USI Insurance Services L.L.C. has completed the acquisition of Plumhoff & Associates, a Texas employee benefits firm.

Plumhoff, Houston, generates about $6.4 million in annual revenue by selling health and welfare benefits, executive benefits and international benefits plans to midsize employers, according to USI, Briarcliff Manor, N.Y.

USI is not saying how much it is paying for Plumhoff, but it says W. Craig Plumhoff, the firm’s chairman, and other members of the staff will be going to work for USI.

Earlier in the week, USI said it had acquired Tricerion Group, Atlanta, an online benefits enrollment and administration firm with about $3.6 million in annual revenue.

USI is a broker with 2,900 employees and 80 offices in 22 states.

The company notes on its website that it has made more than 100 acquisitions, but it has been making its deals relatively quietly.

Other insurance brokers announcing recent waves of acquisitions of life, health or benefits firms include Digital Insurance Inc., Atlanta; Hub Group Ltd., Chicago; and units of Marsh & McLennan Companies Inc., New York (NYSE: MMC).

- Allison Bell

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