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v3.22.1

Revenue from Contracts with Customers (Tables) | 3 Months Ended
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Mar. 31, 2022
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenues | The following tables provide further disaggregation of our revenues, by categories we use to evaluate our financial performance within each of our reportable segments, for the three months ended March 31, 2022 and 2021 (in thousands):
| For the three months ended March 31,
| 2022 |  | % of Total |  | 2021 |  | % of Total
United States electrical construction and facilities services: |  |  |  |  |  |  |
Commercial market sector | $ | 270,315 |  |  | 52 | % |  | $ | 245,841 |  |  | 53 | %
Manufacturing market sector | 66,465 |  |  | 13 | % |  | 48,454 |  |  | 11 | %
Healthcare market sector | 32,070 |  |  | 6 | % |  | 20,151 |  |  | 4 | %
Institutional market sector | 31,766 |  |  | 6 | % |  | 43,639 |  |  | 9 | %
Transportation market sector | 45,082 |  |  | 8 | % |  | 42,031 |  |  | 9 | %
Water and wastewater market sector | 5,312 |  |  | 1 | % |  | 3,651 |  |  | 1 | %
Hospitality market sector | 2,623 |  |  | 1 | % |  | 4,664 |  |  | 1 | %
Short duration projects (1) | 56,048 |  |  | 11 | % |  | 44,409 |  |  | 10 | %
Service work | 13,329 |  |  | 2 | % |  | 7,765 |  |  | 2 | %
| 523,010 |  |  |  |  | 460,605 |  |  |
Less intersegment revenues | (980) |  |  |  |  | (1,210) |  |  |
Total segment revenues | $ | 522,030 |  |  |  |  | $ | 459,395 |  |  |
________ (1)Represents those projects which generally are completed within three months or less. NOTE 3 - Revenue from Contracts with Customers (Continued)
| For the three months ended March 31,
| 2022 |  | % of Total |  | 2021 |  | % of Total
United States mechanical construction and facilities services: |  |  |  |  |  |  |
Commercial market sector | $ | 379,604 |  |  | 38 | % |  | $ | 366,477 |  |  | 40 | %
Manufacturing market sector | 149,571 |  |  | 15 | % |  | 121,686 |  |  | 13 | %
Healthcare market sector | 120,051 |  |  | 12 | % |  | 112,656 |  |  | 12 | %
Institutional market sector | 70,627 |  |  | 7 | % |  | 69,304 |  |  | 8 | %
Transportation market sector | 16,053 |  |  | 2 | % |  | 18,417 |  |  | 2 | %
Water and wastewater market sector | 61,744 |  |  | 6 | % |  | 43,848 |  |  | 5 | %
Hospitality market sector | 8,079 |  |  | 1 | % |  | 8,529 |  |  | 1 | %
Short duration projects (1) | 62,294 |  |  | 6 | % |  | 86,765 |  |  | 9 | %
Service work | 134,715 |  |  | 13 | % |  | 88,490 |  |  | 10 | %
| 1,002,738 |  |  |  |  | 916,172 |  |  |
Less intersegment revenues | (2,268) |  |  |  |  | (1,671) |  |  |
Total segment revenues | $ | 1,000,470 |  |  |  |  | $ | 914,501 |  |  |
________ (1)Represents those projects which generally are completed within three months or less.
| For the three months ended March 31,
| 2022 |  | % of Total |  | 2021 |  | % of Total
United States building services: |  |  |  |  |  |  |
Mobile mechanical services | $ | 373,571 |  |  | 60 | % |  | $ | 351,317 |  |  | 62 | %
Commercial site-based services | 203,550 |  |  | 32 | % |  | 175,647 |  |  | 31 | %
Government site-based services | 50,680 |  |  | 8 | % |  | 41,072 |  |  | 7 | %
Total segment revenues | $ | 627,801 |  |  |  |  | $ | 568,036 |  |  |
| For the three months ended March 31,
| 2022 |  | % of Total |  | 2021 |  | % of Total
United States industrial services: |  |  |  |  |  |  |
Field services | $ | 271,418 |  |  | 87 | % |  | $ | 207,554 |  |  | 88 | %
Shop services | 39,333 |  |  | 13 | % |  | 27,828 |  |  | 12 | %
Total segment revenues | $ | 310,751 |  |  |  |  | $ | 235,382 |  |  |
Total United States operations | $ | 2,461,052 |  |  |  |  | $ | 2,177,314 |  |  |
| For the three months ended March 31,
| 2022 |  | % of Total |  | 2021 |  | % of Total
United Kingdom building services: |  |  |  |  |  |  |
Service work | $ | 64,817 |  |  | 49 | % |  | $ | 61,991 |  |  | 49 | %
Project work | 66,680 |  |  | 51 | % |  | 64,744 |  |  | 51 | %
Total segment revenues | $ | 131,497 |  |  |  |  | $ | 126,735 |  |  |
Total operations | $ | 2,592,549 |  |  |  |  | $ | 2,304,049 |  |  |
Accounts Receivable, Allowance for Credit Losses | The change in the allowance for credit losses for the three months ended March 31, 2022 was as follows (in thousands):
Balance at December 31, 2021 | $ | 23,534 |
Provision for credit losses | 15 |
Amounts written off against the allowance, net of recoveries | (593) |
Balance at March 31, 2022 | $ | 22,956 |
Contract Assets and Contract Liabilities | Net contract liabilities in the accompanying Consolidated Balance Sheets consisted of the following as of March 31, 2022 and December 31, 2021 (in thousands):
| March 31, 2022 |  | December 31, 2021
Contract assets, current | $ | 262,119 |  |  | $ | 230,143 |
Contract assets, non-current | — |  |  | — |
Contract liabilities, current | (827,708) |  |  | (788,134) |
Contract liabilities, non-current | (1,663) |  |  | (2,505) |
Net contract liabilities | $ | (567,252) |  |  | $ | (560,496) |
Remaining Performance Obligations | The following table presents the transaction price allocated to remaining unsatisfied performance obligations (“remaining performance obligations”) for each of our reportable segments and their respective percentages of total remaining performance obligations as of March 31, 2022 (in thousands, except for percentages):
| March 31, 2022 |  | % of Total
Remaining performance obligations: |  |  |
United States electrical construction and facilities services | $ | 1,297,086 |  |  | 22 | %
United States mechanical construction and facilities services | 3,384,089 |  |  | 57 | %
United States building services | 995,003 |  |  | 16 | %
United States industrial services | 116,496 |  |  | 2 | %
Total United States operations | 5,792,674 |  |  | 97 | %
United Kingdom building services | 160,207 |  |  | 3 | %
Total operations | $ | 5,952,881 |  |  | 100 | %
Remaining Performance Obligations, Expected Timing of Satisfaction | Refer to the table below for additional information regarding our remaining performance obligations, including an estimate of when we expect to recognize such remaining performance obligations as revenue (in thousands):
| Within one year |  | Greater than one year
Remaining performance obligations: |  |  |
United States electrical construction and facilities services | $ | 1,150,600 |  |  | $ | 146,486 |
United States mechanical construction and facilities services | 2,737,236 |  |  | 646,853 |
United States building services | 892,868 |  |  | 102,135 |
United States industrial services | 116,496 |  |  | — |
Total United States operations | 4,897,200 |  |  | 895,474 |
United Kingdom building services | 135,870 |  |  | 24,337 |
Total operations | $ | 5,033,070 |  |  | $ | 919,811 |

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