Company: Grubb & Ellis|Coldstream Real Estate Advisors, Inc. Location: 170 South River Rd., Bedford and 500 Market St., Suite 9, Portsmouth Services offered: Commercial/industrial brokerage, buyer/tenant representation, corporate services, investment real estate, retail services, valuation services/expert witness, non-profit/municipal services Year founded: 1990 Founder: Justin Bielagus Company Statement: Grubb & Ellis|Coldstream Real Estate Advisors, Inc. is Northern New England's leading full service commercial real estate firm. Established in 1990, Grubb & Ellis|Coldstream provides a full array of real estate brokerage, consulting and development services that assists its clients and customers in identifying, evaluating and implementing real estate strategies to enhance the value of owned or leased real estate assets.