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Nature of Business | 12 Months Ended
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Dec. 31, 2017
Nature of Business |
Nature of Business | Note 1—Nature of Business Organization and operations — Primoris Services Corporation is a holding company of various construction and product engineering subsidiaries. Our underground and directional drilling operations install, replace and repair natural gas, petroleum, telecommunications and water pipeline systems, including large diameter pipeline systems. Our industrial, civil and engineering operations build and provide maintenance services to industrial facilities including power plants, petrochemical facilities, and other processing plants; construct multi-level parking structures; and engage in the construction of highways, bridges and other environmental construction activities. We are incorporated in the State of Delaware, and our corporate headquarters are located at 2100 McKinney Avenue, Suite 1500, Dallas, Texas 75201. Reportable Segments — Through the end of the year 2016, we segregated our business into three reportable segments: the Energy segment, the East Construction Services segment and the West Construction Services segment. In the first quarter 2017, we changed our reportable segments in connection with a realignment of our internal organization and management structure. The segment changes reflect the focus of our chief operating decision maker (“CODM”) on the range of services we provide to our end user markets. Our CODM regularly reviews our operating and financial performance based on these segments. The current reportable segments include the Power, Industrial and Engineering (“Power”) segment, the Pipeline and Underground (“Pipeline”) segment, the Utilities and Distribution (“Utilities”) segment and the Civil segment. Segment information for prior periods has been restated to conform to the new segment presentation. See Note 14 – “Reportable Segments” for a brief description of the reportable segments and their operations. The classification of revenues 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 table lists the our primary business units and their reportable segment:
Business Unit |  | Reportable Segment |  | Prior Reportable Segment |
ARB Industrial (a division of ARB, Inc.) |  | Power |  | West |
ARB Structures |  | Power |  | West |
Primoris Power (formerly PES Saxon division) |  | Power |  | Energy |
Primoris Renewable Energy (a division of Primoris AV) |  | Power |  | Energy |
Primoris Industrial Constructors (formerly PES Industrial Division) |  | Power |  | Energy |
Primoris Fabrication (a division of PES) |  | Power |  | Energy |
Primoris Mechanical Contractors (a combination of a division of PES and Cardinal Contractors) |  | Power |  | Energy |
OnQuest |  | Power |  | Energy |
OnQuest Canada |  | Power |  | Energy |
Primoris Design and Construction (“PD&C”); created 2017 |  | Power |  | NA |
Rockford Corporation (“Rockford”) |  | Pipeline |  | West |
Vadnais Trenchless Services (“Vadnais Trenchless”) |  | Pipeline |  | West |
Primoris Field Services (a division of PES Primoris Pipeline) |  | Pipeline |  | Energy |
Primoris Pipeline (a division of PES Primoris Pipeline) |  | Pipeline |  | Energy |
Primoris Coastal Field Services; created 2017 |  | Pipeline |  | NA |
ARB Underground (a division of ARB, Inc.) |  | Utilities |  | West |
Q3 Contracting (“Q3C”) |  | Utilities |  | West |
Primoris AV |  | Utilities |  | Energy |
Primoris Distribution Services ("PDS"); created 2017 |  | Utilities |  | NA |
Primoris Heavy Civil (formerly JCG Heavy Civil Division) |  | Civil |  | East |
Primoris I&M (formerly JCG Infrastructure & Maintenance Division) |  | Civil |  | East |
Primoris Build Own Operate |  | Civil |  | East |
We owned 50% of the Blythe Power Constructors joint venture (“Blythe”) created for the installation of a parabolic trough solar field and steam generation system in California, and its operations have been included as part of the Power segment. We determined that in accordance with FASB Topic 810, we were the primary beneficiary of a variable interest entity (“VIE”) and have consolidated the results of Blythe in our financial statements. The project has been completed, the project warranty expired in May 2015, and dissolution of the joint venture was completed in the third quarter of 2015. We own a 50% interest in two separate joint ventures, both formed in 2015. The Carlsbad Power Constructors joint venture (“Carlsbad”) is engineering and constructing a gas-fired power generation facility, and the “ARB Inc. & B&M Engineering Co.” joint venture (“Wilmington”) is also engineering and constructing a gas-fired power generation facility. Both projects are located in Southern California. The joint venture operations are included as part of the Power segment. As a result of determining that we are the primary beneficiary of the two VIEs, the results of the Carlsbad and Wilmington joint ventures are consolidated in our financial statements. Both projects are expected to be completed in 2018. Financial information for the joint ventures is presented in Note 12— “Noncontrolling Interests”. On February 28, 2015, we acquired the net assets of Aevenia, Inc. for $22.3 million. Aevenia operations are included in the Utilities segment. On January 29, 2016, we acquired the net assets of Mueller Concrete Construction Company (“Mueller”) for $4.1 million and on November 18, 2016, we acquired the net assets of Northern Energy & Power (“Northern”) for $6.9 million. On June 24, 2016, we purchased property, plant and equipment from Pipe Jacking Unlimited, Inc. (“Pipe Jacking”), consisting of specialty directional drilling and tunneling equipment for $13.4 million. We determined this purchase did not meet the definition of a business as defined under ASC 805. Mueller operations are included in the Utilities segment, Northern operations are included in the Power segment, and Pipe Jacking operations are included in the Pipeline segment. On May 26, 2017, we acquired the net assets of Florida Gas Contractors (“FGC”) for $37.7 million; on May 30, 2017, we acquired certain engineering assets for approximately $2.3 million; and on June 16, 2017, we acquired the net assets of Coastal Field Services (“Coastal”) for $27.5 million. FGC operations are included in the Utilities segment, the engineering assets are included in the Power segment, and Coastal operations are included in the Pipeline segment. See Note 4— “Business Combinations”. Unless specifically noted otherwise, as used throughout these consolidated financial statements, “Primoris”, “the Company”, “we”, “our”, “us” or “its” refers to the business, operations and financial results of the Company and its wholly-owned subsidiaries. Seasonality—Primoris’ results of operations are subject to quarterly variations. Most of the variation is the result of weather, particularly rain, ice and snow, which can impact our ability to perform construction services. While the majority of our work is in the southern half of the United States, these seasonal impacts affect revenues and profitability since gas and other utilities defer routine replacement and repair during their period of peak demand. Any quarter can be affected either negatively or positively by atypical weather patterns in any part of the country. In addition, demand for new projects tends to be lower during the early part of the year due to clients’ internal budget cycles. As a result, we usually experiences higher revenues and earnings in the third and fourth quarters of the year as compared to the first two quarters, with the fourth quarter revenues and earnings usually less than the third quarter revenues and earnings but higher than the second quarter revenues and earnings. Variability—In addition to seasonality, we are dependent on large construction projects, which tend not to be seasonal, but can fluctuate from year to year based on general economic conditions and client requirements. Our business may be affected by declines or delays in new projects or by client project schedules. Because of the cyclical nature of our business, the financial results for any period may fluctuate from prior periods, and our financial condition and operating results may vary from quarter-to-quarter. Results from one quarter may not be indicative of its financial condition or operating results for any other quarter or for an entire year.

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