The Top 25 Brokerages listing is based on responses to NREI's Top Brokerage survey, which was originally published in April. Brokers were asked to provide the total dollar value of leasing transactions and investment sales globally during 2007. The totals were combined to determine the company's ranking.

1. CB Richard Ellis

Total amount of investment sales and leasing transactions: $264.2 billion
11150 Santa Monica Blvd.
Los Angeles, CA 90025
Phone: (212) 984-8000
Email: investorrelations@cbre.com
Website: www.cbre.com
Officers: Brett White, CEO; Kenneth J. Kay, CFO; Calvin W. Frese, Jr, President, Americas

2. Eastdil Secured

Total amount of investment sales and leasing transactions: $170.8 billion
40 West 57th Street, 22nd Floor
New York, NY 10019
Phone: (212) 315-7200
Email: info@eastdilsecured.com
Website: www.eastdilsecured.com
Officers: Ben Lambert, Chairman; Roy March, CEO; Mike Van Konynenburg, President

3. Cushman & Wakefield

Total amount of investment sales and leasing transactions: $124 billion
51 W. 52nd St.
New York, NY 10019
Phone: (212) 841-7500
Email: ddoherty@cushwake.com
Website: www.cushmanwakefield.com
Officers: Bruce Mosler, President/CEO; John Santora, COO; John C. Cushman III, Chairman

4. Jones Lang LaSalle

Total amount of investment sales and leasing transactions: $116.7 billion
200 East Randolph Dr.
Chicago, IL 60601
Phone: (312) 782-5800
Email: paige.steers@am.jll.com
Website: www.joneslanglasalle.com
Officers: Colin Dyer, President/CEO; Lauralee Martin, COO/CFO; Peter Roberts, CEO, Americas

5. The Staubach Co.

Total amount of investment sales and leasing transactions: $68 billion
15601 Dallas Pkwy., Suite 400
Addison, TX 75001
Phone: (972) 361-5000
Email: diane.gillas@staubach.com
Website: www.staubach.com
Officers: Roger Staubach, Executive Chairman; Greg O'Brien, CEO; John Gates, President/COO/President-Corporate Services West

6. Colliers International

Total amount of investment sales and leasing transactions: $63.5 billion
50 Milk St.
Boston, MA 02109
Phone: (617) 722-0221
Email: sarah.wager@colliers.com
Website: www.colliers.com
Officers: Doug Frye, International Chairman; Wally Pinkard, USA Chairman; Ross Moore, Executive Vice President

7. Newmark Knight Frank

Total amount of investment sales and leasing transactions: $47.6 billion
125 Park Ave.
New York, NY 10017
Phone: (212) 372-2000
Email: inquiries@newmarkkf.com
Website: www.newmarkkf.com
Officers: Jeffrey R. Gural, Chairman; Barry M. Gosin, CEO; James D. Kuhn, President

8. NAI Global

Total amount of investment sales and leasing transactions: $45 billion
4 Independence Way, Suite 400
Princeton, NJ 08540
Phone: (609) 945-4000
Email: info@naiglobal.com
Website: www.naiglobal.com
Officers: Jeffrey Finn, President/CEO; Ted Parcel, Executive Vice President, Corporate Services; Rick Kimball, Executive Vice President, The Americas

9. Studley

Total amount of investment sales and leasing transactions: $39.3 billion
300 Park Ave. 3rd Floor
New York, NY 10022
Phone: (212) 326-1000
Email: info@studley.com
Website: www.studley.com
Officers: Mitchell S. Suiteir, Chairman/CEO; Michael D. Colacino, President

10. ONCOR International

Total amount of investment sales and leasing transactions: $35.5 billion
1 Campus Drive
Parsippany, NJ 07054
Phone: (877) 466-2674
Email: info@oncorintl.com
Website: www.oncorintl.com
Officers: Paul Van Devender, Executive Managing Director; Michael Miedler, Managing Director, Americas; Justin Kessler, Managing Director, EMEA

11. GVA Worldwide

Total amount of investment sales and leasing transactions: $35 billion
1569 Sherman Ave., Suite 201
Evanston, IL 60201
Phone: (847) 733-0883
Email: info@gvaworldwide.com
Website: www.gvaworldwide.com
Officers: Michael Corbett, President; Bob Barnett, Vice Chairman; Jean Laurin, Chairman

12. The CORE Network

Total amount of investment sales and leasing transactions: $29.2 billion
15150 Preston Rd., Suite 300
Dallas, TX 75248
Phone: (972) 980-3992
Email: info@corenetwork.org
Website: www.corenetwork.org
Officers: F. Keene Miller, Chairman; M. James Mark, Vice Chairman; Perry S. Morita, Executive Director

13. Grubb & Ellis Co.

Total amount of investment sales and leasing transactions: $22.3 billion
1551 N. Tustin Ave. Suite 200
Santa Ana, CA. 92705
Phone: (714) 667-8252
Email: corporatecommunications@grubb-ellis.com
Website: www.grubb-ellis.com
Officers: Scott Peters, President/CEO; Richard Pehlke, Executive Vice President/ CFO; Jeffrey Hanson, President, Grubb & Ellis Realty Investors LLC

14. TCN Worldwide

Total amount of investment sales and leasing transactions: $20.8 billion
400 Chisholm Place, Suite 104
Plano, TX 75075
Phone: (972) 769-8701
Email: info@tcnworldwide.com
Website: www.tcnworldwide.com
Officers: Ross Ford, President/CEO; Neil Siderow, Chairman; David Wagner, Vice Chairman

15. Marcus & Millichap Real Estate Investment Services

Total amount of investment sales and leasing transactions: $20.7 billion
First Financial Plaza
16830 Ventura Blvd., Suite 352
Encino, CA 91436
Phone: (818) 907-0600
Email: scorso@marcusmillichap.com
Website: www.marcusmillichap.com
Officers: George M. Marcus, Chairman; Harvey E. Green, President/CEO; William E. Hughes, Senior Vice President/Managing Director of Marcus & Millichap Capital Corp.

16. Holliday Fenoglio Fowler LP

Total amount of investment sales and leasing transactions: $17.1 billion
9 Greenway Plaza, Suite 700
Houston, TX 77046
Phone: (713) 852-3500
Email: mmoren@hfflp.com
Website: www.hfflp.com
Officers: John H. Pelusi, Jr., Executive Managing Director and Managing Member; Mark D. Gibson, Executive Managing Director; John P. Fowler, Executive Managing Director

17. Coldwell Banker Commercial

Total amount of investment sales and leasing transactions: $15.7 billion
1 Campus Dr.
Parsippany, NJ 07054
Phone: (800) 222-2162
Email: info@cbcworldwide.com
Website: www.cbcworldwide.com
Officers: Rick Davidson, President/COO; Greg Sexton, Senior Vice President, Operations; Tim Dimond, Vice President, Ownership Services

18. Sperry Van Ness

Total amount of investment sales and leasing transactions: $11.6 billion
18881 Von Karman Ave., 8th Floor
Irvine, CA 92612
Phone: (949) 250-4100
Email: carol.beekman@svn.com
Website: www.svn.com
Officers: Mark Van Ness, Co-founder/CEO; Rand Sperry, Co-founder

19. Apartment Realty Advisors

Total amount of investment sales and leasing transactions: $7.7 billion
6445 Powers Ferry Road, Suite 300
Atlanta, GA 30339
Phone: (678) 553-9360
Email: lrobinson@arausa.com
Website: www.ARAusa.com
Officers: Gary Kachadurian, Chairman; Doug Andrews, President; Lisa A. Robinson, COO

19. Transwestern Commercial Services

Total amount of investment sales and leasing transactions: $7.7 billion
1900 West Loop South, Suite 1300
Houston, TX 77026
Phone: (713) 270-7700
Email: ContactTW@transwestern.net
Website: www.transwestern.net
Officers: Robert Duncan, Chairman; Larry P. Heard, President/CEO; Mark Doran, COO

21. Molinaro Koger

Total amount of investment sales and leasing transactions: $4.2 billion
8000 Towers Crescent Drive, Suite 1200
Vienna, VA 22182
Phone: (703) 760-9600
Email: slemon@mkhotels.com
Website: www.mkhotels.com
Officers: Robert T. Koger, President; William Stadler, Managing Director; Eric Kudlak, Managing Director, Europe

22. Century 21 Real Estate LLC

Total amount of investment sales and leasing transactions: $2.7 billion
1 Campus Drive
Parsippany, NJ 07054
Phone: (973) 407-6004
Email: joseo.perez@century21.com
Officer: Tom Kunz, President/CEO

23. Massey Knakal Realty Services

Total amount of investment sales and leasing transactions: $2.2 billion
275 Madison Ave., 3rd Floor
New York, NY 10016
Phone: (212) 696-2500
Email: kneering@masseyknakal.com
Website: www.masseyknakal.com
Officers: Paul Massey, Founding Partner/CEO; Robert Knakal, Founding Partner/Chairman; John Ciraulo, Partner/Vice Chairman

24. PM Realty Group LP

Total amount of investment sales and leasing transactions: $2 billion
1000 Main St., Suite 2400
Houston, TX 77002
Phone: (713) 209-5800
Email: jgunn@pmrg.com
Website: www.pmrealtygroup.com
Officers: Rick Kirk, CEO; Jimmy Gunn, President, Property Services; Roger Gregory, CFO

25. Mid-America Real Estate Corp.

Total amount of investment sales and leasing transactions: $1.5 billion
One Parkview Plaza 9th Floor
Oakbrook Terrace, IL 60181
Phone: (630) 954-7300
Email: nmusica@midamericagrp.com
Website: www.midamericagrp.com
Officers: Michael George, President; Stanley Nitzberg, Principal; Jeff Kuchman, Principal