defined in Treasury Regulation Section 1.401-1(b)(1)(iii).
Effective as of the close of business on December 31, 2019, pursuant to an Instrument of Merger entered into by The Lincoln Electric Company, Wolf Robotics, LLC and Rimrock Corporation, the Wolf Robotics, LLC 401(k) Retirement Savings Plan (the “Wolf Plan”) and the Rimrock Corporation 401(k) Retirement Savings Plan (the “Rimrock Plan”) were merged with and into the Plan and all accounts held under the Wolf Plan and the Rimrock Plan were transferred to the Plan.
Effective as of January 1, 2020, the following entities were consolidated with and into The Lincoln Electric Company: Arc Products, Inc.; Baker Industries, Inc.; Kaliburn, Inc.; and Lincoln Electric Cutting System, Inc. Prior to January 1, 2020, Baker Industries, Inc., Kaliburn, Inc. and Lincoln Electric Cutting System, Inc. were separate participating Employers under the Plan. Effective as of January 1, 2021, the following entities were consolidated with and into Wayne Trail Technologies, Inc., which was renamed as Lincoln Electric Automation, Inc.: Coldwater Machine Company, LLC; Pro-Systems, LLC; Rimrock Corporation; Tennessee Rand, Inc.; Vizient Manufacturing Solutions, Inc.; and Wolf Robotics, LLC. Prior to January 1, 2021, Coldwater Machine Company, LLC, Pro-Systems, LLC, Rimrock Corporation, Vizient Manufacturing Solutions, Inc. and Wolf Robotics, LLC were separate participating Employers under the Plan.
Effective as of January 15, 2021, pursuant to an Instrument of Merger entered into by The Lincoln Electric Company and Lincoln Electric Automation, Inc. (as successor to Pro-Systems, LLC), the Pro-Systems, LLC 401(k) Plan (the “Pro-Systems Plan”) was merged with and into the Plan and all accounts held under the Pro-Systems Plan were transferred to the Plan.
Effective as of April 25, 2022, pursuant to an Instrument of Merger entered into by The Lincoln Electric Company and Techalloy, Inc., the Techalloy, Inc. Employee Savings Plan (the “Techalloy Plan”), will merge with and into the Plan and all accounts held under the Techalloy Plan, will be transferred to the Plan.
Effective as of April 29, 2022, pursuant to an Instrument of Merger entered into by The Lincoln Electric Company and Lincoln Electric Automation, Inc. (as successor to Tennessee Rand, Inc.), the Tennessee Rand, Inc. 401(k) Plan (the “Tennessee Rand Plan”), will merge with and into the Plan and all accounts held under Tennessee Rand Plan will be transferred to the Plan.
Effective as of May 2, 2022, pursuant to an Instrument of Merger entered into by The Lincoln Electric Company and Lincoln Electric Automation, Inc. (as successor to Wayne Trail