the COVID-19 pandemic on the global economy and capital markets, among many other factors, all of which remain highly uncertain and unpredictable. In addition, the COVID-19 pandemic could impact the health of our management team and other employees. There can be no assurance that the COVID-19 pandemic will not have a material and adverse effect on our business, operations, financial condition, liquidity and results of operations in the future.
New Reportable Business Segments
Effective January 1, 2022, the Company aligned its businesses into the following three newly formed reportable business segments, which have replaced our historic reportable business segments:
●Harsh Environment Solutions – the Harsh Environment Solutions segment designs, manufactures and markets a broad range of ruggedized interconnect products, including connectors and interconnect systems, printed circuits and printed circuit assemblies and other products for use in the industrial, military, commercial aerospace, automotive, mobile networks and information technology and data communications end markets.
●Communications Solutions – the Communications Solutions segment designs, manufactures and markets a broad range of connector and interconnect systems, including high speed, radio frequency, power, fiber optic and other products, together with antennas, for use in the information technology and data communications, mobile devices, industrial, mobile networks, broadband communications, automotive, commercial aerospace and military end markets.
●Interconnect and Sensor Systems – the Interconnect and Sensor Systems segment designs, manufactures and markets a broad range of sensors, sensor-based systems, connectors and value-add interconnect systems used in the automotive, industrial, information technology and data communications, mobile networks, military and commercial aerospace end markets.
This new alignment reinforces the Company’s entrepreneurial culture and the clear accountability of each of our business unit general managers, while enhancing the scalability of Amphenol’s business for the future. The Company began reporting under its new reportable segments in connection with its Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2022. As part of this Quarterly Report on Form 10-Q, the Company has included the recasting of relevant prior year period segment information in order to enable year-over-year segment comparisons. Refer to Note 13 of the Notes to Condensed Consolidated Financial Statements, as well as the 2021 Annual Report, for further details related to the Company’s change in its reportable business segments effective January 1, 2022.
Results of Operations
Three and six months ended June 30, 2022 compared to the three and six months ended June 30, 2021
Net sales were $3,136.8 in the second quarter of 2022 compared to $2,653.9 in the second quarter of 2021, which represented an increase of 18% in U.S. dollars, 21% in constant currencies and 18% organically, over the respective prior year period. Net sales were $6,088.6 in the first six months of 2022 compared to $5,031.0 in the first six months of 2021, which represented an increase of 21% in U.S. dollars, 23% in constant currencies and 18% organically, over the respective prior year period. The increases in net sales in the second quarter and first six months of 2022 were driven by robust growth across all three reportable business segments, as described below. From a market standpoint, the increases in net sales were driven by double-digit organic growth across several markets, including the automotive, information technology and data communications, industrial, broadband communications, and commercial aerospace markets and moderate growth in the mobile devices and mobile networks markets, along with contributions from the Company’s acquisition program.
Net sales in the Harsh Environment Solutions segment (approximately 25% of net sales) in the second quarter of 2022 increased 14% in U.S. dollars, 17% in constant currencies and 16% organically, compared to the second quarter of 2021. Net sales in the Harsh Environment Solutions segment in the first six months of 2022 increased 15% in U.S. dollars, 17% in constant currencies and 16% organically, compared to the first six months of 2021. The increases in the second quarter and first six months of 2022 were driven primarily by strong organic growth in the industrial, automotive,