DCI vs VIAV Comparison

Donaldson is a leading manufacturer of filtration systems and replacement parts, including air filtration systems, liquid filtration systems, and dust, fume, and mist collectors. The company serves a diverse range of end markets, including construction, mining, agriculture, truck, and industrial. Its business is organized into three segments: mobile solutions, industrial solutions, and life sciences. Donaldson generated approximately $3.9 billion in revenue in its fiscal year 2026.

Viavi Solutions Inc is a world-wide leader in test and measurement and optical technologies. Its test and measurement, and resilient Position, Navigation and Timing (PNT) solutions enable and secure critical infrastructure ranging from data center ecosystems and communication networks to military, aerospace, railway and first responder communications. In addition, it develop and advance technologies used in high-volume optical applications across anti-counterfeiting, consumer electronics, aerospace, industrial and automotive end markets. The company's segments are Network and Service Enablement (NSE); and Optical Security and Performance Products (OSP). Majority of revenue comes from NSE segment. It has presence in Americas, Asia-Pacific, and EMEA. Majority of revenue is from America.