The following tables present financial information with respect to the Companys segments. Corporate and Other represents costs not directly associated with a segment, such as interest expense, income taxes and corporate overhead. Corporate assets include cash, deferred financing costs, derivatives and entity-level machinery equipment. (Thousands of Dollars) Three Months Ended March 31, 2020 2019 Operations by business segment Revenue: Completion Services $ 512,871 $ 411,975 WC&amp;I 56,825 9,679 Well Support Services 57,929  Total revenue $ 627,625 $ 421,654 Adjusted gross profit (loss): Completion Services (1) $ 97,876 $ 85,305 WC&amp;I (1) 8,784 (1,297 ) Well Support Services (1) 12,338  Total adjusted gross profit $ 118,998 $ 84,008 Operating income (loss): Completion Services $ (13,102 ) $ 17,967 WC&amp;I 3,011 (2,170 ) Well Support Services 10,940  Corporate and Other (66,702 ) (31,682 ) Total operating income (loss) $ (65,853 ) $ (15,885 ) Depreciation and amortization: Completion Services $ 75,540 $ 66,747 WC&amp;I 4,273 873 Well Support Services 1,527  Corporate and Other 4,481 3,856 Total depreciation and amortization $ 85,821 $ 71,476 Net income (loss): Completion Services $ (13,102 ) $ 17,967 WC&amp;I 3,011 (2,170 ) Well Support Services 10,940  Corporate and Other (72,605 ) (37,603 ) Total net income (loss) $ (71,756 ) $ (21,806 ) (1) Adjusted gross profit (loss) at the segment level is not considered to be a non-GAAP financial measure as it is the Company's segment measure of profitability and is required to be disclosed under GAAP pursuant to ASC 280. Adjusted gross profit (loss) is defined as revenue less cost of services, further adjusted to eliminate items in cost of services that management does not consider in assessing ongoing performance. (2) Excludes expenditures for leasehold improvements and finance leases. Three Months Ended March 31, 2020 Completion Services WC&amp;I Well Support Services Total Revenue $ 512,871 $ 56,825 57,929 $ 627,625 Cost of Services 417,382 49,253 45,591 512,226 Gross profit excluding depreciation and amortization 95,489 7,572 12,338 115,399 Management adjustments associated with cost of services 2,387 1,212  3,599 Adjusted gross profit $ 97,876 $ 8,784 $ 12,338 $ 118,998 Three Months Ended March 31, 2019 Completion Services WC&amp;I Well Support Services Total Revenue $ 411,975 $ 9,679  $ 421,654 Cost of services 326,670 10,976  337,646 Gross profit excluding depreciation and amortization 85,305 (1,297 )  84,008 Management adjustments associated with cost of services     Adjusted gross profit $ 85,305 $ (1,297 ) $  $ 84,008 (Thousands of Dollars) March 31, 2020 December 31, 2019 Total assets by segment: Completion Services $ 1,063,975 $ 1,091,965 WC&amp;I 106,347 106,493 Well Support Services  109,792 Corporate and Other 616,537 356,657 Total assets $ 1,786,859 $ 1,664,907 Goodwill by segment: Completion Services $ 104,198 $ 136,425 WC&amp;I  372 Well Support Services  661 Corporate and Other   Total goodwill $ 104,198 $ 137,458