Note M –  Segment Information Notes to Consolidated Financial Statements EMCOR has the following reportable segments: United States electrical construction and facilities services, United States mechanical  construction and facilities services, Canada construction and facilities services and United Kingdom construction and facilities services. United States other services primarily represents those operations which principally provide consulting and maintenance services. Other international construction and facilities services represents EMCOR’s operations outside of the United States, Canada, and the United Kingdom, primarily in South Africa and the Middle East, performing electrical construction, mechanical construction and facilities  services. Extraordinary item - loss on early extinguishment of debt, net of income taxes, of $4.8 million for the year ended December 31, 1998 is related to the Corporate Administration of EMCOR. The following presents information about industry segments and geographic areas for the years ended December 31, 2000, 1999 and 1998 (in thousands): 37 EMCOR, 2000 Annual Report 2000 1999 1998 Revenues from unrelated entities: United States electrical construction and facilities services $ 1,350,716 $ 993,073 $ 888,594 United States mechanical construction and facilities services 1,253,663 1,053,727 599,616 United States other services 172,279 96,150 14,392 Total United States operations 2,776,658 2,142,950 1,502,602 Canada construction and facilities services 236,961 196,694 201,918 United Kingdom construction and facilities services 446,251 553,654 493,278 Other international construction and facilities services 334 664 12,576 Total worldwide operations $ 3,460,204 $ 2,893,962 $ 2,210,374 Total revenues: United States electrical construction and facilities services $ 1,373,977 $ 1,000,234 $ 892,090 United States mechanical construction and facilities services 1,275,253 1,061,326 601,975 United States other services 175,246 96,843 14,449 Less intersegment revenues (47,818) (15,453) (5,912) Total United States operations 2,776,658 2,142,950 1,502,602 Canada construction and facilities services 236,961 196,694 201,918 United Kingdom construction and facilities services 446,251 553,654 493,278 Other international construction and facilities services 334 664 12,576 Total worldwide operations $ 3,460,204 $ 2,893,962 $ 2,210,374 Operating income (loss): United States electrical construction and facilities services $ 58,644 $ 38,485 $ 36,315 United States mechanical construction and facilities services 36,345 37,815 20,955 United States other services (5,989) (4,390) (4,783) Total United States operations 89,000 71,910 52,487 Canada construction and facilities services 5,160 3,991 5,000 United Kingdom construction and facilities services 6,026 3,208 (876) Other international construction and facilities services 551 (355) (1,260) Corporate administration (21,812) (20,663) (18,127) Total worldwide operations 78,925 58,091 37,224 Other corporate items: Interest expense (9,705) (10,520) (11,041) Interest income 2,367 2,107 3,558 Income before taxes and extraordinary item $ 71,587 $ 49,678 $ 29,741