What Stoddard Silencers does

Stoddard Silencers, Inc. is a privately held, founder-owned industrial manufacturer founded in 1975 by Edgar S. Stoddard and headquartered in Grayslake, Illinois. The company designs and manufactures industrial-grade silencers, intake air filters, and filter silencers for noise control and air filtration in blower, compressor, engine, and vacuum pump applications, serving end markets including wastewater treatment, power generation, pneumatic conveying, vacuum truck manufacturing, oil and gas refining, dairy operations, and carpet cleaning.

Stoddard's product portfolio spans approximately 14 distinct families, including chamber blower silencers (D13/D33 series), PD blower package silencers (PD13/PD33) with integrated mounting bases, intake filter silencer cartridges (F64/F72), inline air filters, vacuum pump separator silencers (V31H-V33H), vent silencers (B15/B21) for high-pressure steam and gas systems, multi-grade engine silencers (chamber E12-E15, resonator E31/E33, spark arresting E50-E55), absorption silencers, and aluminum acoustic noise enclosures (PSE series). Core technical differentiators include a proprietary acoustic pack retention tube design that prevents pack migration in critical service environments, leak-tight construction meeting S-167 bubble test specifications, and dimensional matching capability for competitor units from manufacturers such as Burgess Manning and Universal AET. The company was the first domestic manufacturer to develop Packaged Discharge Silencer (PD Bases), an innovation that converts blower package assembly from a fabrication process into a modular assembly.

Stoddard generates revenue primarily through custom hardware sales on a quote-based pricing model, with products sold directly through a nationwide network of US regional sales representatives and supported by extensive technical resources including a Silencer Selection Program, downloadable 2D/3D drawings for registered users, and application-specific sizing tools. The firm reports standard-vendor status with most major US vacuum truck OEMs and many major domestic pneumatic conveying OEMs, alongside project-based sales to end users in power generation and wastewater facilities. Stoddard is founder-owned with no external institutional investment, has operated continuously for over 50 years, and reports 11-50 employees with more than 90 years of aggregate sales and engineering staff experience.

Name

Stoddard Silencers

Legal name

Stoddard Silencers Incorporated

Website

https://stoddardinc.com

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

11–50 employees

Short description

Stoddard Silencers is a privately held US manufacturer of industrial silencers, intake air filters, and filter silencers for blower, compressor, engine, and vacuum pump applications, serving OEMs and end users in power, wastewater, pneumatic conveying, and vacuum truck industries.

Ownership category

akta.pro rank

Product category

Industrial Noise Control Equipment

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

Noise & Vibration Control for HVAC (Silencers/Isolation) (IMADANAL)

akta.pro secondary industries

Industrial Vacuum Systems (Wet/Dry, Dust Extraction) (IMAHALAC), Vacuum Systems & Components (Vacuum Pumps, Ejectors, Cups, Grippers) (IMAHAGAN)

Keywords

• Industrial silencer manufacturing
• Noise control equipment
• Air filtration systems
• Blower silencers
• Vent silencers

Headquarters

HQ city

Grayslake

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D

Revenue model

1. Industrial Silencer Sales: Primary revenue from manufacturing and selling industrial silencers including chamber-only, chamber-absorption, absorption, vent, engine, and separator silencers. Products sold directly through sales representatives and as complete PD blower package systems with bases and accessories.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Stoddard Silencers designs and manufactures industrial-grade silencers, intake air filters, and filter silencers used for noise control and air flow management on industrial blowers, compressors, engines, and vacuum pumps. The product portfolio spans chamber blower silencers, chamber-absorption silencers, PD blower package silencers with integrated mounting bases, regenerative blower silencers, vacuum pump separator silencers, absorption silencers, vent silencers, engine silencers, spark arrestors, and industrial noise enclosures, supported by a Silencer Selection Program.

Product overview

Stoddard Silencers is an industrial silencer and air filtration manufacturer offering a comprehensive portfolio of products organized into two main categories: Air & Process Filtration and Rotary Blower Silencers, along with specialty silencers. The filtration line includes F64/F72 intake filter silencers, F65/F65V/F75 inline filters, F21/F22/F41/F42 panel filters, and replacement filter elements. The silencer portfolio spans chamber-only silencers (D13/D13H series) and chamber-absorption silencers (D33/D33H series) for PD blowers, PD blower package silencers (PD13/PD33) with integrated bases, regenerative blower silencers (L21), vacuum pump separator silencers (V31H/V32H/V32HA/V33H), absorption silencers (C24/C26/L21), vent silencers (B15/B21), engine silencers (chamber E12-E15, resonator E31/E33, spark arresting E50-E55), and industrial noise enclosures (PSE series). The company also offers technical services including a Silencer Selection Program for sizing and product selection. Products are designed for industrial applications across wastewater treatment, power plants, pneumatic conveying, vacuum trucks, oil and gas, and various other sectors requiring noise control and air filtration.

Differentiator

Problem solved

Functional benefit

Products and services

• Air Intake Filter Silencer Cartridge (F64/F72 Series)

Quantifiable outcome

• F64 and F72 intake filter silencers provide 16dB to 20dB noise reduction with 99% filtration efficiency on 1 micron particles
• +4 more outcomes

Named customers5 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators7 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Donaldson Company: Large-scale manufacturer of air filtration and related industrial components; overlaps with Stoddard's F-series intake filter silencers and inline filters, but operates across a much broader filtration portfolio globally.
• Atlas Copco: Global manufacturer of compressors, blowers, and vacuum equipment that often bundles silencer and filtration accessories with its core equipment; competes indirectly with Stoddard as an OEM that may prefer proprietary noise-control solutions.
• Parker Hannifin: Global industrial motion and control conglomerate with filtration, pneumatics, and noise-control product lines serving compressors, blowers, and engines; a much larger incumbent that competes in adjacent product categories rather than silencer-only niche.
• Greenheck Group: Leading US manufacturer of commercial and industrial ventilation equipment including fans, blowers, and related air-handling accessories; overlaps with Stoddard's absorption silencer and ventilation noise-control categories at a much larger scale.
• Industrial Acoustics Company (IAC): Long-established US manufacturer of industrial noise control products including silencers, acoustic enclosures, and barriers; serves similar industrial end-markets (power, OEMs) but operates at significantly larger scale across broader noise-control categories.
• Cummins (Cummins Filtration): Major diesel engine and filtration manufacturer with extensive engine silencer/exhaust product lines; competes with Stoddard's E-series engine silencers in industrial and marine engine applications.

Regional players

• VAC-CON: US-based vacuum truck OEM and equipment manufacturer that would source silencers similar to those Stoddard supplies; representative of the OEM customer-side overlap rather than a silencer manufacturer peer.

Emerging players

• Silvent: Manufacturer of industrial silencers and noise-control solutions focused on compressed-air and pneumatic applications; partial product overlap with Stoddard's pneumatic conveying and compressor silencers, primarily in European and global markets.

Direct peers

• Universal Silencers (Universal AET): Direct competitor in industrial silencer manufacturing, particularly for blowers, compressors, and engines; historically co-founded by Stoddard's founder Edgar S. Stoddard, making it a closely comparable product-line competitor in the same US market.
• Burgess Manning: Industrial silencer manufacturer serving blower, compressor, and engine noise-control applications; explicitly named as a competitor whose units Stoddard can dimensionally match, indicating direct product overlap and head-to-head competition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/stoddard-silences-inc.

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Stoddard Silencers