NOTE 11.        BUSINESS COMBINATIONS

The Company made five acquisitions during the three month period ended March 31, 2019, and 38 acquisitions for the year ended December 31, 2018, respectively, some of which have been disclosed on various press releases and related Current Reports on Form 8-K.

On January 8, 2019, the Company announced it had entered into a material agreement to acquire Clark Pest Control of Stockton, Inc. located in Lodi, CA. Clark Pest Control is a leading pest management company in California and the nation's 8th largest pest management company according to PCT 100 rankings. Geotech Supply is included in the acquisition and will continue to expand its current operations, maintaining a commitment to quality service delivery. Rollins expects to close the acquisition of Clark Pest Control of Stockton, Inc. during the second quarter of 2019. Closing remains subject to the receipt of regulatory clearance. The closing of the acquisition is subject to the satisfaction of customary conditions, including the truth and accuracy of the representations and warranties of the sellers, the performance of the obligations of the sellers and the receipt of regulatory clearance.

The preliminary values of major classes of assets acquired and liabilities assumed recorded at the date of acquisition, as adjusted during the valuation period, are included in the reconciliation of the total consideration as follows (in thousands):

Goodwill from acquisitions represents the excess of the purchase price over the fair value of net assets of businesses acquired. The carrying amount of goodwill was $370.5 million and $368.5 million at March 31, 2019 and December 31, 2018, respectively. Goodwill generally changes due to the timing of acquisitions, finalization of allocation of purchase prices of previous acquisitions and foreign currency translations. The carrying amount of goodwill in foreign countries was $55.5 million at March 31, 2019 and $54.9 million at December 31, 2018.

The Company completed its most recent annual impairment analysis as of September 30, 2018. Based upon the results of this analysis, the Company has concluded that no impairment of its goodwill or other intangible assets was indicated.

The carrying amount of customer contracts was $174.8 million and $178.1 million at March 31, 2019 and December 31, 2018, respectively. The carrying amount of trademarks and tradenames was $53.9 million and $54.1 million at March 31, 2019, and December 31, 2018, respectively. The carrying amount of other intangible assets was $10.7 million and $11.0 million at March 31, 2019 and December 31, 2018, respectively. The carrying amount of customer contracts in foreign countries was $36.3 million and $37.1 million at March 31, 2019 and December 31, 2018, respectively. The carrying amount of trademarks and tradenames in foreign countries was $3.6 million and $3.7 million at March 31, 2019 and December 31, 2018, respectively. The carrying amount of other intangible assets in foreign countries was $1.5 million and $1.6 million at March 31, 2019 and December 31, 2018, respectively.

Customer contracts and other amortizable intangible assets are amortized on a straight-line basis over their economic useful lives. The following table sets forth the components of intangible assets as of March 31, 2019 (in thousands):