MLM vs ERIC Comparison

Martin Marietta is a leading US producer of construction aggregates, having produced roughly 200 million tons in 2025. Its aggregate reserves represent approximately 85 years of supply at 2025 production levels. Over the past several years, the company has increased its exposure to aggregates while reducing its presence in cement and downstream businesses such as concrete and asphalt. More recently, Martin Marietta expanded into an aggregate-adjacent business through its acquisition of Lhoist North America, the largest US producer of lime. The company operates across 28 states, with smaller operations in Canada and the Bahamas.

Ericsson is a networking equipment and software provider, primarily selling mobile networking equipment and services to wireless service providers. Ericsson operates in three segments: networks, cloud software and services, and enterprise. While large wireless carriers are its largest customers, Ericsson has expanded its offerings for large enterprises. These products and services include private 5G networking, contact centers as a service, and application performance interfaces. Ericsson aims to combine its 5G network expertise with cloud-native, as-a-service platforms offering a more comprehensive hardware and software package. Ericsson also monetizes its research and development investments by licensing patents to handset manufacturers.