| | Town | AFFILIATION/WORK SCOPE |
| Atlantic Coast Fence Company | Amesbury, MA | Fencing subcontractor to TerraTherm – for the noise barrier |
| Cider Hill Farms | Amesbury, MA | Cider and donuts for open house |
| Busby Construction Company | Atkinson, NH | Intersection construction contractor |
| JF Kimball Excavation | Boscawen, NH | Site and Utility Work |
| McCallister Land clearing & Excavation | Chichester, NH | Tree and brush clearing |
| American Striping | Chester, NH | Pavement marking subcontractor to Busby |
| Weston Solutions, Inc. | Concord, NH | MOM Facility Construction/Operation |
| Centerline Fence | Derry, NH | Perimeter fence installation, fence repair |
| American Excavating | Derry, NH | Water Line installation contractor to Pennichuck |
| Mikell and Son, Inc. | Epping, NH | NH Licensed well contractor – residential well work |
| Itchy and Scratchy Insulators | Epping, NH | Insulating subcontractor to Maple Leaf |
| Louis P. Cote, Inc. | Goffstown, NH | Rigging subcontractor to TerraTherm |
| MNS Imagery | Hampstead, NH | aerial imagery using drone |
| MMS Northeast | Hampton Falls, NH | Building erection subcontract to Maple Leaf |
| Diversified Pump | Hampton, NH | Pump Repair |
| Uptack Plumbing & Heating | Haverhill, MA | Mechanical Contractors – TerraTherm Gas Piping Installation |
| CCS Concrete | Haverhill, MA | Concrete subcontractor to TerraTherm – for equipment pad |
| Blue Line Rental | Haverhill, MA | Compressor rental, heavy equipment rental |
| Blue Line Rental | Haverhill, MA | Equipment Rentals – various |
| F.W. Webb | Haverhill, MA | Plumbing/Mechanical Supplies |
| Heaven’ly Donuts | Haverhill, MA | Food catering for open houses |
| Grande Mexico | Haverhill, MA | Food catering |
| Jennings Excavating | Hollis, NH | Earthwork subcontractor to Maple Leaf |
| Fred Fuller Propane | Hudson, NH | Propane Supplier for treatment building |
| D.R. Gildeault Air Compressors, LLC | Hudson, NH | Compressor service |
| Brox Industries | Hudson, NH | Gravel material supply, paving subcontractor to Busby |
| Kingston Redi-Mix | Kingston, NH | Concrete – material |
| American Concrete | Kingston, NH | Concrete foundation subcontract to Maple Leaf |
| Torromeo Industries, Inc. | Kingston, NH | Sand and Gravel |
| Peabody Supply Company | Kingston, NH | Plumbing/Mechanical Supplies |
| Hidden Hollow Farm | Kingston, NH | Hay Bales for erosion control |
| P&H Electric | Kingston, NH | Electrical installation and controls integration |
| New England Boring | Londonderry, NH | Monitoring well installation and abandonment |
| Eckhardt & Johnson, Inc. | Manchester, NH | Mechanical/Plumbing/HVAC for MOM Facility |
| James Roy Plumbing | Manchester, NH | Plumbing subcontractor to Densen |
| Miller Testing & Engineering | Manchester, NH | Materials testing and foundation inspections |
| Able Crane Service | Merrimack, NH | Crane Rental/Operations subcontractor to Terratherm |
| Electrical Installations, Inc. | Moultonborough, NH | Electrical and Controls for MOM Facility and Thermal System |
| Maple Leaf Construction Co. | Nashua, NH | Treatment building construction contractor |
| Simplex-Grinnell | Nashua, NH | Fire Protection/Alarm monitoring service |
| Dave’s Septic | Nashua, NH | Portable toilet rental |
| New England Signal | Northwood, NH | Traffic signal subcontractor to Busby |
| Shea Concrete Products | Nottingham, NH | Precast concrete barriers, transformer vaults, and other products |
| REP Landscaping | Plaistow, NH | Snow removal, tree clearing |
| Pete’s Septic | Plaistow, NH | Portable toilet rental, contract for treatment building tank pumping |
| Rigid Electric | Plaistow, NH | Electrical hookups and modifications |
| All Seasons Tree Specialists | Plaistow, NH | Tree and brush clearing |
| Densen Construction | Plaistow, NH | Water supply installation/decommissioning at homes, clearing/earthwork, office repairs, demolition |
| Senter Brothers Construction | Plaistow, NH | Site Work and Clearing – Sub to Densen |
| Tractor Supply Company | Plaistow, NH | Safety and other misc. supplies |
| Westville True Value Hardware | Plaistow, NH | Small tools, supplies |
| Westville Grand Rental Station | Plaistow, NH | Equipment Rentals – various |
| Pro Quip Equipment Rental | Plaistow, NH | Heavy equipment rentals |
| Agway/Dodge Grain | Plaistow, NH | Hay Bales for erosion control |
| Dano’s Pizza | Plaistow, NH | Food catering for open houses |
| Kevin Smith Construction | Plaistow, NH | Snow removal and site maintenance support |
| I C Reed, Inc. | Raymond, NH | Aerial fiber optic cable installation |
| Traynor Glass | Raymond, NH | Overhead Door Repair |
| RECON Remediation & Construction Outfitters | Sturbridge, MA | Tank and containment rentals |
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