A Canadian company that builds and services electrical transmission lines is expanding to the Loring Commerce Centre in Limestone.
Greystone Power Services LLC of Grand Falls, New Brunswick, will set up a U.S. location in a 42,000-square-foot space at Loring, developer Green 4 Maine announced Wednesday.
Additionally, Caribou businesses Circle B Farms and Norstar Appliances are expanding into space on the campus.
Green 4 Maine purchased 450 acres and 49 buildings at the Commerce Centre in 2023. Along with the Loring Development Authority, Green 4 Maine aims to revitalize the former base, bringing industry, jobs and housing — along with opportunities for local small businesses — to an area that has seen economic uncertainty since the base closed in 1994.
The three new businesses will bring variety and growth to the region, said Andrea Page, a broker at Keller Williams in Portland, who works with Green 4 Maine.
“A Canadian company expanding into the U.S. is such a huge win,” Page said. “And we’ve had a couple of big wins with some local companies as well, [and] that’s what we want to help grow.”
Greystone will house a fleet of line repair trucks at Loring and will build a command operations hub for Maine service deployments with about 30 employees, Page said.
Greystone is a family business that has operated since 1937, according to the company’s website. A division of the Greystone Group of Companies, It handles distribution and transmission line construction in both Canada and the U.S., and also specializes in emergency and storm response.
Company officials were not available for comment.
The additions of Norstar Appliance and Circle B Farms reinforce Green 4 Maine’s commitment to supporting local entrepreneurs, Page said.
Adam Peckham of Caswell founded Norstar with partner Frank Beal in 2021. Beal has since retired.
The store moved twice on Limestone’s Main Street, and last year Peckham moved the booming business into a larger space in Caribou. Besides performing repair services, Norstar also sells used appliances.
Peckham will move into 8,000 square feet in the former Sitel building at Loring, which he called an “exciting step.”
“This gives us the space to grow, better serve our customers, and create more opportunities right here in The County,” he said in a statement.
Circle B Farms, owned and operated by Thomas and Gena Ayer of Caribou, will lease 21,000 square feet in the former bowling alley building, Page said.
The operation grows apples, blueberries and elderberries, along with beans, beets, corn, broccoli, cauliflower and squash, using sustainable and natural farming practices, according to its website.
The farm distributes produce to Aroostook County grocery stores and larger retailers in New England and New York. It also supplies the Good Shepherd Food Bank’s Mainers Feeding Mainers program.
“Our growth has always been about more than crops — it’s about building a stronger, healthier community,” Thomas Ayer said in a statement, adding the new space will provide facilities and support to further that mission.
Page did not specify how the farm will use the space. Ayer did not immediately return a request for comment.
The business announcements come in the same week a global aerospace company set up shop at Loring. Kansas City airline maintenance and retrofitting firm Aero Intelligence is occupying the historic arch hangar, and flew its first plane in on Wednesday.
Longtime tenants such as Defense Financing and Accounting Services and the Loring Job Corps Center occupy Green 4 Maine space, as do varied industries that include AI, agriculture, manufacturing, transportation and solar energy.
