Three Greater Boston nanotechnology companies, Nantero Inc., QD Vision and NanoLab have leased a total of 45,000 square feet.

Nantero Inc., which develops semiconductor devices, renewed its 13,998-square-foot lease at 25 Olympia Ave. in Woburn.

NAI Hunneman suburban leasing group represented the tenant in the transaction. Mark Knittle of Cummings Properties represented the landlord, Woburn-based Cummings Properties.

QD Vision, a developer of Quantum Light nanotechnology-based products, renewed its 24,798-square-foot office lease at 313 Pleasant St. in Watertown. NAI Hunneman suburban leasing group also represented the tenant in the transaction. John Nealon of W.I. Nealon Commercial represented the landlord.

NanoLab, a designer, developer and manufacturer of nanoscale materials and devices, signed a new lease for 6,000 square feet at 179 Bear Hill Road in Waltham. The firm is relocating from 55 Chapel St. in Newton. NAI Hunneman suburban leasing group represented the tenant in the transaction. John Dolan of Meredith & Grew represented the landlord, SPS Inc.

"We’re very pleased to help these three growing nanotechnology companies with their space needs and their leases," said Evan Gallagher, a NAI Hunneman vice president. "Nanotechnology is one of the fastest growing high-tech sectors in the country and we’re delighted to assist our clients with their unique real estate requirements."