ORLANDO, FLA. — NAI Realvest has brokered the $7.9 million sale of a 36,426-square-foot office building located at 622 E. Washington St. in Orlando. Jeff Bloom of NAI Realvest arranged the transaction on behalf of the buyer, OM Star Properties LLC, d/b/a Orchid Medical Equipment Co. The company will occupy 50 percent of the building for its new headquarters. John Worrell of Cite Partners arranged the transaction on behalf of the seller, ThorntonPark Central LLC. The sale also included a 134,681-square-foot parking garage.