The Boston office of Grubb & Ellis Co. has leased several properties in the Bay State, totaling almost 75,000 square feet.

Waltham River’s Edge LLC leased 29,906 square feet of industrial space at 594 Pleasant St. in Watertown from American Venture 594 Corp.

Thomas Aitken of Grubb & Ellis represented the lessor in the transaction. John Nealon of WJ Nealon Commercial Realty Inc. represented the lessee.

Randstad Professionals US extended its 23,437-square-foot lease at 10 Presidential Way in Woburn from American Tower Corp.

Jack Kerrigan and Steve Cook of Grubb & Ellis represented the lessor in the transaction. Ron Perry and Roger Breslin of Colliers Meredith & Grew represented the lessee.

MicroTek renewed its lease of 11,436 square feet of Class A office space at 25 Mall Road in Burlington from Equity Office Properties Trust.

Steve Cook of Grubb & Ellis represented the lessee. Ron Friedman of Richards Barry Joyce & Partners represented the lessor.

Kadant Inc. extended its 9,946-square-foot lease at One Technology Park Drive in Westford from The Gutierrez Co.

Jack Kerrigan and Steve Cook of Grubb & Ellis facilitated the transaction on behalf of both parties.