What is the phone number for Marmon/Keystone Llc?

(413) 527-2000. You call Marmon/Keystone Llc directly; AssistAnt never sits in the middle.

Where is Marmon/Keystone Llc?

Marmon/Keystone Llc serves Southampton, MA as a service-area business (no street address shown).

Is Marmon/Keystone Llc still in business?

Listed from public business records, last updated October 14, 2026. Call to confirm.

Is Marmon/Keystone Llc licensed and insured?

Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.

Who else is near Southampton?

AssistAnt lists 73 welding and fabrication shops near Southampton. Closest to Marmon/Keystone Llc: Lyman Sheet Metal Co Inc (0.6 mi), Hometown Metal Roofing (4.4 mi), Mike's Custom Welding (6.3 mi).

Marmon/Keystone Llc · (413) 527-2000

AssistAnt › Pro directory › Southampton, MA

What we do

Services

🛠️Welding & fabrication

Checked, with dates

🧾 Trust Card · 2 receipts

Listed in the AssistAnt 24/7 directoryBusiness record from Overture Maps open business data (CDLA-Permissive-2.0).
Oct 14
Shown as open for business in the source dataOperating status in the business record.
Oct 14

Not verified yet: Owner has not confirmed this listing yet; License and insurance not reviewed by AssistAnt yet; No AssistAnt job history linked to this listing yet.

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In their words

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Where

Service area

Map of the Southampton, MA area (© Google). Is this your business? Claim it and put up your own photos →

About Marmon/Keystone Llc

Marmon/Keystone Llc is listed on AssistAnt for welding & fabrication in Southampton, MA.

Built from public business information. Call to confirm before you go.

Contact

Phone: (413) 527-2000
Website: marmonkeystone.com
Location: Southampton, MA, 01073 (service area)
Booking: Not bookable online yet. Call the business directly.

Listed from public recordsNot verified yet. Details come from open business data and may be out of date.See the Trust Card: what we checked, how and when →

Quick facts about Marmon/Keystone Llc

What is the phone number for Marmon/Keystone Llc?: (413) 527-2000. You call Marmon/Keystone Llc directly; AssistAnt never sits in the middle.
Where is Marmon/Keystone Llc?: Marmon/Keystone Llc serves Southampton, MA as a service-area business (no street address shown).
Is Marmon/Keystone Llc still in business?: Listed from public business records, last updated October 14, 2026. Call to confirm.
Is Marmon/Keystone Llc licensed and insured?: Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.
Who else is near Southampton?: AssistAnt lists 73 welding and fabrication shops near Southampton. Closest to Marmon/Keystone Llc: Lyman Sheet Metal Co Inc (0.6 mi), Hometown Metal Roofing (4.4 mi), Mike's Custom Welding (6.3 mi).

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Other welding and fabrication shops nearby

Lyman Sheet Metal Co IncSouthampton, MA · 0.6 mi
Hometown Metal RoofingWestfield, MA · 4.4 mi
Mike's Custom WeldingHolyoke, MA · 6.3 mi
Steelhead StudiosHolyoke, MA · 6.4 mi
Industrial Steel & Boiler ServicesChicopee, MA · 6.8 mi
International Metal ProductsChicopee, MA · 6.9 mi

All welding and metal fabrication shops near Southampton, MA (73) →

Every trade and local freelancer in Southampton →

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