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Reportable Segments | 3 Months Ended
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Mar. 31, 2022
Reportable Segments |
Reportable Segments | Note 15—Reportable Segments ​ The current reportable segments include the Utilities segment, the Energy/Renewables segment, and the Pipeline segment. ​ Each of our reportable segments is composed of similar business units that specialize in services unique to the segment. Driving the end-user focused segments are differences in the economic characteristics of each segment, the nature of the services provided by each segment; the production processes of each segment; the type or class of customer using the segment’s services; the methods used by the segment to provide the services; and the regulatory environment of each segment’s customers. ​ The classification of revenue and gross profit for segment reporting purposes can at times require judgment on the part of management. Our segments may perform services across industries or perform joint services for customers in multiple industries. To determine reportable segment gross profit, certain allocations, including allocations of shared and indirect costs, such as facility costs, equipment costs and indirect operating expenses, were made. ​ The following is a brief description of the reportable segments: ​ The Utilities segment operates throughout the United States and specializes in a range of services, including the installation and maintenance of new and existing natural gas and electric utility distribution and transmission systems, and communications systems. ​ The Energy/Renewables segment operates throughout the United States and in Canada and specializes in a range of services that include engineering, procurement, and construction, retrofits, highway and bridge construction, demolition, site work, soil stabilization, mass excavation, flood control, upgrades, repairs, outages, and maintenance services for entities in the renewable energy and energy storage, renewable fuels, and petroleum and petrochemical industries, as well as state departments of transportation. ​ The Pipeline segment operates throughout the United States and specializes in a range of services, including pipeline construction and maintenance, pipeline facility and integrity services, installation of compressor and pump stations, and metering facilities for entities in the petroleum and petrochemical industries, as well as gas, water, and sewer utilities. ​ All intersegment revenue and gross profit, which was immaterial, has been eliminated in the following tables. Total assets by segment is not presented as our Chief Operating Decision Maker as defined by ASC 280 does not review or allocate resources based on segment assets. ​ Segment Revenue ​ Revenue by segment was as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended March 31,
​ | ​ | 2022 | ​ | 2021
​ | ​ | ​ | ​ | ​ | % of | ​ | ​ | ​ | ​ | % of
​ | ​ | ​ | ​ | ​ | Total | ​ | ​ | ​ | ​ | Total
Segment |  | Revenue |  | Revenue |  | Revenue |  | Revenue
Utilities | ​ | $ | 358,728 |  | 45.7% | ​ | $ | 335,012 |  | 40.9%
Energy/Renewables | ​ | ​ | 359,050 | ​ | 45.8% | ​ | ​ | 352,864 | ​ | 43.2%
Pipeline | ​ |  | 66,606 |  | 8.5% | ​ |  | 130,453 |  | 15.9%
Total | ​ | $ | 784,384 |  | 100.0% | ​ | $ | 818,329 |  | 100.0%
​ Segment Gross Profit ​ Gross profit by segment was as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended March 31,
​ | ​ | 2022 | ​ | 2021
​ | ​ | ​ | ​ | ​ | % of | ​ | ​ | ​ | ​ | % of
​ | ​ | ​ | ​ | ​ | Segment | ​ | ​ | ​ | ​ | Segment
Segment |  | Gross Profit |  | Revenue |  | Gross Profit |  | Revenue
Utilities | ​ | $ | 22,354 |  | 6.2% | ​ | $ | 21,716 |  | 6.5%
Energy/Renewables | ​ | ​ | 39,931 | ​ | 11.1% | ​ | ​ | 42,672 | ​ | 12.1%
Pipeline | ​ |  | (5,799) |  | (8.7%) | ​ |  | 15,793 |  | 12.1%
Total | ​ | $ | 56,486 |  | 7.2% | ​ | $ | 80,181 |  | 9.8%
​ Segment Goodwill ​ The amount of goodwill recorded by each segment at March 31, 2022 and at December 31, 2021 is presented in Note 6 – “Goodwill and Intangible Assets”. ​ Geographic Region — Revenue and Total Assets ​ The majority of our revenue is derived from customers in the United States with approximately 4.8% and 3.5% generated from sources outside of the United States during the three months ended March 31, 2022 and 2021, respectively, principally in Canada. At March 31, 2022 and December 31, 2021, approximately 3.9% and 3.5%, respectively, of total assets were located outside of the United States, principally in Canada.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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