Jones on Main, the historic JPMorgan Chase & Co. Building at 712 Main renovated by Lionstone Investments and Midway Cos., welcomed new tenants and expansions totaling nearly 30,000 square feet of office space. CBRE’s Parker Duffie and Jason Presley represented the landlord, Regency Main LLC, in the leases. SWA Group, the international landscape architecture, planning and urban design firm, expanded its lease to 16,989 square feet in February.