Our Paper and Industrial Converted Products segment accounted for approximately 37%, 35% and 37% of consolidated net sales in the years ended December 31, 2019, 2018 and 2017, respectively. This segment serves its markets through 183 plants on six continents. Our paper operations provide the primary raw material for our fiber-based packaging. We use approximately 52% of the paper we manufacture, and the remainder is sold to third parties. This vertical integration strategy is supported by 25 paper mills with 34 paper machines and 24 recycling facilities throughout the world. In 2019, we had the capacity to manufacture approximately 2.4 million tons of recycled paperboard. The Paper and Industrial Converted Products segment consists of the following products and services: recycled paperboard, chipboard, tubeboard, lightweight corestock, boxboard, linerboard, corrugating medium, edgeboard, specialty paper grades, adhesives; paperboard tubes and cores, molded plugs, reels; collection, processing and recycling of old corrugated containers, paper, plastics, metal, glass and other recyclable materials; and flexible intermediate bulk containers and bulk bags. The Paper and Industrial Converted Products segment serves the following markets: converted paperboard products, spiral winders, construction, plastic films, flowable products, metal, paper mills, shipping and storage, tape and labels, textiles, wire and cable, adhesives, municipal, residential, and customers’ manufacturing and distribution facilities.
Our Protective Solutions segment accounted for approximately 10%, 10%, and 11% of consolidated net sales in the years ended December 31, 2019, 2018 and 2017, respectively. The operations in this segment consist of 29 plants throughout the world. The Protective Solutions segment produces custom-engineered, paperboard-based and expanded foam protective packaging and components; and temperature-assured packaging. The Protective Solutions segment serves the following markets: consumer electronics, automotive, appliances, medical devices, temperature-sensitive pharmaceuticals and food, heating and air conditioning, office furnishings, fitness equipment, and promotional and palletized distribution
Our principal office is located at 1 N. Second St., Hartsville, SC 29550, our telephone number is (843)383-7000 and our website address is www.sonoco.com. The information on our website is not incorporated by reference in, and does not form a part of, this prospectus supplement or the accompanying prospectus.
Recent Developments
Preliminary Unaudited First Quarter Results
On April 16, 2020, we reported our preliminary unaudited financial results as of and for the three months ended March 29, 2020. We reported net sales for the three months ended March 29, 2020 of $1,303 million, compared with $1,352 million for the three months ended March 31, 2019 and net income attributable to us for the three months ended March 29, 2020 of $80.4 million compared with $73.7 million for the three months ended March 31, 2019. At March 29, 2020, we had total debt of $1,640 million, cash and cash equivalents of $123.3 million and total stockholders’ equity of $1,755 million.
The results of operations and related financial information for the first quarter ended March 29, 2020 are preliminary and may change as a result of the completion of our financial closing procedures. Accordingly, these preliminary unaudited results may materially differ from the actual results that will be reflected in our consolidated financial statements for the three months ended March 29, 2020 when they are completed and publicly filed with the SEC on our Quarterly Report on Form 10-Q for the quarter ended March 29, 2020.
The preliminary first quarter 2020 financial data included in this prospectus supplement has been prepared by, and is the responsibility of, our management. PricewaterhouseCoopers LLP has not audited, reviewed, compiled, or applied agreed-upon procedures with respect to the preliminary financial data. Accordingly, PricewaterhouseCoopers LLP does not express an opinion or any other form of assurance with respect thereto.
Liquidity Measures
To enhance our financial liquidity, on March 18, 2020 we closed and funded a new $150 million,364-day term loan, the proceeds from which were used to repay a portion of outstanding commercial paper. On April 1,