Flotek Industries Inc., Houston, hired Merrill Lynch, Pierce, Fenner & Smith as record keeper and service provider, according to a recent 8-K filing.
Merrill Lynch replaces ADP Retirement Services.
A blackout period will run from Sept. 21 to Oct. 23.
The company's 401(k) plan had $8.6 million in assets as of Dec. 31, according its most recent Form 5500 filing.
Flotek also hired Bank of America as plan trustee, replacing DWS Trust Co.
Andrea Berry, human resources generalist, was not available for additional information by press time.