Office Depot Inc., a retailer with 17,000 retirement plan participants and 20,000 health plan participants, has picked Fidelity Investments to provide comprehensive benefits administration services.

Office Depot, Boca Raton, Fla., awarded Fidelity, Boston, a 5-year contract to run the retailer’s health and welfare plans as well as its stock plan and retirement savings plans.

Participants can track and manage all of the benefits through Fidelity’s Web-based NetBenefits system.

Office Depot’s 401(k) plans and deferred compensation plans manage about $336 million in assets.

- Allison Bell