Nielsen-Kellerman Company
Computers and Electronics ManufacturingPennsylvania, United States51-200 Employees
Nielsen-Kellerman Company is a United States-based manufacturer in the computers and electronics sector, headquartered in Boothwyn, Pennsylvania, with additional locations in Chandler, Arizona and Trenton, Maine, and a workforce of 51 to 200 employees. It operates as the parent company of several brands that develop precision, rugged electronic instruments for environmental measurement, athletic performance, and related applications. Its brands include Kestrel Weather Instruments (portable weather meters and loggers), Ambient Weather (weather stations and sensors with an online dashboard), RainWise (weather stations, solar monitoring, rain gauges and IoT-ready solutions), Kestrel Ballistics (environmental data-enabled ballistics calculators), NK Sports Performance (waterproof speed measurement, timing and audio systems for rowing/paddling), and Blue Ocean Megaphones (portable, rugged public address devices). The company designs and builds most of its products in the USA and prioritizes work with US suppliers where possible. The company has a history of acquisitions and leadership changes, including the acquisition of Magnetospeed assets and Ambient Weather-related entities, with a CEO appointment in 2023 and notable corporate activity announced in 2024.