What Lindberg/MPH does

Lindberg/MPH is a U.S.-based manufacturer of custom and standard industrial heat treat furnaces and non-ferrous melting and holding equipment, operating from its headquarters and manufacturing facility in Riverside, Michigan. Founded in 1912 (as the Replaceable Heating Elements Company) and re-formed in 2005 through the consolidation of Lindberg and MPH under the Thermal Product Solutions (TPS) umbrella of SPX, the company has accumulated 75,000+ furnace installations worldwide. Its product portfolio spans pit, box, integral quench, conveyor, continuous, and walking beam heat treat furnaces; aluminum, zinc, and lead melting/holding furnaces; and a complementary line of atmosphere generators (HYAM ammonia dissociator, HYEN endothermic, HYEX exothermic). Underlying technology includes proprietary rod-overbend heating elements, multi-zone temperature control systems (Watlow F4T, Eurotherm), Allen Bradley PLC automation, Waukee gas-mixing carburetors, and magnetic stirring mechanisms for aluminum melting — supporting AMS 2750G Class 3 temperature uniformity for aerospace-grade applications.

The company generates revenue through project-based hardware sales with quote-driven pricing typically exceeding $50,000 per order, using milestone payment terms (30-50% upfront, balance on fabrication completion and shipment). A second revenue stream comes from aftermarket parts and services — preventative maintenance, temperature uniformity surveys, instrument calibrations, rebuilds, retrofits, and turn-key installation — supported by what the company describes as the most extensive replacement parts inventory in the industry. Lindberg/MPH sells direct through an enterprise field sales force and leverages the TPS brand network (Baker Furnace, Blue M, Gruenberg, Tenney, Lunaire, Wisconsin Oven), targeting primary verticals of aerospace/military and automotive, with secondary exposure to energy/oil, electronics, foundry, commercial heat treating, and laboratory/research segments. Distribution is direct-to-end-user with no disclosed reseller channel.

Name

Lindberg/MPH

Legal name

TPS, LLC

Website

https://lindbergmph.com

Company type

Private

Founded year

1912

Operating status

Operating

Headcount range

51–100 employees

Short description

Lindberg/MPH manufactures custom and standard industrial heat treat furnaces and non-ferrous melting/holding equipment, serving aerospace, automotive, energy, electronics, and foundry customers globally from its Riverside, Michigan facility as a brand under Thermal Product Solutions.

Ownership category

akta.pro rank

Headquarters

HQ city

Riverside

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Revenue model

1. Custom Industrial Furnace Manufacturing: Design, manufacture, and sale of custom and standard industrial heat treat furnaces (pit, box, integral quench, conveyor, continuous, walking beam) and non-ferrous melting/holding furnaces. Revenue generated through project-based orders with payment terms including deposits (30-50% upfront) and milestone payments based on fabrication progress.
2. Aftermarket Parts and Service: Factory-trained aftermarket team providing preventative maintenance, temperature uniformity surveys, instrument calibrations, replacement parts, furnace rebuilds, relines, retrofits, training, and turn-key installation services. Extensive replacement parts inventory for all industrial furnace brands.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

No source content was provided in the input to support a detailed description of the company's offerings.

Product overview

Lindberg/MPH is a leading manufacturer of standard and custom industrial heat treat furnaces and non-ferrous melting and holding equipment with over 100 years of experience. The product portfolio centers on three core offerings: Heat Treat Furnaces (including pit, box, IQ, belt type, and conveyor designs for ferrous and non-ferrous markets), Non-Ferrous Melting & Holding Furnaces (wet hearth melting, stack melters, dry hearth, crucible/pot melting, aluminum holding, and autoladle dosing), and Light Industrial & Lab Furnaces (under the Lindberg/Blue M brand for research and laboratory applications). These are complemented by atmosphere generators (HYAM, HYEN, HYEX), continuous furnaces (roller hearth, shaker hearth, rotary hearth, walking beam), and specialized equipment like Gantry Line and Hot Stamping furnaces. The company also provides comprehensive aftermarket services including parts, preventative maintenance, temperature uniformity surveys, and furnace rebuilds. Lindberg/MPH operates as a brand under Thermal Product Solutions (TPS), alongside sister sub-brands Baker Furnace, Blue M, Gruenberg, Tenney, Lunaire, and Wisconsin Oven, each serving specific segments of the thermal processing industry.

Differentiator

Problem solved

Functional benefit

Brands

• Lindberg/Blue M: Light industrial and laboratory furnaces featuring energy efficient and space saving designs with modular and stackable units.
• HOMO
• HYEX
• HYAM
• HYEN

Products and services

• Industrial Heat Treat Furnaces
• Non-Ferrous Melting & Holding Furnaces

Quantifiable outcome

• Combined capacity to process 24,000 lbs workload per furnace system
• +5 more outcomes

Segments8 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature6 records

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• AFC-Holcroft: Direct peer in industrial heat treating furnaces (batch, continuous, conveyor, mesh belt) serving automotive, aerospace and commercial heat treaters with highly comparable product categories.
• Surface Combustion: Direct US-based competitor manufacturing batch and continuous industrial heat treat furnaces (pit, box, IQ, rotary hearth), serving aerospace and automotive with custom-engineered solutions very similar to Lindberg/MPH.
• SECO/WARWICK: Global supplier of heat treat and vacuum furnaces plus metallurgy lines, competing head-to-head with Lindberg/MPH in aerospace, commercial heat treat and non-ferrous thermal processing.
• Ipsen: Major global manufacturer of heat treat furnaces, including vacuum and atmosphere furnaces for aerospace and medical, directly overlapping Lindberg/MPH's aerospace-certified product portfolio.
• Carbolite Gero: Direct peer in laboratory and light-industrial high-temperature furnaces (1100°C–1800°C), competing most directly with the Lindberg/Blue M product line.
• Nabertherm: German manufacturer of industrial and laboratory furnaces up to very high temperatures, with a comparable product span (chamber, tube, retort, continuous) targeting lab, materials R&D and small-batch production.

Broad incumbents

• Harper International: Specialty high-temperature industrial furnace maker for advanced materials, fibers and advanced ceramics, serving overlapping high-temperature processing customers though different process focus (continuous, advanced materials vs batch ferrous heat treat).

Emerging players

• Inductotherm Group (Inductoheat): Leading induction heating equipment maker serving similar aerospace and automotive heat-treating use cases; competes by substituting induction for furnace-based processing, displacing furnace demand over time.
• Wisconsin Oven: Sister TPS brand offering industrial ovens for heat treating, finishing, drying and curing; while under common ownership, it competes with Lindberg/MPH in adjacent (oven-based) thermal processing equipment sales channels.
• Paragon Industries: US manufacturer of small to mid-sized industrial and lab furnaces/kilns, overlapping Lindberg/MPH on the lower-capacity and lab/light-industrial segments of the market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/LindbergMPH
• LinkedInlinkedin.com/company/lindberg-mph

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 Lindberg/MPH