Modern Welding Company, Inc.

What Modern Welding Company, Inc. does

Modern Welding Company, Inc. is a privately-held, family-owned industrial manufacturer founded in 1932 in Owensboro, Kentucky, and self-identified as the largest underground and aboveground steel tank manufacturer in the United States. The company designs, fabricates, and distributes UL-listed aboveground and underground storage tanks (Glasteel II, Glasteel ACT-100, ACT-100-U, STI-P3, UL-142 including the exclusive tall rectangular configuration, Fireguard, Flameshield, Supervault, F-921, UltraLube), ASME Section VIII Division 1 pressure vessels and LPG storage tanks (aboveground and underground), structural steel to AISC specifications, and custom carbon and stainless steel fabrications, plus oil/water separators (Kleerwater). Manufacturing is executed across eleven wholly-owned regional subsidiaries in Kentucky, Indiana, Texas, Ohio, Florida, Iowa, Georgia, and California, with four Modern Supply Co. welding-supply and steel-service stores in Kentucky and Indiana.

The business operates as a custom B2B industrial fabricator with a quote-based pricing system and a 24-hour response guarantee. GTM is enterprise field sales through each regional subsidiary, supported by technical documentation, industry-association membership (AWS, ASME, ASTM, STI), and project-based relationships with engineering, construction, and petroleum-equipment installer firms. Revenue streams are hardware sales across five primary lines: steel storage tank manufacturing, ASME pressure vessel manufacturing, structural steel fabrication, LPG tank manufacturing, and steel service center sales. Quality, safety, and code compliance are the dominant value propositions: the company holds ASME U-stamp, NBIC R-stamp, UL-58/142/1746/2085/2215, STI-P3/ACT-100/F-921, API-620/650, AISC Building Fabricator, AWS D1.1/D1.6, and AMPP QP 3 certifications.

Customers are diversified across petroleum retail, refining and petrochemical, agriculture, healthcare, aviation, and construction end-markets, with named enterprise references including Phillips 66, Pennsylvania Hospital, a global agribusiness customer, the Iowa 80 Truckstop, and a Central California poultry operation. The company reports no AI/ML capability, operates with no public API, has executed no acquisition since 2004, and has maintained continuous STI/SPFA Award of Excellence recognition since 2010.

Name

Modern Welding Company, Inc.

Legal name

Modern Welding Company, Inc.

Website

https://modweldco.com

Company type

Private

Founded year

1932

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Modern Welding Company is a privately-held, family-owned U.S. industrial manufacturer founded in 1932 and self-identified as the largest underground and aboveground steel tank manufacturer in the United States, producing UL-listed storage tanks, ASME pressure vessels, structural steel, LPG tanks, and oil/water separators across eleven regional manufacturing subsidiaries.

Ownership category

akta.pro rank

Product category

Industrial Steel Storage Tanks and Pressure Vessels

NAICS

Boiler, Tank, and Shipping Container Manufacturing (3324), Metal Tank (Heavy Gauge) Manufacturing (33242)

akta.pro primary industry

Pressure Vessels, Columns & Storage Tanks (ASME/Process Vessels) (IMAHAEAF)

Keywords

• Steel storage tanks
• Underground storage tanks
• ASME pressure vessels
• Structural steel fabrication
• Oil water separators

Headquarters

HQ city

Owensboro

HQ country

United States

HQ region

North America

Offices11 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Steel Storage Tank Manufacturing: Manufacture and sale of underground and aboveground steel storage tanks for flammable and combustible liquids. Includes Glasteel II, ACT-100, STI-P3, UL-142, API tanks, and specialized tanks like Fireguard and Flameshield.
2. ASME Pressure Vessel Manufacturing: Design and fabrication of ASME Section VIII Division 1 pressure vessels for chemical, petroleum, power generation, and other industries.
3. Structural Steel Fabrication: Custom structural steel fabrication through AISC certified facilities serving construction, energy, mining, defense, and agricultural industries.
4. LPG Tank Manufacturing: Liquefied petroleum gas storage tanks and vessels for propane, butane, and other gases serving agricultural, heating, and energy applications.
5. Steel Service Centers: Steel sales and service centers supplying carbon steel structural shapes, plate, sheet, pipe, and custom fabrication services. Walk-ins welcome with regional delivery.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Modern Welding Company manufactures and sells underground and aboveground steel storage tanks (UL-142, Glasteel II, ACT-100-U, STI-P3, Fireguard, Flameshield, SuperVault, F-921, API tanks) for flammable and combustible liquids, ASME Section VIII pressure vessels, LPG storage vessels, structural steel fabrications to AISC specifications, and Kleerwater oil-water separators. The company operates 11 manufacturing subsidiaries across the United States with regional service, direct project-based sales, and engineering/construction firm coordination.

Product overview

Modern Welding Company is a steel tank and vessel manufacturer offering aboveground and underground storage tanks, ASME pressure vessels, and custom steel fabrication services. The product portfolio includes UL-142 atmospheric tanks, fire-rated Fireguard™ and Flameshield® tanks, Glasteel II and ACT-100-U underground double-wall tanks, STI-P3 corrosion-protected tanks, LPG/propane storage vessels, Kleerwater™ oil-water separators, and ASME Section VIII pressure vessels (accumulators, autoclaves, deaerators, reactors, columns/towers). Aboveground fueling systems (AST-10/20/40) and UltraLube tanks round out the storage offerings. Steel fabrication includes structural steel to AISC specs and custom fabrication for specialized industrial applications. The company operates 11 manufacturing subsidiaries nationwide.

Differentiator

Problem solved

Functional benefit

Brands

• Glasteel II: Double wall underground storage tank with FRP secondary containment
• Glasteel ACT-100
• ACT-100-U
• Kleerwater
• STI-P3
• Fireguard
• Flameshield
• SuperVault
• UltraLube
• F-921
• Modern RecTank

Products and services

• UL-142 Tanks Steel atmospheric tanks for aboveground storage of non-corrosive, stable, flammable and combustible liquids. Available in horizontal, vertical, rectangular, and diked configurations with single or double wall construction.
• Glasteel II Double wall underground storage tank with a UL 58 steel primary tank enclosed within a 360-degree FRP secondary containment wall. Provides structural strength and biofuel compatibility with complete corrosion protection.
• Glasteel ACT-100 Composite underground storage tank with steel primary tank and nonmetallic external cladding of fiberglass and polyester or urethane resin. Built to UL-58, UL-1746 and Steel Tank Institute ACT-100 specifications.
• ACT-100-U Coated underground storage tank with steel primary tank and nonmetallic external coating of urethane resin. Atmospheric steel tank for underground storage of flammable and combustible liquids, built to UL-58, UL-1746 Part IV and STI ACT-100-U F-961 specifications.
• STI-P3 Three-part pre-engineered corrosion protection system for underground tanks consisting of special protective coating, cathodic protection with anodes, and electrical isolation bushings. Built to UL-58 and UL-1746 Part I specifications.
• Fireguard Aboveground fire rated storage tanks built to Underwriters Laboratories UL-2085 and Southwest Research Institute fire testing criteria for enhanced fire protection.
• Flameshield Aboveground fire rated storage tanks for flammable and combustible liquid storage with enhanced fire protection features.
• SuperVault Aboveground fire rated storage tank with UL 2085 listing for fire protection of stored flammable liquids.
• F-921 STI double wall aboveground storage tanks for flammable and combustible liquid storage.
• API Tanks Aboveground storage tanks built to American Petroleum Institute API-620 or API-650 design configurations for products with larger specific gravity than water.
• ASME Pressure Vessels ASME Section VIII Division 1 pressure vessels for storage of gases or liquids at high pressures. Includes accumulators, autoclaves, deaerators, flash tanks, reactors, absorber/filters, ammonia tanks, blowdown drums, columns/towers, chlorine contact tanks, hydro-pneumatic vessels, and thermal oxidizers.
• LPG Tanks Aboveground LPG storage tanks for liquefied petroleum gas storage at high pressures, built to ASME Section VIII pressure vessel standards.
• LPG Underground Underground vessel solutions for LPG, propane, butane, pentane, aqueous ammonia, anhydrous ammonia, and other gaseous products. Built to ASME Sec. VIII, Div. I with standard 250 psi rating.
• Kleerwater Oil Water Separators (Aboveground) Aboveground oil water separator for EPA wastewater discharge and water runoff compliance. Designed to separate free-floating oils and greases with specific gravities between 0.7 and 0.94.
• Kleerwater Oil Water Separators (Underground) Underground oil water separator for EPA wastewater discharge and water runoff compliance. Single or double wall tank designs built to UL-58, UL-1746 and UL-2215 standards.
• UltraLube Steel atmospheric tanks for aboveground storage of lube oil. Available in rectangular, bench top, and under catwalk configurations, built to UL-142 specifications.
• Structural Steel Fabrication Structural steel fabrication to AISC and AWS specifications for factories, schools, office buildings, conveyor systems, and coal handling support structures.
• Custom Structural Fabrication Custom steel fabrication using various welding processes (SMAW, GMAW, GTAW, SAW, FCAW) for specialized industrial applications including duct work, bins, hoppers, and process equipment.
• Steel Service Centers Steel sales and service centers supplying angles, tubing, channels, beams, flats, pipe, plate, sheets, and expanded metal with custom fabrication capabilities including shearing, braking, burning, and rolling.
• Fueling Systems Complete aboveground fuel dispensing systems including AST-10, AST-20 and AST-40 designed to meet various fuel handling requirements.

Quantifiable outcome

• Up to 30% cost savings compared to fiberglass underground storage tanks
• +4 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered minor.

• U-Dump Trailers, LLCminorChannel Partner/ Reseller/ DistributorModern Welding Company of Florida has supplied fabricated steel materials to U-Dump Trailers, LLC since 1986. U-Dump manufactures hydraulic dump trailers for residential and commercial use and has grown to national prominence with a dealer network across the country.
• Central Petroleum Equipment Company (CPEC)minorImplementation/ SI/ Consulting PartnerInstallation partner for Iowa 80 Truckstop project. CPEC installed Modern's Glasteel II tanks at the world's largest truckstop facility.

Scale indicators7 records

Recent moves14 records

Expansion highlights6 records

Broad incumbents

• Airgas (Air Liquide): Airgas, an Air Liquide company, is the largest U.S. distributor of industrial, medical, and specialty gases plus welding supplies and equipment. It is a much broader incumbent counterpart to Modern Welding's smaller Modern Supply Co. welding supply retail operation in Kentucky and Indiana.

Direct peers

• PermianLide Industries: PermianLide Industries manufactures steel tanks and vessels for upstream and midstream oil & gas, industrial chemical, and water storage applications, overlapping directly with Modern Welding's ASME pressure vessel and storage tank product lines serving refining and petrochemical customers.
• ConVault: ConVault is a manufacturer of fire-rated aboveground steel storage tanks (the original 'ConVault' concrete-and-steel vaulted AST) and directly competes with Modern Welding's Fireguard, Flameshield, and SuperVault fire-rated aboveground tank product families in the petroleum retail and fleet fueling market.
• Snyder Industries: Snyder Industries is a Nebraska-based rotational molding and tank manufacturer producing poly and steel tanks for bulk storage, chemical, and agricultural applications. It overlaps with Modern Welding on bulk liquid storage tanks and serves similar industrial and ag end markets.
• Containment Solutions: Containment Solutions, a Shawcor company, is one of the largest North American manufacturers of underground storage tanks (steel and fiberglass) for fuel, chemical, and water applications. It directly competes with Modern Welding's Glasteel II, ACT-100, and STI-P3 underground tank lines and shares the same EPA/UL/STI code-driven customer base.
• Wyatt Industries: Wyatt Industries fabricates ASME pressure vessels, heat exchangers, and custom process equipment for chemical, petrochemical, and industrial gas customers. It competes with Modern Welding's ASME Section VIII Division 1 pressure vessel business and similar custom-fabrication profile.
• TrueNorth Steel: TrueNorth Steel is a regional structural and miscellaneous metals fabricator with AISC certification serving commercial construction, industrial, and infrastructure customers in the upper Midwest. It directly parallels Modern Welding's AISC-certified structural steel fabrication work.
• Xerxes Corporation: Xerxes Corporation (also part of Shawcor) is a leading manufacturer of FRP/composite underground storage tanks and competes most directly with Modern Welding's Glasteel II and Glasteel ACT-100 product families in the petroleum retail and commercial fueling underground tank segment.
• Highland Tank & Manufacturing Company: Highland Tank manufactures UL-listed aboveground and underground steel storage tanks for petroleum, chemical, and water applications, with a comparable product portfolio (UL-142, STI-P3, ACT-100, Fireguard-style ASTs). It serves the same fuel retail, commercial, and industrial customer base as Modern Welding.
• Kennedy Tank & Manufacturing Co. Kennedy Tank is an Indiana-based fabricator of UL-142 aboveground tanks, ASME pressure vessels, and custom steel fabrication. Geographically proximate to Modern Welding's core Kentucky/Indiana footprint, it competes in the same regional mid-market AST and custom pressure vessel segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/modweldco
• Facebookfacebook.com/modernwelding
• LinkedInlinkedin.com/company/modern-welding-company-of-elizabethtown

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries12 records

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 Modern Welding Company, Inc.