Welding shops in New Hampshire

Compare listed welding shops in New Hampshire by process fit and whether the quote matches the work on the print.

Clusters this page covers

  • Job-shop weld bays quoting brackets, frames, and repair work
  • Code and procedure-controlled bays for pressure, structural, or customer specs
  • Robotic and production weld cells for repeat assemblies
  • Fab shops that weld as one step in a longer route

Selection rules

  1. Name the process: MIG, TIG, stick, flux-core, or robotic. Then name the code or customer spec if there is one.
  2. Ask whether the shop is weld-only or also cuts, forms, and finishes.
  3. Require the same joint design, filler, inspection, and distortion assumption from every quote.
  4. Separate repair and one-off frames from production weld cells.
  5. Use a state page when the weldment is large or the visit is required. Use this national page when the procedure is uncommon.
  6. Directory listing is not a WPS. Confirm procedure, personnel, and inspection with the shop.

When to use a weld shop, a fab shop, or a production cell

Welding can be the whole award or one operation inside fabrication. Choose that first.

When this is the jobUseWhy
A weldment or repair where the parts are already cut and fitWelding shopYou are buying procedure, distortion control, and inspection.
A job that still needs nest, brake, blast, or paintFabrication shopThe weld is one step. Splitting it creates fit-up and finish fights.
A repeat assembly with fixtures and a weekly releaseProduction or robotic weld cellThe award is repeatability, not a one-off TIG repair.

How to source this work

Use a welding shop when joint design, process, distortion, and inspection determine the integrity of the assembly.

Include in the RFQ

  • assembly drawings and weld symbols
  • base and filler material specifications
  • applicable welding code or procedure requirements
  • fixture, distortion, and dimensional requirements
  • visual, dimensional, and nondestructive examination scope

Questions that separate suppliers

  • Which qualified procedures and personnel apply to the job?
  • How will distortion and heat input be controlled?
  • What weld inspection records can be supplied?

Questions this page can answer

How should a buyer compare welding shops?

Start with process, procedure, and inspection. Then ask whether cutting and finishing stay on site. Listed counts show who is in the directory. They do not prove a current WPS.

What belongs in a welding RFQ?

Joint design or weld symbols, base and filler metal, applicable code, inspection method, quantity, and how distortion will be judged. Missing any of those is why weld quotes come back as hourly guesses.

Listed Welding Companies in New Hampshire

Results are ordered alphabetically. Inclusion is based on the matching process or industry recorded on each published profile.

EVS Metal

📍 Keene, NH
Specialties: Precision Sheet Metal FabricationCNC MachiningWeldingRobotic Welding

Precision sheet metal fabricator and industry leader in steel and aluminum fabrication. The Keene facility comprises 32,000 square feet of modern, cli...

Macy Industries

📍 Hooksett, NH Est. 1975
Specialties: Custom Metal FabricationIndustrial PlatformsDust CollectorsArchitectural Metalwork

Second-generation family business providing custom metal fabrication design, build, and installation services. Known as a one-stop-shop for metal need...

New Hampshire Industries

📍 Claremont, NH Est. 1960
Specialties: Custom Engineered PartsMechanical AssembliesPulleys and SprocketsPrecision Components

American manufacturer specializing in custom engineered parts and assemblies with over 60 years of experience. Operates from a 140,000-square-foot fac...

New Hampshire Steel Fabricators

📍 Manchester, NH
Specialties: Structural Steel FabricationArchitectural MetalworkHeavy Industrial FabricationCustom Steel Buildings

Custom steel fabrication company providing structural steel, architectural metalwork, and heavy industrial fabrication services. Specializes in custom...

Scotia Technology

📍 Laconia, NH
Specialties: Rigid Metal Tube AssembliesTube BendingTube FormingTube Welding

Superior supplier of rigid metal tube assemblies up to 2" O.D. for aerospace and aircraft industries, including engines, airframes, hydraulics, missil...

Welding supplier landscape in New Hampshire

UNITEMFG currently matches 5 published supplier profiles to Welding in New Hampshire, spanning 5 listed cities. The largest concentrations in the directory are Claremont (1 supplier), Hooksett (1 supplier), and Keene (1 supplier). This is a directory-derived view of available suppliers, not an estimate of the entire state market.

The capabilities most often named on matching profiles are Architectural Metalwork (2 profiles), Advanced Composites (1 profile), and Assembly (1 profile). The supplier set spans Construction (2 profiles), Aerospace (1 profile), and Machinery (1 profile) among its most represented industries. Published certification fields most often mention ISO 9001 (1 profile).

Because the matching profiles span 5 cities, buyers can compare several local supplier markets rather than treating one metro as representative of the state. Use the listed capabilities as a first-pass filter, then require each shortlisted supplier to confirm that the relevant process is performed in-house, on suitable equipment, at the required scale.

Supplier locations

  • Claremont1
  • Hooksett1
  • Keene1
  • Laconia1
  • Manchester1

Commonly listed capabilities

  • Architectural Metalwork2
  • Advanced Composites1
  • Assembly1
  • CNC Machining1
  • Custom Engineered Parts1
  • Custom Metal Fabrication1
  • Custom Steel Buildings1
  • Dust Collectors1

Industries represented

  • Construction2
  • Aerospace1
  • Machinery1
  • Other1

Materials and credentials listed

  • ISO 90011

This New Hampshire market view is calculated from published UNITEMFG profiles whose process labels map to the Welding cluster. Counts describe directory coverage, not independently audited capacity, quality, or availability.

How to source Welding in New Hampshire

Use welding suppliers when joint design, base material, welding process, distortion control, and inspection acceptance determine the integrity of the assembly.

Include in the RFQ

  • assembly drawings and weld symbols
  • base and filler material specifications
  • applicable welding code or procedure requirements
  • fixture, distortion, and dimensional requirements
  • visual, dimensional, and nondestructive examination scope

Questions that separate suppliers

  • Which qualified procedures and personnel apply to the job?
  • How will distortion and heat input be controlled?
  • What weld inspection records can be supplied?

Need Help Finding Welding in New Hampshire?

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