Houston-based Zenith Real Estate Group has secured nine leases totaling over 100,000 square feet at four buildings it owns in Westchase. Ignite Restaurant Group, owner of Joe's Crab Shack and Brick House Tavern & Tap, has leased the entire 49,865-square-foot building. Zenith Real Estate Group recently completed interior improvements, including a new lobby, and is finalizing exterior renovations. Medical Research Consultants, represented by Louie Crapitto of JLL, has leased 28,861 square feet of space. Empire Continental Land, represented by Bobbie Bozarth of Trans-western, has leased 2,020 square feet; Kennemer, Masters & Lunsford, represented by Chad Baker and Matt Sanderson of JLL, has leased 1,056 square feet; Regional Acceptance Corp., represented by William Padon of CBRE, has leased 3,467 square feet; Sim Solutions, represented by Chad Baker and Matt Sanderson of JLL, expanded by 2,483 square feet for a total of 21,222 square feet; Jackup Structures Alliance, represented by Connie Rankin of CRES, has leased 3,307 square feet.