The Washington Kastles are the winningest franchise in World TeamTennis history. The team has won a historic five-straight and six total WTT titles. As part of the legendary Five-Peat, Washington set a major U.S. pro sports record with a 34-match win streak. Since the franchise's launch in 2008, the Kastles have featured eight World No. 1 players: Serena & Venus Williams, Bob & Mike Bryan, Martina Hingis, Leander Paes, Rennae Stubbs and Victoria Azarenka.
| Website | http://washingtonkastles.com |
| Revenue | $10 million |
| Employees | 7 (2 on RocketReach) |
| Founded | 2008 |
| Address | 600 22nd Street NW, Washington, District of Columbia 20005, US |
| Phone | +1 202-483-6647 |
| Technologies |
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| Industry | Spectator Sports, Hospitality General, Leisure Facilities, Hospitality |
| Web Rank | 11 Million |
| Keywords | Professional Tennis, Sports Franchise, Tennis Team, Tennis Matches, Sports Team, Professional Team, Professional Sports, Team Sports, Sports Entertainment, Major League Sports, Summer Sports, Sports Events, Sports League, Sports Competition |
| Competitors | World TeamTennis, Philadelphia Freedoms, New York Empire Tennis, Chicago Smash, San Diego Aviators, Boston Lobsters Tennis Team, National Hockey League (NHL), National Basketball Association (NBA) +27 more (view full list) |
| SIC | SIC Code 79 Companies, SIC Code 794 Companies |
| NAICS | NAICS Code 7112 Companies, NAICS Code 71 Companies, NAICS Code 711 Companies |
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Washington Kastles Questions
The Washington Kastles annual revenue was $10 million in 2026.
Mark Ein is the Founder and Owner of Washington Kastles.
2 people are employed at Washington Kastles.
Washington Kastles is based in Washington, District of Columbia.
The NAICS codes for Washington Kastles are [7112, 71, 711].
The SIC codes for Washington Kastles are [79, 794].
Top Washington Kastles Employees
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Mark Ein
Founder and Owner at Washington Kastles
Washington, DC, US15+ -
Leighton Condell
On Court Emcee at Washington Kastles
Lithonia, GA, US35+
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