Insights

Expansion opportunities Sonnax has multiple production and technical development centers across the US and is a Marmon/Berkshire Hathaway company with a broad aftermarket and industrial reach, suggesting potential cross-sell opportunities to expand into new regions and adjacent market segments.

Aftermarket focus With a strong emphasis on automotive aftermarket transmission components and a history of integrating Rostra Powertrain Controls, there are prospects for partnerships or bundled offerings targeting aftermarket repair shops, performance shops, and distributors.

Innovation pipeline A robust new-product cadence including O-rings, clutches, servos, Zip Kits, and mechanical diodes indicates opportunities to position Sonnax as a supplier for new OEM-equivalent performance parts to fleets, performance teams, and racing developers seeking reliability improvements.

Quality credentials ISO 9001:2015 certification and a root-cause quality philosophy can be leveraged to target quality-conscious buyers, OEMs, and distributors who require traceable quality, warranty performance, and long-term supplier reliability.

Growth signals Revenue scale (250–500 million) and recent product launches across torque converters, GM Powerglide, and Toyota/Lexus transmission lines signal momentum; sales teams should pursue tiered accounts, distributor partnerships, and regional expansion to capitalize on demand.

Similar companies to Sonnax

Sonnax Tech Stack

Sonnax uses 8 technology products and services including Cookiebot, Hyperion, Microsoft SQL Server, and more. Explore Sonnax's tech stack below.

Media & News

Sonnax's Email Address Formats

Sonnax uses at least 4 email formats:
Sonnax Email FormatsExamplePercentage
First.Last@sonnax.comJohn.Doe@sonnax.com
86%
Last@sonnax.comDoe@sonnax.com
9%
LastF@sonnax.comDoeJ@sonnax.com
3%
First@sonnax.comJohn@sonnax.com
2%

Frequently Asked Questions

What is Sonnax's phone number?

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You can contact Sonnax's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sonnax's official website and social media links?

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Sonnax's official website is sonnax.com and has social profiles on LinkedIn.

How much revenue does Sonnax generate?

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As of August 2026, Sonnax's annual revenue is estimated to be $250M - $500M.

What is Sonnax's NAICS code?

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Sonnax's NAICS code is 3361 - Motor Vehicle Manufacturing.

How many employees does Sonnax have currently?

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As of August 2026, Sonnax has approximately 182 employees across 3 continents, including North America, Asia and Africa. Key team members include Chief Rep (china): M. Q., Vice President Operations: B. W. and Vice President Business Development: D. O. Explore Sonnax's employee directory with LeadIQ.

What industry does Sonnax belong to?

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Sonnax operates in the Motor Vehicle Manufacturing industry.

What technology does Sonnax use?

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Sonnax's tech stack includes Cookiebot, Hyperion, Microsoft SQL Server, Mimecast Secure Email Gateway, Azure Active Directory, VMware, Adobe Creative Suite and LabVIEW.

What is Sonnax's email format?

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Sonnax's email format typically follows the pattern of First.Last@sonnax.com. Find more Sonnax email formats with LeadIQ.
Sonnax logo

Sonnax

Motor Vehicle ManufacturingVermont, United States51-200 Employees

Sonnax Transmission Company designs, manufactures and distributes drivetrain components for the automotive aftermarket, commercial vehicle sectors and related industries. As part of Marmon/Berkshire Hathaway, it operates the Sonnax and Rostra Powertrain Controls brands and integrated with Rostra in 2021 to form a single, transmission-focused organization. The company emphasizes root-cause problem solving and uses new materials and testing to restore OE performance or improve beyond it, and it holds ISO 9001:2015 certification. Headquartered in Bellows Falls, Vermont, Sonnax maintains production in Laurinburg, North Carolina, and technical development centers across California, Georgia, Indiana, Missouri and Wisconsin. The firm serves the automotive aftermarket and commercial vehicle operators seeking reliability and performance improvements in transmissions and converters. Recent product introductions include servos for GM TH400 and 4L80-E transmissions and other kits designed to address root causes of common failures, reflecting ongoing focus on durable, consistent performance.

Section iconCompany Overview

Phone number
Website
sonnax.com
NAICS Code
3361 - Motor Vehicle Manufacturing
Employees
51-200

Section iconFunding & Financials

  • $250M - $500M

    Sonnax's revenue is estimated to be in the range of $250M - $500M

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