MasTec, Inc. engages in the provision of infrastructure construction services. It operates through the following segments: Communications; Oil and Gas; Electrical Transmissions; Power Generation and Industrial; and Other. The Communications segment performs engineering, construction, maintenance and customer fulfillment activities related to communications infrastructure, primarily for wireless and wireline/fiber communications, and install-to-the-home customers. The Oil and Gas segment offers services on oil and natural gas pipelines and processing facilities for the energy, and utilities industries. The Electrical Transmission segment serves the energy and utility industries through the engineering, construction, and maintenance of electrical transmission lines and substations. The Power Generation and Industrial segment covers energy, utility and other end-markets through the installation and construction of conventional and renewable power facilities, related electrical transmission infrastructure, ethanol/biofuel facilities, and various types of heavy civil and industrial infrastructure. The Other segment comprises of equity investees, other small business units that perform construction, and other services for a variety of international end-markets. The company was founded by Russell Burnup and Riley Sims in 1929 and is headquartered in Coral Gables, FL.
Revenue. For the three month period ended September 30, 2019, consolidated revenue totaled $2,017 million as compared with $1,977 million for the same period in 2018, an increase of $39 million, or 2%. Revenue increased in our Power Generation and Industrial segment by $82 million, or 46%, in our Communications segment by $18 million, or 3%, and in our Electrical Transmission segment by $4 million, or 4%, offset, in part, by a decrease in revenue our Oil and Gas segment of $63 million, or 6%. Acquisitions contributed $42 million in revenue for the three month period ended September 30, 2019, and organic revenue decreased by approximately $2 million as compared with the same period in 2018.
Communications Segment. Communications revenue was $680 million for the three month period ended September 30, 2019, as compared with $662 million for the same period in 2018, an increase of $18 million, or 3%. Organic revenue increased by approximately $16 million, or 2%, as compared with the same period in 2018, and acquisitions contributed $2 million of revenue for the three month period ended September 30, 2019. The increase in organic revenue was primarily driven by higher levels of wireless and wireline/fiber revenue, partially offset by a decrease in install-to-the-home revenue as compared with the same period in the prior year.
Oil and Gas Segment. Oil and Gas revenue was $973 million for three month period ended September 30, 2019, as compared with $1,036 million for the same period in 2018, a decrease of $63 million, or 6%. Organic revenue decreased by approximately $103 million, or 10%, as compared with the same period in 2018, and acquisitions contributed $40 million of revenue for the three month period ended September 30, 2019. The decrease in organic revenue was due primarily to the effect of regulatory disruptions on selected long-haul pipeline construction activity, offset in part by project activity and mix, including increased demand for other pipeline projects.