- Dr. Clue Treasure Hunts
 - Off-site, outdoor, team-building treasure and scavenger hunts for recreation, company anniversaries, picnics, promotions, and more. - Haley Productions
- Offers custom designed or do-it-yourself murder mysteries, scavenger hunts, and team building programmes.
- Mr. Treasure Hunt
- Treasure and scavenger throughout San Francisco and the Bay Area for corporate team building and private parties.
- San Francisco Treasure Hunts
- Organises treasure hunts for team-building, including customised hunts, as well as the annual Chinese New Year Treasure Hunt.
- Scavenger Hunt Anywhere
- Provider of corporate team building scavenger hunts for unique meetings, conferences, or incentive programmes.
- Scaventures
- Offering team-building scavenger hunts by limousine, on foot, or by satellite designed to challenge, energize, and re-focus any team.
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