1. CrossFit Gym: A CrossFit gym specializes in CrossFit workouts, providing members with guidance and access to equipment, as well as group classes and private training sessions.

2. CrossFit Equipment Store: A CrossFit equipment store offers customers items like barbells, kettlebells, medicine balls, foam rollers and foam mats.

3. Personal Training: Offering direct, one-on-one coaching and personal training to those interested in CrossFit, this type of business would be beneficial to those looking to gain specific knowledge or experience.

4. Nutrition Consulting: A nutrition consultant can offer nutrition advice and develop customized meal plans tailored to individual goals and performance.

5. Online Coaching: An online coach provides coaching sessions virtually, which makes it easier to reach clients without having to be physically present.

6. Workshops and Seminars: Workshops and seminars on various topics related to CrossFit can be a great way to share knowledge and help others become better coaches.

7. Clothing and Apparel Line: Many CrossFit enthusiasts love the sport and lifestyle, so creating a line of clothing for those who enjoy CrossFit would be a great way to tap into that market.

8. Mobility and Injury Prevention Services: A CrossFit coach can use their knowledge to identify potential mobility and injury issues. They can then offer preventative services such as stretching, myofascial release, and soft tissue therapy.