Nielsen Biosciences INC

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Their homepage, crawled AUG 1, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

Pharmaceutical Preparation Manufacturing

HeadquartersSan Diego, CA

SAM.gov UEISHNFXT179KQ6

Brands

PhysicianResearch DoctorWoman Exercising

This company sells these brands.

Nielsen BioSciences develops immunotherapies and diagnostic skin test antigens. The company produces Candin, a diagnostic used to assess cell-mediated immune system function, and Spherusol, a skin test antigen for detecting immune response to Coccidioides in persons with a history of coccidioidomycosis. The company is conducting a Phase 3 clinical trial evaluating an investigational treatment for human papillomavirus conditions including common warts.

Facility	City	State	Employees	Status
Nielsen Biosciences INC	San Diego	CA	—	◐ LIKELY ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.