1. All appeals filed by the plaintiffs are dismissed.

2. Claim against Defendant B, added at the trial of the court, is filed.

1. Basic facts

A. The conclusion of the construction contract between the Plaintiff A, C, and Defendant D Limited Company was changed from November 11, 201 to the present trade name.

hereinafter referred to as “Defendant D” only

(1) Around June 2008, LIG Construction Co., Ltd. (hereinafter referred to as “LIG Construction”) that received a contract for the construction of a small and medium-sized national industrial complex that was awarded an order by a small and medium-sized local government around June 2008.

(2) The G District Corporation (hereinafter “G District Corporation”) among the foregoing development works from the Construction Company, the Construction Company, the Maritime Integrated Construction Company, and the High Light Construction Company, etc.

A) Around November 20, 2008, Defendant D subcontracted 27.45,2275,000 won to H (hereinafter “H”) around November 20, 2008, Defendant D re-subcontracted the soil and sand (including the removal and dismantling of buildings, such as houses and government offices), drainage works, bridge works, structure works, waterworks works and appurtenant works (hereinafter “instant construction”) during the G District construction, and terminated the re-subcontract around August 2010.

3) On November 18, 2010, Plaintiff A entered into a “construction agreement” with Defendant D to perform the instant construction work on behalf of Plaintiff A (hereinafter “instant construction agreement”) (hereinafter “instant construction agreement”).

() On November 30, 2010, Plaintiff A and Defendant D agreed to take over and implement the instant construction project implemented by the said Plaintiff, and settled issues such as the cost-bearing that may arise from the acquisition of the instant construction project. Specifically, the aforementioned Plaintiff and Defendant D settled accounts of the amount of KRW 1.326,50,000,000 (626,50,000,000,000,000,000, including the contract deposit paid by H, KRW 70,000,000,000,000,000,000,000,000,000 (which is the amount borne by H) for the performance of the instant construction project, and the amount of KRW 626,50,00,00,00,000 (which is paid to the head and employees of the on-site management office, which is the subcontractor that was incurred by the said settlement date.