Verified Nov 2026
Thermal & Fluid Systems
·

Portsmouth, New Hampshire
·
Since 1853
SIG Sauer, Inc. manufactures firearms, ammunition, suppressors, and optics, and is headquartered in Portsmouth, New Hampshire, United States. The company was founded in 1853 and has an estimated 1,000 to 5,000 employees with estimated revenue of $500 million to $1 billion. It is privately held and serves the automotive, electric-vehicle, military-defense, and industrial-equipment industries. In December 2025, the Swiss Armed Forces selected its P320 pistol as their official sidearm.
SIG Sauer, Inc. at a glance
Revenue
$500M-1B
Est. band
Employees
1,000-5,000
Founded
1853
Headquarters
Portsmouth, New Hampshire
Certifications
ISO 9001
Import activity
1984
Industries
Automotive
Electric Vehicles
Military & Defense
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1984
Named foreign suppliers
50
Top origins
Italy · Israel · Japan · Netherlands

Shared foreign counterparties do not establish that these companies buy from SIG Sauer, Inc..
What this tells a buyer
The company's most recent development on record is a $77.7 million U.S. Army award reported in December 2025 for its next-generation squad weapon, and federal contract records list $315.9 million in government contracts won over a 12-month period.
The company is ISO 9001 certified and offers products including the P320 and P365 handguns, MCX and SIG716 rifles, suppressors, and optics.
The company is privately held, and its government contract wins and selection of the P320 by the Swiss Armed Forces indicate a significant position in the defense sector.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
173 years in operation (founded 1853).
Holds ISO 9001 certification(s) per public sources.
Overview
SIG Sauer, Inc. manufactures firearms, ammunition, suppressors, and optics, and is headquartered in Portsmouth, New Hampshire, United States. The company was founded in 1853 and has an estimated 1,000 to 5,000 employees with estimated revenue of $500 million to $1 billion. It is privately held and serves the automotive, electric-vehicle, military-defense, and industrial-equipment industries. In December 2025, the Swiss Armed Forces selected its P320 pistol as their official sidearm.
At a glance
Attribute | Detail |
|---|---|
Founded | 1853 |
Headquarters | Portsmouth, New Hampshire |
Employees | 1,000-5,000 |
Revenue | $500M-1B (estimated) |
Primary capability | Thermal & Fluid Systems |
Certifications | ISO 9001 |
What SIG Sauer, Inc. makes
The company is ISO 9001 certified and offers products including the P320 and P365 handguns, MCX and SIG716 rifles, suppressors, and optics.
Products and capabilities described on the company's own site include Steel, Machining (source: sigsauer.com).
Certifications
SIG Sauer, Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — sigsauer.com
Trade and customs footprint
The company's most recent development on record is a $77.7 million U.S. Army award reported in December 2025 for its next-generation squad weapon, and federal contract records list $315.9 million in government contracts won over a 12-month period. US customs bill-of-lading records list 1984 inbound shipments across 50 foreign suppliers, with top origins including Italy · Israel · Japan · Netherlands.
Latest developments
2026-11-04 — SIG Sauer Inc. Government Contracts: $315.9M Won in 12 Months (federalbidalerts.com)
2026-09-16 — Celerant + SIG SAUER: Turning Online Searches into In-Store Sales (celerant.com)
2026-09-15 — SIG SAUER Partnership Delivers First Suppressor Manufactured in Sweden | SIG SAUER (sigsauer.com)
2025-12-19 — Army Awards $77.7M for Next Generation Squad Weapon to SIG Sauer (readthegovcontract.com)
2025-12-09 — SIG SAUER P320 Selected as Swiss Armed Forces Official Sidearm (sigsauer.com)
2025-11-03 — SIG SAUER Wins 2025 Excellence in Construction Award | SIG SAUER (sigsauer.com)
Facilities
SIG Sauer, Inc. is headquartered in Portsmouth, New Hampshire. Public sources also reference these locations:
Jacksonville, Arkansas — sigsauer.com
Company details
The company is privately held, and its government contract wins and selection of the P320 by the Swiss Armed Forces indicate a significant position in the defense sector. SIG Sauer, Inc. was founded in 1853, has an estimated 1,000-5,000 employees, and is headquartered in Portsmouth, New Hampshire. On the LightSource stability read it is rated "Established & active": 173 years in operation (founded 1853). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does SIG Sauer, Inc. make?
SIG Sauer, Inc. manufactures firearms, ammunition, suppressors, and optics, and is headquartered in Portsmouth, New Hampshire, United States. The company was founded in 1853 and has an estimated 1,000 to 5,000 employees with estimated revenue of $500 million to $1 billion. It is privately held and serves the automotive, electric-vehicle, military-defense, and industrial-equipment industries. In December 2025, the Swiss Armed Forces selected its P320 pistol as their official sidearm.
Where is SIG Sauer, Inc. headquartered?
SIG Sauer, Inc. is headquartered in Portsmouth, New Hampshire (72 Pease Boulevard, Portsmouth, New Hampshire, 03801).
When was SIG Sauer, Inc. founded?
SIG Sauer, Inc. was founded in 1853.
How big is SIG Sauer, Inc.?
SIG Sauer, Inc. has an estimated 1,000-5,000 employees, with revenue in the $500M-1B range (estimated).
What certifications does SIG Sauer, Inc. hold?
SIG Sauer, Inc. lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does SIG Sauer, Inc. import from overseas suppliers?
US customs bill-of-lading records show 1984 inbound shipments for SIG Sauer, Inc., with top origins including Italy · Israel · Japan · Netherlands.
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Last verified Nov 2026. Is this your company? Request a correction.
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