ASM is based in Middlefield, CT. Our primary installation footprint covers the eastern two-thirds of the state, and our service and maintenance techs cover CT statewide.
Central Connecticut
Hartford
Hartford County. About 25 minutes from our Middlefield shop.
Hartford is a short haul from our Middlefield fab shop, which makes ASM a practical mechanical contractor for downtown office towers, insurance and financial campuses, healthcare additions, and public-sector renovations across the city and its suburbs.
Facilities Commercial office buildings, insurance and financial campuses, state and municipal facilities, hospital additions, and higher-ed classroom and lab space.
Towns covered West Hartford, East Hartford, Wethersfield, Newington, Bloomfield, Windsor, Manchester, Rocky Hill.
Clients we work with here
Travelers · Ongoing mechanical and HVAC work at the downtown Hartford campus
Middlesex County. Our home. ASM is based at 52 Industrial Park Access Rd in Middlefield, minutes from Middletown.
ASM is headquartered next door in Middlefield, so Middletown is our backyard. Our fab shop, project managers, and service techs are all local, which means faster mobilizations, tighter coordination, and lower travel cost on Middletown-area jobs.
Facilities Manufacturing plants, downtown commercial buildings, healthcare and specialty medical, higher-ed, and municipal facilities.
Walmart · Retail mechanical work including a Cromwell store
Farmington Valley
Hartford County. About 40 minutes from Middlefield.
The Farmington Valley concentrates healthcare, insurance, and specialty life-science tenants, including UConn Health in Farmington. ASM has worked inside active hospital renovations here, including scope with medical gas, ICRA precautions, and hot-work phasing.
Facilities Hospital and academic medical, insurance campuses, specialty medical, and commercial office.
New Haven County. About 35 minutes from our Middlefield shop via I-91.
The New Haven metro carries a heavy concentration of research labs, medical facilities, and biotech tenants. ASM installs and maintains the mechanical scope those spaces depend on, including fume-hood exhaust, high-purity piping, cleanroom HEPA, and hospital HVAC and medical gas.
Facilities Research and teaching labs, healthcare buildings, biotech and life-science tenants, and downtown commercial buildings.
Towns covered North Haven, Hamden, West Haven, East Haven, Branford, Milford, Orange, Woodbridge.
Clients we work with here
Walmart · Recurring retail mechanical work including a Branford store
New London County. About 45 minutes from Middlefield via CT-9 and I-95.
Southeastern Connecticut carries heavy defense, marine, pharmaceutical, and healthcare work. ASM has installed and modified mechanical systems inside secure and critical facilities across the region, including phased work that has to happen without taking operations down.
Facilities Secure and defense-related facilities, pharmaceutical research, hospitals and specialty medical, and marine and industrial clients.
Towns covered Waterford, East Lyme, Niantic, Old Lyme, Montville, Salem, Old Saybrook.
Clients we work with here
Yale New Haven Health (L+M Hospital) · Hospital mechanical work in the New London and shoreline region
Walmart · Recurring retail mechanical work including Waterford and Old Saybrook stores
New London County. About 50 minutes from Middlefield via CT-9 and I-95.
Groton is one of our most active markets. ASM does a lot of work along the Groton and Thames River corridor, covering defense and submarine-related facilities, pharmaceutical research campuses, healthcare, and marine industrial clients. Much of this work runs in secure or operating environments where phasing, coordination, and clean execution matter as much as the mechanical scope itself.
Facilities Defense and submarine-related facilities, pharmaceutical research campuses, hospitals and specialty medical, and marine and industrial clients.
New London County. About 50 minutes from Middlefield via I-395.
The Norwich area covers hospitals, tribal-owned enterprises, community colleges, and industrial clients. ASM regularly works east of the river on healthcare renovations, HVAC upgrades, and mechanical scope for gaming, hospitality, and higher-education facilities.
Facilities Hospitals and specialty medical, gaming and hospitality, tribal enterprises, community colleges, and light industrial.
Tolland County. About 45 minutes from Middlefield via CT-2 and CT-195.
The UConn Storrs campus and surrounding Mansfield area generate steady mechanical work. That includes residence-hall renovations, research and teaching labs, and specialty facilities that need real coordination with facilities and academic calendars. ASM has delivered HVAC, sheetmetal, and mechanical scope on projects in both the Storrs and Farmington sides of the university.
Facilities Higher-education residence halls, teaching and research labs, and campus support facilities.
