs). The US pharmaceutical industry spans large-scale continuous process manufacturing of solid dosage forms to sterile fill-finish operations for injectables and biologics.

Solid Dosage Manufacturers: Companies producing tablets, capsules, and oral solid dosage forms using granulation, compression, and coating equipment.

Sterile Fill-Finish Operations: Facilities performing aseptic filling of vials, syringes, and IV bags in cleanroom environments.

API Manufacturers: Chemical manufacturing plants producing active pharmaceutical ingredients through synthesis and purification processes.

CDMOs: Contract development and manufacturing organizations providing drug manufacturing services to pharma companies.

Packaging & Labeling Operations: Companies providing pharmaceutical packaging, serialization, and labeling in compliance with FDA track-and-trace requirements.

Major industrial centers in California include Los Angeles, San Diego, San Jose, San Francisco, Fresno, Irvine, and Long Beach. These cities have concentrations of manufacturers across sectors including semiconductor manufacturing, aerospace manufacturing, and medical device manufacturing.