The following is an abbreviated version of the apartment management portion of the 2010 NMHC 50, an annual ranking of the 50 largest U.S. apartment owners and managers published in NREI's April issue. The companies below are ranked according to the number of apartment units they managed as of Jan. 1, 2010.

  1. Pinnacle
    Apartments Managed:
    183,877
    Seattle, WA
    Corporate Officer: Stan Harrelson

  2. Riverstone Residential Group
    Apartments Managed: 178,431

    Dallas, TX
    Corporate Officer: Walt Smith

  3. Greystar Real Estate Partners
    Charleston, SC
    Apartments Managed: 153,819
    Corporate Officer: Robert Faith

  4. Equity Residential
    Chicago, IL
    Apartments Managed: 136,843
    Corporate Officer: David J. Neithercut

  5. Lincoln Property Co.
    Dallas, TX
    Apartments Managed: 132,881
    Corporate Officer: Tim Byrne

  6. AIMCO
    Denver, CO
    Apartments Managed: 129,715
    Corporate Officer: Terry Considine

  7. Archstone
    Apartments Managed:
    83,085
    Englewood, CO
    Corporate Officer: R. Scot Sellers

  8. WinnCompanies
    Apartments Managed:
    73,302
    Boston, MA
    Corporate Officer: Samuel Ross

  9. Camden Property Trust
    Apartments Managed:
    63,506
    Houston, TX
    Corporate Officer: Richard J. Campo

  10. Bell Partners
    Apartments Managed:
    60,422
    Greensboro, NC
    Corporate Officer: Steven D. Bell

  11. FPI Management
    Apartments Managed:
    56,952
    Folsom, CA
    Corporate Officer: Dennis Treadaway

  12. Fairfield Residential
    Apartments Managed:
    55,054
    San Diego, CA
    Corporate Officer: Chris Hashioka

  13. Edward Rose & Sons
    Apartments Managed:
    53,667
    Farmington Hills, MI
    Corporate Officer: Warren Rose

  14. UDR
    Apartments Managed:
    51,342
    Highlands Ranch, CO
    Corporate Officer: Thomas W. Toomey

  15. Alliance Residential Co.
    Apartments Managed:
    49,488
    Phoenix, AZ
    Corporate Officer: Bruce Ward

  16. AvalonBay Communities
    Apartments Managed:
    48,924
    Alexandria, VA
    Corporate Officer: Bryce Blair

  17. Westdale Real Estate Investment & Management
    Apartments Managed:
    46,682
    Dallas, TX
    Corporate Officer: Joseph G. Beard

  18. The ConAm Group of Cos.
    Apartments Managed:
    46,100
    San Diego, CA
    Corporate Officer: Brad Forrester

  19. Picerne Real Estate Group
    Apartments Managed:
    44,927
    Phoenix, AZ
    Corporate Officer: David R. Picerne

  20. Mid-America Apartment Communities
    Apartments Managed:
    43,604
    Memphis, TN
    Corporate Officer: H. Eric Bolton, Jr.

  21. BH Management Services
    Apartments Managed:
    41,366
    Des Moines, IA
    Corporate Officer: Harry Bookey

  22. Empire American Holdings
    Apartments Managed:
    40,776
    Montvale, NJ
    Corporate Officer: Eli Feller

  23. Milestone Management LP
    Apartments Managed:
    40,092
    Dallas, TX
    Corporate Officer: Steve Lamberti

  24. The Michaels Development Co.
    Apartments Managed:
    38,236
    Marlton, NJ
    Corporate Officer: Robert J. Greer

  25. Gables Residential
    Apartments Managed:
    37,842
    Atlanta, GA
    Corporate Officer: David D. Fitch