Complex sentence: As the partnership and business grew, operations were set up in North Carolina in 1994, soon thereafter the partnership between Shavitz and Quimby waned leading to Quimby buying out Shavitz's stake in the company.
Split into simpler sentences: As the partnership and business grew, operations were set up in North Carolina in 1994. Soon thereafter, the partnership between Shavitz and Quimby waned, leading to Quimby buying out Shavitz's stake in the company.