Percival Scientific Employee Directory

Biotechnology ResearchIowa, United States51-200 Employees

Percival Scientific designs and manufactures environmental growth chambers that enable precise control of temperature, humidity, and lighting for research settings, including universities, government institutions, and commercial enterprises worldwide. The company performs engineering, design, fabrication, and construction in-house for its biological incubators and related products, preserving control over the manufacturing process to support product quality. Its customer base encompasses higher education institutions, government agencies, and researchers seeking reliable environmental conditions for experimental work.

Headquartered in Perry, Iowa, the firm is a small to mid-sized biotechnology company with a history that stretches back to 1886, when Percival Manufacturing operated in Des Moines and developed refrigerated cabinet technology. The company later played a pivotal role in the evolution of plant growth chambers, introducing the first commercially available chamber in the 1950s. In 2023, Percival Scientific partnered with Cold Spring Harbor Laboratory to install two plant growth chambers at Uplands Farm in Cold Spring Harbor, New York.

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