• Treasury money market funds for safety.cash image by Alexey Klementiev from Fotolia.com
  
  Money market funds hold short term debt instruments to earn competitive rates and maintain stability of principal. Money market funds that own only U.S. Treasuries hold the safest money market instruments. Treasury interest has the bonus feature of being exempt from state income taxes. The very low rates of 2009 and 2010 had many of these funds paying yields at or near zero percent. Fund data is as of Spring 2010.
  
  

Allegiant Treasury MMF

• Allegiant Funds has a Treasury only money market fund, the Allegiant Treasury MMF, Class A. The fund has $100 million in assets and an expense ratio of 0.18 percent. The minimum initial investment is $1,000.
  
  Allegiant Funds
  800-622-3863
  allegiantfunds.com
  
  

AIM STIT Treasury Personal

• The AIM family of mutual funds has the AIM STIT Treasury Personal, Treasury only money market fund. The fund has assets of $200 million and an expense ratio of 0.40 percent. The minimum initial investment is $1,000.
  
  AIM Investments
  800-659-1005
  aiminvestments.com
  
  

Columbia Treasury Reserves

• Columbia Management offers the Columbia Treasury Reserves money market fund. The fund has $60 million in assets and a 0.13 percent expense ratio. The minimum initial investment is $1,000.
  
  Columbia Management
  800-345-661
  columbiafunds.com
  
  

Dreyfus Treasury Prime Cash Management

• Dreyfus funds calls their Treasury only money market fund the Dreyfus Treasury Prime Cash Management Fund. The fund has $3.8 billion in assets and an expense ratio of 0.21 percent. The minimum initial investment is $10,000.
  
  Dreyfus Corporation
  800-346-3621
  dreyfus.com
  
  

Federated Treasury Cash

• Federated Investments manages a very large number of money market funds including over 80 funds available to individual investors. The Federated Treasury Cash series holds $1.3 billion in assets and has expenses of 0.16 percent. The minimum investment is $10,000.
  
  Federated
  800-341-7400
  federatedinvestors.com
  
  

Fidelity US Treasury MMF

• Mutual fund giant Fidelity offers a Treasury only money market fund, the Fidelity US Treasury MMF. The fund is available to individual investors with a minimum initial deposit of $25,000. The fund has assets of $5.5 billion and a reported expense ratio of 0.40 percent.
  
  Fidelity Investments
  800-343-3548
  fidelity.com
  
  

Northern Trust Treasury Money Market

• Northern Funds offers the Northern Trust Treasury Money Market Fund. The fund has assets of $3.7 billion and a 0.40 percent expense ratio. The minimum investment in the fund is $2,000.
  
  Northern Funds
  800-595-9111
  northernfunds.com
  
  

Schwab US Treasury Money Fund

• Discount broker Schwab offers the Schwab US Treasury Money Fund. The fund has $19.5 billion in assets and an expense ratio of 0.40 percent. The minimum investment for the fund is $500.
  
  Schwab
  800-435-4000
  schwab.com/schwabfunds
  
  

T Rowe Price US Treasury Money

• Mutual funds manager T Rowe Price offers the T Rowe Price US Treasury Money Fund. The fund has $1.8 billion of assets and expenses of 0.40 percent. The minimum investment in the fund is $2,500.
  
  T Rowe Price
  800-225-5132
  troweprice.com
  
  

USAA Treasury Money MarketTrust

• Insurer USAA offers the USAA Treasury Money Market Trust in their family of mutual funds. The fund has assets of $182 million and an expense ratio of 0.10 percent. The minimum initial investment for the fund is $3,000.
  
  USAA
  800-759-8722
  usaa.com