Martin Midstream Partners LP

What Martin Midstream Partners LP does

Martin Midstream Partners L.P. (NASDAQ: MMLP) is a publicly traded master limited partnership founded in 2002 and domiciled in Delaware, providing midstream energy infrastructure services across the Gulf Coast and Texas. The company operates four integrated service lines: (1) Terminalling and Storage through marine and inland terminals handling petroleum products and related commodities; (2) Specialty Products, encompassing Martin Lubricants and Martin Specialty Products for industrial and commercial applications; (3) Sulfur Services, including Martin Resources, Martin Sulfur, and ELSA, which produce and distribute plant nutrient sulfur, ammonium sulfate, and industrial sulfur products; and (4) Transportation via land and marine fleets. Customers are B2B industrial counterparties — oil and gas producers, refiners, petrochemical companies, agricultural distributors, and construction/infrastructure buyers — served through long-term contract-based direct sales arrangements.

Revenue is generated through a mix of recurring fee-based terminalling/storage contracts and transactional fees on transportation and specialty product sales. Reported full-year 2025 revenue was $716.11 million, with Adjusted EBITDA of $99.0 million against a net loss of approximately $14.8 million. The partnership is sponsored by Martin Resource Management Corporation, which acts as general partner and controls the entity, with the remaining economics distributed to public unitholders. MMLP carried $439.1 million of total debt at year-end 2025, an adjusted leverage ratio of 4.43x, and a market capitalization of approximately $97.64 million as of December 2025.

The partnership is currently under financial and operational pressure. In March 2026, MMLP amended its credit facility with a Royal Bank of Canada-led syndicate, reducing revolving capacity from $130 million to $115 million and tightening interest coverage and leverage covenants ahead of November 2027 and February 2028 debt maturities. S&P subsequently downgraded the credit rating due to refinancing risk. First-quarter 2026 Adjusted EBITDA fell 25% year-over-year to $20.8 million, prompting management to cut full-year 2026 Adjusted EBITDA guidance by $6.5 million to $90 million. Additionally, a worker fatality at the Martin Asphalt South Houston facility in April 2026 triggered a multi-agency investigation.

Name

Martin Midstream Partners LP

Legal name

Martin Midstream Partners L.P.

Website

https://martinmidstream.com

Company type

Public

Founded year

2002

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Martin Midstream Partners (NASDAQ: MMLP) is a publicly traded master limited partnership providing terminalling, storage, transportation, and specialty product services for petroleum, chemical, and sulfur products to oil and gas producers, refiners, agricultural, and construction customers across the Gulf Coast and Texas.

Ownership category

akta.pro rank

Product category

Midstream Energy Services

NAICS

Petroleum Bulk Stations and Terminals (424710), Coastal and Great Lakes Freight Transportation (483113), Specialized Freight Trucking (4842), Other Support Activities for Water Transportation (48839), Marine Cargo Handling (488320)

SIC

Wholesale-Petroleum Bulk Stations & Terminals (5171), Water Transportation (4400), Trucking & Courier Services (No Air) (4210), Public Warehousing & Storage (4220)

akta.pro primary industry

Marine Terminals & Port Storage (Jetties, Docking, Bunkering Interfaces) (EUALAEAG)

akta.pro secondary industries

Crude Oil & Condensate Terminals (Tank Farms, Marine/Truck/Rail Loading) (EUALAEAA), Hazardous Liquids & Specialty Chemical Terminals (Methanol, Solvents, Sulfur) (EUALAEAL), Blending, Additization & Terminal Operations (In-Terminal Blending, Dyeing, Bio-blending) (EUALAEAJ), Product Tanker Shipping (Clean/Dirty) (EUALADAH), Marine Bunkering & Port Fuel Supply (EUALAIAG)

Keywords

• Midstream energy services
• Petroleum terminalling and storage
• Specialty chemicals distribution
• Sulfur processing services
• Marine and land transportation

Headquarters

HQ city

Kilgore

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Terminalling and Storage: Fee-based revenue from providing terminalling and storage services for third-party customers including oil & gas producers, refiners, and chemical companies at marine and inland terminals.
2. Transportation Services: Revenue from land and marine transportation of petroleum products, chemicals, and specialty products including asphalt, fertilizers, and sulfur.
3. Specialty Products: Revenue from manufacturing and selling specialty products including asphalt, lubricants, and fertilizer products (ammonium sulfate, plant nutrient sulfur).
4. Sulfur Services: Revenue from sulfur handling and processing services including solid and liquid sulfur products for industrial applications and agricultural fertilizers.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Martin Midstream Partners LP provides terminalling, storage, and transportation services for petroleum products, specialty chemicals, and sulfur across the U.S. Gulf Coast and Texas. The partnership operates four integrated service lines: marine and inland terminalling and storage, specialty products manufacturing (lubricants and specialty chemicals), sulfur services (plant nutrient sulfur, ammonium sulfate, and industrial/liquid/ground sulfur products), and land and marine transportation services for petroleum products and sulfur.

Product overview

Martin Midstream Partners LP is a midstream energy services partnership operating as a single unified service offering rather than a platform-plus-modules architecture. The company provides four core service lines: (1) Terminalling & Storage (Marine Terminals and Inland Terminals for petroleum products), (2) Specialty Products (Martin Lubricants and Martin Specialty Products for industrial lubricants and chemicals), (3) Sulfur Services (Martin Resources, Martin Sulfur, and ELSA for agricultural plant nutrients and industrial sulfur), and (4) Transportation (Land Transportation fleet and Marine Transportation vessels). These integrated services enable the company to handle the complete midstream value chain from terminalling and storage through to land and marine transportation of petroleum products and sulfur.

Differentiator

Problem solved

Functional benefit

Products and services

• Terminalling and Storage Provides terminalling and storage services for third-party customers through marine terminals and inland terminals, enabling the storage and handling of various petroleum products and related commodities for oil and gas producers, refiners, and chemical companies.
• Specialty Products Manufactures and distributes specialty products including lubricants and specialty chemical products for industrial and commercial applications.
• Sulfur Services Provides sulfur-related services and products, including processing, handling, and distribution of sulfur for agricultural and industrial uses, including plant nutrient sulfur products, ammonium sulfate, industrial sulfur products, liquid sulfur products, and ground sulfur products.
• Transportation Services Provides transportation services for petroleum products and sulfur via land and marine transport, including fleet-based trucking for transporting asphalt and other petroleum products over land and marine vessel transportation via waterways.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators9 records

Recent moves6 records

Expansion highlights2 records

Direct peers

• Genesis Energy, L.P. Genesis Energy is a diversified midstream MLP with terminalling, transportation, and sulfur services segments, directly overlapping with MMLP's marine terminalling and sulfur services operations along the Gulf Coast. Both operate similar fixed-fee, asset-heavy business models serving oil & gas producers and refiners.
• CrossAmerica Partners LP: CrossAmerica Partners is a wholesale distribution and midstream MLP distributing motor fuels and operating terminals. It directly overlaps with MMLP's wholesale petroleum, terminalling, and inland storage operations, and shares similar MLP structure and Gulf Coast/regional exposure.
• Western Midstream Partners, LP: Western Midstream Partners is a master limited partnership focused on midstream services including oil, gas, and NGL gathering and processing, with substantial operations in the U.S. shale plays. It competes for similar customer relationships and shares the MLP structure and asset-heavy fee-based model common to MMLP.
• DT Midstream, Inc. DT Midstream is an integrated midstream services provider offering natural gas, crude oil, and NGL gathering, processing, and transportation services with a heavy asset base. While more gas-focused, DT Midstream shares the midstream fee-based business model and Gulf Coast regional presence comparable to MMLP.
• USA Compression Partners, LP: USA Compression Partners is an MLP providing gas compression services to midstream operators and producers. While more focused on compression than terminalling, it shares MMLP's MLP structure, asset-heavy fee-based model, and Gulf Coast customer relationships among MLPs serving the broader midstream ecosystem.

Broad incumbents

• Targa Resources Corp. Targa Resources is a leading midstream services provider with gathering, processing, and NGL transportation assets across the U.S. It is a broader incumbent that competes for Gulf Coast infrastructure opportunities and shares customer relationships with oil & gas producers and refiners, though Targa is focused on natural gas and NGLs rather than petroleum products and sulfur.
• Delek US Holdings, Inc. Delek US Holdings operates refineries with integrated midstream and logistics assets in the U.S., overlapping with MMLP's refining-adjacent terminalling and transportation services. While larger and refiner-led, Delek targets many of the same regional customers for asphalt, fuel distribution, and specialty products.
• Sunoco LP: Sunoco LP is one of the largest motor fuel distribution MLPs in the U.S., with terminalling, storage, and fuel distribution assets acquired in the NuStar transaction. It overlaps with MMLP's terminalling, fuel distribution, and inland storage operations, with broader geographic reach and greater scale.
• Holly Energy Partners (now HF Sinclair Logistics & Supply): HF Sinclair Logistics & Supply (formerly Holly Energy Partners) operates crude oil and refined product pipelines and terminals affiliated with the HollyFrontier/HF Sinclair refinery system. Its terminal and logistics infrastructure directly competes with MMLP's terminalling and storage operations, with a refining-integrated sponsor similar in structure to MMLP's Martin Resource Management relationship.

Regional players

• Pembina Pipeline Corporation: Pembina Pipeline operates an integrated midstream and marketing business across Canada and select U.S. assets, with pipelines, terminals, and natural gas processing comparable to MMLP's operations. It serves a similar oil & gas producer and refiner customer base from a regional/Canadian vantage point rather than competing head-to-head in the U.S. Gulf Coast.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/martinmidstreampartners
• LinkedInlinkedin.com/company/martin-midstream-partners-l-p-

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries6 records

Funding overview

Funding rounds1 record

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 Martin Midstream Partners LP