Results of Operations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 30, 2018 A. O. Smith Corporation (Exact name of registrant as specified in its charter) Delaware 1-475 39-0619790 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 11270 West Park Place, Milwaukee, Wisconsin 53224 (Address of principal executive offices, including zip code) (414) 359-4000 (Registrant’s telephone number) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): ☐ Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 204.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13-e4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 2.02. Results of Operations and Financial Condition On January 30, 2018, A. O. Smith Corporation (“the Company”) issued a news release announcing the Company’s 2017 earnings. A copy of the Company’s news release is attached as Exhibit 99.1 to this Current Report on Form 8-K (this “Current Report”) and is incorporated by reference herein. Item 9.01. Financial Statements and Exhibits The following exhibit is being filed herewith: (99.1) News Release of A. O. Smith Corporation, dated January 30, 2018. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. A. O. SMITH CORPORATION Date: January 30, 2018 By: /s/ James F. Stern James F. Stern Executive Vice President, General Counsel and Secretary