Welding shops in Maryland

Compare listed welding shops in Maryland 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.

When is a welding shop the wrong first call?

When the parts still have to be cut, formed, or painted under the same purchase order. Start with fabrication, then drop to a weld-only shop if the route is already split.

When should I search nationally for welding?

When the procedure, alloy, or inspection is uncommon. Use a state page when the weldment is large or the customer already sits in that corridor.

Listed Welding Companies in Maryland

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

Automotive Parts & Machine of Frederick

📍 Frederick, MD Est. 1979
Specialties: Engine RebuildingCylinder Head RebuildingCrankshaft GrindingMachine Shop Services

Churchmens Machine Company

📍 North East, MD Est. 1959
Specialties: 4-Axis CNC MachiningConventional MachiningLaser EngravingPrototyping

Elseth & Mertel Machine/Fabrication LLC

📍 Laurel, MD Est. 1993
Specialties: Custom Metal FabricationCNC Machine TurningMillingMIG Welding

Hagerstown Metal Fabrication

📍 Hagerstown, MD
Specialties: Custom metal fabricationStructural steelIndustrial ductworkManganese alloy wear plates

LAI International

📍 Westminster, MD Est. 1979
Specialties: 5-Axis CNC MachiningECM/PECMEDM ProcessingLaser Machining

Mac Machine Company

📍 Baltimore, MD Est. 1980
Specialties: Precision CNC MachiningCNC MillingCNC TurningWire EDM

Maritime Fabrication

📍 Annapolis, MD Est. 1992
Specialties: Marine plasticsCustom fabricationThermal formingCNC machining

Maryland Fabricators

📍 Millington, MD Est. 1978
Specialties: Miscellaneous metals fabricationStructural steel manufacturingProject managementInstallation services

Maryland Metals Inc.

📍 Hagerstown, MD
Specialties: Steel plate productsPipe inventoryStructural steelAluminum products

Welding supplier landscape in Maryland

UNITEMFG currently matches 10 published supplier profiles to Welding in Maryland, spanning 8 listed cities. The largest concentrations in the directory are Baltimore (2 suppliers), Hagerstown (2 suppliers), and Annapolis (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 Custom metal fabrication (2 profiles), Structural steel (2 profiles), and Welding (2 profiles). The supplier set spans Construction (4 profiles), Machinery (4 profiles), and Automotive (1 profile) among its most represented industries. Published certification fields most often mention Nadcap (2 profiles), AS9100 (1 profile), and AS9100D (1 profile).

Because the matching profiles span 8 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

  • Baltimore2
  • Hagerstown2
  • Annapolis1
  • Frederick1
  • Laurel1
  • Millington1
  • North East1
  • Westminster1

Commonly listed capabilities

  • Custom metal fabrication2
  • Structural steel2
  • Welding2
  • 4-Axis CNC Machining1
  • 5-Axis CNC Machining1
  • Additive Manufacturing1
  • Aluminum products1
  • Assembly1

Industries represented

  • Construction4
  • Machinery4
  • Automotive1
  • Plastics1

Materials and credentials listed

  • Nadcap2
  • AS91001
  • AS9100D1
  • ISO 9001:20151

This Maryland 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 Maryland

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 Maryland?

Our directory makes it easy to research listed manufacturing companies.