14. Activity of Business Segments The Company operates through three segments: Building Supply: consisting of a line of construction supply weatherization products. The construction supply weatherization products consist of housewrap and synthetic roof underlayment, as well as other woven material. A portion of the Companys equity in income of unconsolidated affiliate (Harmony) is included in the total segment income for the Building Supply segment. Disposable Protective Apparel: consisting of a complete line of disposable protective clothing, such as shoecovers (including the Aqua Trak and spunbond shoecovers), bouffant caps, coveralls, frocks, lab coats, gowns and hoods for the pharmaceutical, cleanroom, industrial and medical markets. A portion of the Companys equity in income of unconsolidated affiliate (Harmony) is included in the total segment income for the Disposable Protective Apparel segment. Infection Control: consisting of a line of face masks and eye shields. The accounting policies of the segments are the same as those described previously under Summary of Significant Accounting Policies (see Note 2 ). Segment data excludes charges allocated to the principal executive office and other corporate unallocated expenses and income taxes. The Company evaluates the performance of its segments and allocates resources to them based primarily on net sales. The following table presents net sales for each segment: Years Ended December 31, 2018 2017 Building Supply $ 26,035,000 $ 24,641,000 Disposable Protective Apparel 15,612,000 14,250,000 Infection Control 4,977,000 5,134,000 Consolidated net sales $ 46,624,000 $ 44,025,000 The following table presents the reconciliation of total segment income to total consolidated net income: Years Ended December 31, 2018 2017 Building Supply $ 3,836,000 $ 4,143,000 Disposable Protective Apparel 2,862,000 2,516,000 Infection Control 1,722,000 1,844,000 Total segment income 8,420,000 8,503,000 Unallocated corporate overhead expenses 4,006,000 4,833,000 Provision for income taxes 789,000 1,037,000 Consolidated net income $ 3,625,000 $ 2,633,000 The following table presents net sales and long-lived asset information by geographic area: Years Ended December 31, 2018 2017 Net sales by geographic region United States $ 45,595,000 $ 43,169,000 International 1,029,000 856,000 Consolidated net sales $ 46,624,000 $ 44,025,000 As of December 31, 2018 2017 Long-lived assets by geographic region United States $ 2,528,000 $ 2,593,000 International 716,000 565,000 Consolidated total long-lived assets $ 3,244,000 $ 3,158,000 Net sales by geographic region are based on the countries in which the customers are located. For the years ended December 31, 2018 and 2017, the Company did not generate sales from any single country, except the United States, that were significant to the Companys consolidated net sales. The following table presents the consolidated net property, equipment, goodwill and intangible assets by segment: As of December 31, 2018 2017 Disposable Protective Apparel $ 386,000 $ 336,000 Building Supply 1,908,000 2,098,000 Infection Control 14,000 13,000 Total segment assets 2,308,000 2,447,000 Unallocated corporate assets 1,007,000 787,000 Total consolidated assets $ 3,315,000 $ 3,234,000