Sulivan Steel Services

What Sulivan Steel Services does

Sullivan Steel Services is a privately held specialty steel distributor operating as a division of General Sullivan Group, Inc. Founded in 1980 and headquartered at 85 NJ Route 31 North in Pennington, New Jersey, the company supplies 19 grades of high-performance bearing, stainless, high-temperature, nitriding, and carburizing steel in bar, tube, and wire forms to manufacturers in aerospace and defense, medical, motorsports, and industrial end markets. Product grades conform to AMS, aerospace, and military specifications, and the company holds ISO 9001, AS9100, and AS9120 quality certifications that qualify it to supply flight-critical components.

The company's distribution model is sales-led and quote-based, with no public pricing. It combines a stocked specialty-metals catalog with six value-added services: short lead times, inventory management, tubing sourcing, technical support (including heat treating and material selection), in-house sawing, and freight handling. The strategic New Jersey location provides access to major Northeast highway networks, East Coast seaports, and nearby international airports, enabling competitive LTL and flatbed freight rates with flexible scheduling arrangements for just-in-time delivery to customers globally. Marketing is conducted primarily through a content-rich website (product catalog, comparison charts, calculators, live excess list, blog) and a Request a Quote conversion path.

Revenue mechanics are driven by one-time sales transactions priced per quote, with order value and timing tied to customer production schedules. The company is privately held within a diversified parent group, with no external institutional investment, no disclosed funding rounds, and no public revenue figures. Customer engagement is concentrated in long-cycle, qualification-driven industries where material traceability and certification requirements create meaningful switching costs.

Name

Sulivan Steel Services

Legal name

General Sullivan Group, Inc.

Website

https://sullivansteelservice.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

Sullivan Steel Services is a Pennington, NJ-based specialty steel distributor supplying 19 AMS-spec bearing, stainless, and high-temperature steel grades to aerospace and defense, medical, motorsports, and industrial manufacturers worldwide, under a quote-based B2B model.

Ownership category

akta.pro rank

Product category

Specialty Steel Distribution

NAICS

Metal Service Centers and Other Metal Merchant Wholesalers (423510)

SIC

Wholesale-Metals & Minerals (No Petroleum) (5050)

akta.pro primary industry

Steel Products Trading & Service Centers (Flat, Long, Pipe & Tube, Rebar) (IMAKAJAB)

akta.pro secondary industries

Steel Service Centers & Processing (Slitting, Cut-to-Length, Blanking, Leveling) (IMAKABAL), Specialty & Alloy Steel (Stainless, Tool Steel, Electrical Steel, High-Strength/HSLA) (IMAKABAJ)

Keywords

• Specialty steel distribution
• Bearing steel grades
• Aerospace steel supplier
• Industrial metals distribution
• High-performance alloys

Headquarters

HQ city

Pennington

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Steel Product Sales: Revenue generated through the distribution and sale of specialty steel products including bar, tube, and wire in various grades. The company maintains inventory on-hand for short lead times and rapid turnarounds, supporting production schedules for customers in aerospace, medical, motorsports, and industrial markets.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Sullivan Steel is a specialty steel distributor that supplies high-performance bearing, stainless, high-temperature, and nitriding steel grades in bar, tube, and wire forms to manufacturers in aerospace and defense, medical, motorsports, and industrial sectors. The company maintains on-hand inventory of 19 specialized steel grades sourced from long-standing mill relationships, and complements the product line with value-added services including in-house sawing, tubing sourcing, technical support, inventory management partnerships, and freight handling. Distribution is supported by ISO 9001, AS9100, and AS9120 quality certifications, enabling supply to flight-critical and other demanding applications.

Product overview

Sullivan Steel is a premier specialty steel distributor offering a comprehensive portfolio of high-performance metal products and services for demanding industries. The core offering consists of 19 specialized steel grades including bearing steels (52100, 8620, 9310, M50, M50NiL), stainless steels (440C, XD16N, XD15NW, N360, BG-42, Jethete M152, CX13VDW, Greek Ascoloy, A-21), high-temperature steels (4340, GKHW, GKPYW), and nitriding steels (Nitriding 135M, NC310YW). These materials are categorized by type: High Temperature, Stainless, Through Hardened, Nitriding, Carburizing, and Induction. Complementing the product portfolio are six service offerings: Short Lead Times, Inventory Management, Tubing, Technical Support, In-House Sawing, and Freight Handling. The company serves four primary industries: Aerospace & Defense, Medical, Motorsports, and Industrial. Sullivan Steel operates as a division of General Sullivan Group, Inc., strategically located in Pennington, New Jersey.

Differentiator

Problem solved

Functional benefit

Products and services

• 52100 Steel High-carbon, deep-hardening bearing steel available in bar, tube, and wire forms, meeting AMS 6440 and AMS 6444 specifications. Sold to aerospace, bearing, and industrial manufacturers requiring high-performance specialty steels.
• 8620 Steel Carburizing, case-hardening low alloy bearing steel in bar form, meeting AMS 6274 specification. Supplied to aerospace and industrial manufacturers for case-hardened gear and bearing components.
• 9310 Steel Premium carburizing bearing and gear steel meeting AMS 6260 and AMS 6265 specifications. Used by aerospace and gear manufacturers for high-performance bearing applications.
• Jethete M152 Steel High-strength, stainless, creep-resistant steel meeting AMS 5719 Type 2 specification. Supplied to aerospace manufacturers for high-temperature, high-stress components.
• Nitriding 135M Steel High-strength, low-alloy nitriding steel meeting AMS 6470 and AMS 6471 specifications. Used for surface-hardened industrial and aerospace components.
• M50 Steel Premium high-temperature bearing steel in bar and wire forms, meeting AMS 6490 and AMS 6491 specifications. Used in aerospace bearings operating at elevated temperatures.
• M50NiL Steel Carburizing, low-carbon, high-nickel M50 variant meeting AMS 6278 specification. Supplied to aerospace bearing manufacturers requiring enhanced toughness and fatigue resistance.
• CX13VDW Steel Distortion-resistant carburizing stainless steel supplied for aerospace and industrial components requiring dimensional stability during heat treatment.
• 440C Steel Deep-hardening, carbon-chromium stainless steel meeting AMS 5880, 5630, and 5618 specifications. Supplied to medical, aerospace, and industrial manufacturers for corrosion-resistant applications.
• XD16N Steel High-nitrogen, high-temperature stainless steel meeting AMS 5926 specification. Used in aerospace and industrial applications requiring corrosion resistance at elevated temperatures.
• XD15NW Steel Remelted high-nitrogen, corrosion-resistant steel meeting AMS 5925 specification. Supplied to aerospace and medical manufacturers for demanding corrosion-resistant applications.
• N360 Steel High-nitrogen, high-toughness stainless steel meeting AMS 5898 specification. Used in aerospace and medical applications requiring high corrosion resistance and toughness.
• BG-42 Steel Remelted high-speed, high-performance stainless steel meeting AMS 5749 specification. Supplied to aerospace bearing and cutting tool manufacturers.
• 4340 Steel Case-hardening, high-ductility and high-strength steel in bar and tube forms, meeting AMS 6414 and AMS 6415 specifications. Used in aerospace, motorsports, and industrial machinery applications.
• NC310YW Steel Through-hardening and surface-carburizable steel meeting AMS 6499 specification. Supplied to aerospace and high-performance industrial manufacturers.
• Greek Ascoloy Steel Creep, heat, and corrosion-resistant stainless steel meeting AMS 5616 specification. Used in aerospace turbine and high-temperature industrial applications.
• A-21 Steel Advanced martensitic, carburizing stainless steel (AMS specification pending). Supplied to aerospace and industrial manufacturers for high-performance applications.
• GKHW Steel High-performance, nitriding stainless steel meeting AMS 6481 (VIM-VAR only) specification. Supplied to aerospace manufacturers for nitrided, high-stress components.
• GKPYW Steel Deep-nitriding, impact-resistant, high-strength steel meeting AMS 6498 specification. Used in aerospace and demanding industrial applications.
• Short Lead Times Service Fast response, rapid turnarounds, and on-time delivery service for specialty steel orders. Available to industrial customers requiring just-in-time material supply.
• Inventory Management Service Partner service to store high-value input material with just-in-time inventory support. Available to industrial customers managing high-cost specialty steel stocks.
• Tubing Sourcing Service Steel tube sourcing service to identify the ideal steel tube for finished part sizes. Available to manufacturers requiring specialty tubing in specific dimensions.
• Technical Support Service
• In-House Sawing Service Precision cutting service providing steel parts cut to length to avoid wear on customer machines. Available to industrial customers purchasing bar or tube stock.
• Freight Handling Service Logistics service offering competitive LTL and flatbed freight rates with flexible scheduling, including collect, FOB destination, and drop-ship options. Available to industrial customers worldwide.

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• General Sullivan Group, Inc.coreOthersParent company and corporate umbrella. Sullivan Steel operates as a division of General Sullivan Group, Inc., located at the same address in Pennington, NJ.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Ryerson: Ryerson is a large publicly traded metals service center distributing a broad range of carbon, stainless, and aluminum products with processing services. It overlaps with Sullivan Steel in industrial and aerospace markets but at significantly greater scale.
• Kloeckner Metals: Kloeckner Metals is one of the largest broad-line metal service center operators in North America, distributing carbon steel, stainless, and aluminum products with value-added processing. It is comparable as a much larger incumbent that competes on general industrial demand.
• Carpenter Technology: Carpenter Technology is a specialty alloy producer (not a distributor) whose material grades overlap heavily with Sullivan Steel's portfolio, including bearing and stainless grades. It is comparable as the upstream mill source for many of the alloys Sullivan distributes.
• Olympic Steel: Olympic Steel is a national metals service center distributing carbon, stainless, and aluminum flat-rolled and tubular products. It is comparable as a broader-line competitor serving industrial end markets that overlap with Sullivan Steel's industrial segment.

Direct peers

• Service Steel Aerospace: Service Steel Aerospace is a direct peer focused on distributing high-performance alloy, stainless, and bearing steels specifically for aerospace and defense applications. It competes head-to-head with Sullivan Steel in AMS-spec material supply for flight-critical components.
• Continental Steel & Tube: Continental Steel & Tube distributes specialty steel, alloy, and titanium products in bar, tube, plate, and sheet form to aerospace, medical, and industrial customers. It is a comparable specialty distributor with similar product breadth and value-added processing services.
• TW Metals: TW Metals is a direct competitor distributing specialty stainless, aluminum, and alloy products (including aerospace grades) to similar industrial end markets. Both companies operate as value-added specialty metals service centers with comparable go-to-market models.
• Penn Stainless Products: Penn Stainless Products distributes stainless steel sheet, plate, bar, tube, and structural products, including many of the same 300/400-series and precipitation-hardening grades that Sullivan Steel carries. It serves overlapping industrial and aerospace markets through a service-center model.

Emerging players

• Online Metals: Online Metals is a digital-first metals distributor offering small-quantity cuts of specialty metals to a broad customer base. While not a direct competitor for aerospace volumes, it competes for prototyping and small-batch orders that are adjacent to Sullivan Steel's service offerings.

Regional players

• Industrial Metal Supply Co: Industrial Metal Supply is a West Coast-based multi-metal distributor with strong regional presence in steel, aluminum, and stainless products. It is comparable in service-center model but operates primarily in a different geographic footprint from Sullivan Steel.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks4 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/sullivan-steel-service

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 Sulivan Steel Services