Non-profit organizations with 403(b) retirement plans are increasing investment options and boosting matching contributions, a new survey by Buck Consultants found. Forty-six percent of the 147 respondents plan to add or increase the number of mutual funds offered. And 21% will add or increase the number of annuity contracts available. The survey also showed that 53% currently match a portion of employee contributions, and more than one-third plan to add or increase their employer match. The survey also found growth funds are the most popular investment fund offered, followed by balanced funds and international equity funds.