H. H. Arnold, Co., Inc. - Rockland, MA (Serving New Hampshire)
Manufacturer, Custom Manufacturer, Service Company
Precision centerless grinding from 0.004 in. to 0.500 in. dia. & plunge length to 2.5 in. Capabilities include surface finishing up to 4 microinch, tolerance up to 2.5 microns & roundness up to 1 microns. Other capabilities include CNC cylindrical external grinding up to 14 in. dia. x 40 in. length, CNC cylindrical internal grinding up to 16 in. swing x 8 in. depth, surface grinding up to 16 in. x 32 in. x 16 in., conventional grinding up to 6 in. dia. x 39 in. length & honing up to 10 in. dia. x 36 in. length.
www.hharnold.com/cylindrical.html

Cromwell Steel, Inc. - Plainville, MA (Serving New Hampshire)
Distributor, Custom Manufacturer, Service Company
Distributor of stainless steel, nickel alloys & structural steel including: sheet, strip, tubing, decking, angles & channels, bars, rods, plate & tubing. Close tolerance, hard-to-find items. JIT delivery, in-house secondary operations. Steel fabrication & processing. Services available include cutting, grinding, machining, rolling, forming, welding & polishing.
www.cromwellsteel.com/services.html

Quartzite Processing, Inc. - Malden, MA (Serving New Hampshire)
Custom Manufacturer, Service Company
Centerless precision grinding services. Capable of grinding parts up to 16 in. length, 16 in. width, 16 in. thickness, 14 in. OD and 12 in. ID. Capabilities include finishing, machining and fabricating. Military and commercial industries served. Ship-to-Stock available. JIT delivery.
www.quartziteprocessing.com/cap.html

C & M Machine Products, Inc. - Hudson, NH
Manufacturer, Custom Manufacturer, Service Company
Veteran owned, ISO 9001:2008; AS9100 certified, for electrical, defense, aerospace & automotive industries; CNC, precision, general, screw & swiss machining, external & internal recessing services.
Brand Names: Citizen, Hydromat, Miyano Nigata, Tsugami
www.cm-machineproducts.com

MJC Shafts & Rolls - Nashua, NH
Manufacturer, Custom Manufacturer, Service Company
Precision, large & plastics machining services including centerless grinding. Capabilities range from prototype to production & include stainless steel, PTFE, PTFM, PFA, PVDF, Halar® & polypropylene. Additional services include thermal spraying, CNC milling, CNC drilling & tapping, turning, bending, forming, polishing, electropolishing, passivation, bonding, metals & plastics joining, TIG welding, fusion & stick plastics welding, stress relieving, heat treating, assembly & testing. Design, engineering, reverse engineering, installation, repair & maintenance are also available.

Fuller Machine Co., Inc. - Alstead, NH
Manufacturer, Custom Manufacturer, Service Company
Machine Work

Venture Machine LLC - Claremont, NH
Manufacturer, Custom Manufacturer, Service Company
Precision machined components, plastics, steel, alloys & non-ferrous materials & prototypes. Precision milling, turning & grinding with tolerances up to +/- .0002. Prototypes & short run production sv

Rockingham Sheet Metal, Inc. - Pelham, NH
Custom Manufacturer, Service Company
Sheet Metal Work Service

Barco Engineering Co., Inc. - Tilton, NH
Manufacturer, Custom Manufacturer, Service Company
Manufacturer Of Screw Machine Products; Machine Work, CNC Turning Service

Fryeburg Technical Grinding, Inc. - Center Conway, NH
Manufacturer, Custom Manufacturer, Service Company
Ceramic Grinding & Machining: R&D, Precision, Centerless, Cylindrical, Custom & Surface Grinding

Waltham Screw Co. - Harrisville, NH
Manufacturer, Custom Manufacturer, Service Company
Screw machine products.

P. H. Precision - Pembroke, NH
Manufacturer, Custom Manufacturer
Manufacturer of precision screw machine components, swiss & CNC turning. ISO 9002, QS 9000 certified. Single & multi-spindle automatic rotary transfer equip., micro-finishing.