J.F. Lehman & Company

Wrist Ship Supply Group is the world's largest ship supplier, specializing in providing comprehensive services to ship owners, operators, and clients in the offshore market. With regional centers across Europe, the Far East, the Middle East, and the USA, Wrist coordinates global activities through 30 operations and over 300 partnerships with local suppliers, ensuring effective service across the world's sea-lanes. The company offers a wide array of services, including bunker fuel supply, handling of owners’ goods, shipping, airfreight, and related marine services. Operating 24/7, Wrist caters to the needs of both multinational organizations and small local businesses, facilitating the seamless transfer of products across geographical boundaries while maintaining a commitment to reasonable pricing and responsiveness to client demands.

Atomic Transport is a company that offers specialized services in waste transfer operations and transportation. It focuses on providing outsourced long-haul waste transport and managing transfer stations for waste companies. Atomic Transport facilitates the movement of various types of waste, including municipal solid and liquid waste, as well as construction and demolition debris, from collection points to landfills and terminal stations. By delivering efficient waste management solutions, the company supports its clients in effectively handling their waste disposal needs.

Mission Microwave is a manufacturer and supplier of advanced electrical equipment primarily serving the commercial, military, and space industries. The company specializes in solid-state power amplifiers and block up-converter products designed for a range of applications, including ground-based, airborne, and space-based systems. Utilizing cutting-edge GaN transistors and power-combining technology, Mission Microwave's products offer efficient, lightweight, and compact solutions that enhance performance in high-power applications. The company also provides full-system designs, enabling customers to leverage improved semiconductor technology for their specific needs.

Heritage-Crystal Clean, Inc., through its subsidiary, Heritage-Crystal Clean, LLC, offers a range of environmental services and oil management solutions primarily to small and mid-sized customers in North America. The company operates in two main segments: Environmental Services and Oil Business. The Environmental Services segment provides parts cleaning, containerized waste management, vacuum truck services, antifreeze recycling, and field services. Meanwhile, the Oil Business segment focuses on the collection of used oil, the re-refining of that oil into lubricant base oil, the sale of recycled fuel oil, and the disposal of used oil filters and wastewater. Heritage-Crystal Clean emphasizes environmentally responsible practices and offers alternative parts cleaning solvents that qualify as non-hazardous due to their higher flashpoint. As of early 2020, the company operated 89 branches, serving around 90,000 customer locations, and is headquartered in Elgin, Illinois.

Narda-MITEQ is a designer and manufacturer specializing in radio frequency (RF) and microwave components and subsystems tailored for both defense and commercial markets. The company offers a diverse product portfolio that includes RF microwave products, SATCOM solutions, spaceborne systems, fiber optic products, and various amplifier assemblies. Their custom solutions are engineered to manage, condition, and transfer RF and microwave energy, catering to demanding applications in radar, space exploration, and intelligence, surveillance, and reconnaissance. Narda-MITEQ's focus on quality and innovation positions it as a key player in the development of advanced technologies for critical operational environments.

Trillium Engineering is an industrial technology company that specializes in the design and manufacturing of engineered camera gimbals for unmanned aerial systems (UAS). The company's products are aimed at enhancing stability and imagery for both domestic and international defense and government sectors. Trillium Engineering offers camera systems and real-time geospatial and geolocation applications in both visible and infrared spectrums. Their solutions cater to UAS tactical operations and are utilized by original equipment manufacturers (OEMs), integrators, and end-users for various applications, including mapping and situational awareness.

CTS Engines, LLC is a maintenance, repair, and overhaul (MRO) service provider for commercial jet engines, specializing in early-stage turbine engines. Founded in 2002 and based in Fort Lauderdale, Florida, the company offers a comprehensive range of services, including removal, replacement, and reinstallation of engine components, as well as inspections and repairs for various engine models such as the GE CF6 and PW2000 series. CTS Engines also provides field services, including on-site support, engine management, and compliance with airworthiness directives and service bulletins. Additionally, the company is involved in the buying, selling, and leasing of turbine engines, ensuring a complete resource for its clients' engine needs. The firm has established a strong reputation for quality service, integrity, and customer satisfaction, contributing to long-term relationships with its airline partners.

ENTACT, LLC is a provider of environmental and geotechnical construction services that operates across the United States, Canada, Mexico, Puerto Rico, and internationally. Founded in 1991 and headquartered in Westmont, Illinois, the company specializes in various environmental remediation services, including site preparation, water management, in-situ and ex-situ treatment, and sediment management. ENTACT also offers geotechnical construction services such as ground stabilization, structural support, and excavation support. The company serves a diverse clientele across multiple industries, including energy, transportation, mining, manufacturing, chemical, utilities, and real estate. With a focus on quality performance and organic growth, ENTACT has established multiple offices in key locations, including California, Colorado, Texas, Florida, South Carolina, Massachusetts, and Pennsylvania.

CodeMettle, LLC is a company based in Atlanta, Georgia, that specializes in designing and developing system automation and integration solutions. Founded in 2009, it offers a comprehensive data management platform tailored for Department of Defense networks and security enclaves. The platform simplifies the setup, operation, and sustainment of tactical networks by providing a unified network operation and a common operating picture across various network types. CodeMettle's services include process automation, real-time data streaming, service flow mapping, compliance automation, and operational analysis. The company also provides additional support through service implementation, training, system integration, and ongoing maintenance, enabling clients in both defense and commercial sectors to effectively analyze, organize, and visualize complex operations and processes.

Integrated Global Services, Inc. specializes in surface protection solutions aimed at addressing metal wastage and enhancing the reliability of critical equipment across various industrial sectors. Founded in 1975 and based in Richmond, Virginia, the company provides a range of services, including onsite and in-shop erosion and corrosion-resistant thermal spray coatings, GMAW corrosion-resistant weld overlays, and mechanical repair services. These services target the restoration and protection of degraded surfaces in equipment such as boilers, air heaters, catalysts, and pressure vessels. Additionally, Integrated Global Services designs and manufactures large particle ash filtration systems. The company serves clients in diverse industries, including fossil power, petrochemical refining, biomass and waste energy, pulp and paper, and industrial processing, with regional operations centers in Houston, Texas, and Alberta, Canada. With a global presence, Integrated Global Services focuses on optimizing the efficiency and longevity of high-temperature process equipment, ultimately reducing unplanned downtime for its customers.

Global Marine Holdings, LLC, operating as Global Marine Group, specializes in offshore engineering services across telecommunications, renewables, and the oil and gas sectors. Incorporated in 2002 and based in Chelmsford, United Kingdom, the company offers a wide range of services including cable installation, repair, and trenching, as well as fiber optic cable solutions and asset management. Its capabilities extend to providing underwater and engineering services tailored specifically for offshore renewables and utilities. Global Marine is recognized for its comprehensive approach to subsea operations, addressing the needs of both the telecommunications and energy markets. As of early 2020, Global Marine Holdings is a subsidiary of Trafalgar AcquisitionCo, Ltd.

Lone Star Disposal, LP is a waste collection service provider based in Houston, Texas, and operates as a subsidiary of Frontier Waste Holdings, LLC. The company offers a comprehensive range of waste management solutions, including construction and demolition disposal, municipal solid waste disposal, and environmental services. Its operations encompass a construction and demolition landfill, a municipal solid waste transfer station, a recycling facility, and a collection fleet. In addition to waste collection, Lone Star Disposal provides roll-off containers, waste compactors, and a variety of construction soils and landscape materials, serving a diverse customer base throughout the greater Houston metropolitan area.

Inland Pipe Rehabilitation is a privately-held trenchless solutions provider in the nation. IPR offers a wide range of installed rehabilitation solutions that restore communities with safe, smart and lasting infrastructure.

International Marine & Industrial Applicators LLC is a marine and offshore protective coatings company based in Spanish Fort, Alabama, with additional locations in Theodore, Alabama, and Jacksonville, Florida. Established in 1985, the company specializes in surface preparation and protective coatings applications for both military and commercial maritime sectors. It provides a range of services including abrasive blasting, high-pressure water blasting, and specialty coatings for hulls, tanks, and other vital areas on U.S. Navy vessels and commercial ships. Additionally, the company offers equipment rentals such as dehumidification equipment and dust collectors, as well as facilities for tank-lining applications. International Marine & Industrial Applicators is recognized as a leader in the preservation of critical coated areas on submarines, aircraft carriers, and surface combatants, serving shipyards, government agencies, and the broader marine industry.

Waste Control Specialists, LLC is a company based in Dallas, Texas, that specializes in the treatment, storage, and disposal of various types of waste, including Class A, B, and C low-level radioactive waste, mixed low-level radioactive waste, and hazardous materials. Established in 1989, the company operates a range of facilities that manage compact waste, federal waste, and byproduct materials. Waste Control Specialists focuses on providing comprehensive waste management services tailored to the nuclear sector in the United States. This includes the entire process from packaging and transportation to treatment, storage, and final disposal, ensuring compliance with regulatory standards. As of early 2018, the company operates as a subsidiary of JFL-WCS Partners, LLC.

UTC Aerospace Systems specializes in the design, manufacture, and servicing of advanced aerospace and defense products. The company offers a comprehensive range of systems and components for commercial, regional, business, and military aircraft, as well as helicopters and various other platforms. It is a significant supplier to international space programs and provides integrated solutions that enhance the safety, efficiency, and reliability of aircraft. UTC Aerospace Systems caters to original equipment manufacturers, engine manufacturers, airlines, defense agencies, and contractors, helping them meet the evolving demands of the aerospace market. The company employs around 42,000 people globally and generates approximately $14 billion in annual sales. Formed by the merger of Hamilton Sundstrand and Goodrich in 2012, UTC Aerospace Systems is part of UTC Propulsion & Aerospace Systems, which also includes Pratt & Whitney and Sikorsky Aircraft, encompassing a broad portfolio of aerospace technologies.

NorthStar is a leading provider of environmental and technical solutions, focusing on the commercial and government sectors. The company specializes in facility management, decommissioning, and remediation services, catering to industries such as power, industrial, hospitality, and government. Its expertise includes environmental remediation, deconstruction and demolition, nuclear decommissioning, emergency response, and asset recovery management. NorthStar leverages its extensive national footprint and diverse capabilities to deliver timely and effective response and restoration solutions, helping clients safely and cost-effectively restore their operations within specified timelines.

BEI Precision Systems & Space Co., founded in 1997 and headquartered in Maumelle, Arkansas, specializes in designing, manufacturing, and testing high-precision motion control components and sub-systems for demanding applications. The company's portfolio includes a wide range of optical encoders, motion control servo systems, motors/encoders, voice coil actuators, servo accelerometers, and complete control and gimbal systems. BEI Precision's products are renowned for their accuracy, resolution, environmental durability, and reliability, with over 90% of optical encoders used in space being manufactured by the company. Its solutions serve diverse markets such as military, aerospace, satellite, industrial automation, and scientific research, with applications ranging from satellites and missiles to telescopes and tracking mounts worldwide. BEI Precision operates as a subsidiary of Custom Sensors & Technologies, Inc., leveraging over six decades of expertise in sensing technologies.

Lake Shore designs, engineers, manufactures and supports complex, heavy equipment systems to meet mission critical requirements in harsh operating environments, including large deck handling equipment, access and lifting systems for U.S. Government vessels and customized underground mining equipment for mine owners and operators around the world. The Company operates from facilities in Rhinelander, WI, Iron River, MI, Kingsford, MI, and Ontonagon, MI as well as other sales and service sites in the U.S. and Mexico.

Visa Lighting is a manufacturer specializing in lighting solutions for various sectors, including healthcare, architecture, and institutional environments. The company focuses on creating innovative lighting products that enhance functionality and aesthetics in these settings. By leveraging advanced technology and design, Visa Lighting aims to meet the specific needs of its clients, ensuring high-quality illumination tailored to diverse applications.

American Scaffold Inc., located in San Diego, California, specializes in scaffolding systems and environmental containment solutions tailored for the maintenance, repair, and overhaul of U.S. government vessels. The company focuses on providing innovative framing and containment systems designed to enhance worker access and improve onsite productivity in industrial and maritime environments.

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Ravn Alaska is a regional airline headquartered in Anchorage, Alaska, specializing in passenger and cargo air transportation services. The airline operates scheduled flights connecting major hubs such as Anchorage, Fairbanks, Bethel, Cordova, Homer, Valdez, Kenai, and Kodiak, as well as over 100 smaller Alaskan communities. Ravn Alaska also accommodates passenger groups and transports odd-sized cargo weighing up to 6,000 pounds. Additionally, the airline is licensed to provide charter services throughout Canada and the continental United States, enhancing its logistical capabilities and service offerings.

Sprint Energy Services, LP specializes in oilfield waste management solutions, offering a range of products and services tailored for the oil and gas industry. These include tanks, pumps, containment berms, volatile organic compounds eliminators, trash trailers, and roll-off boxes. Additionally, the company provides essential services such as remediation and cleanup, hygiene and cooling, H2S monitoring, equipment cleaning, and roustabout services. Based in Houston, Texas, and established in 2015, Sprint Energy Services caters primarily to oil and gas exploration companies, midstream pipelines, and plant operators in South Texas. The company positions itself as a reliable partner, enabling clients to effectively manage their fluid and environmental compliance needs while ensuring personnel safety and efficient wellsite management.

AGI is a leading global provider of proprietary situational awareness and LED lighting systems for naval vessels, military and commercial aircraft and military ground vehicles. AGI's core product lines include naval visual landing systems, wind and speed sensor systems for naval and aviation applications, expeditionary airfield lighting, aircraft and ground vehicle lights and night vision test equipment. AGI serves hundreds of customers in over 50 countries, with operating subsidiaries including Aeronautical & General Instruments in Poole, U.K. and Hoffman Engineering in Stamford, CT.

Trident Maritime Systems is a prominent independent provider of comprehensive marine engineering services, specializing in turnkey solutions for both government and commercial clients. The company excels in delivering advanced solutions in marine interiors, distributed ship systems, electromechanical systems, and automation and control. Trident focuses on addressing the engineering challenges faced by shipbuilders and owners across diverse sectors, including cruise, military, offshore oil and gas, and commercial shipping. Their services encompass design, fabrication, installation, and testing, ensuring a seamless execution process that spans from initial drawings to final delivery. Through its commitment to high-quality engineering, Trident aims to provide significant value to its customers in the maritime industry.

ACR Group Corporation specializes in the development and manufacturing of safety and survival gear tailored for the aviation, marine, military, and commercial markets. The company focuses on creating advanced emergency beacons and survival equipment designed to enhance safety and rescue operations. Its product lineup includes rescue beacons, automatic identification systems, searchlights, emergency locator transmitters, and related accessories. ACR Group serves a diverse range of customers, including boaters, pilots, hunters, hikers, climbers, cyclists, and military personnel, as well as leading boat builders and aircraft manufacturers. By leveraging its technological expertise, ACR Group aims to deliver innovative solutions that prioritize life-saving capabilities in critical situations.

National Response Corporation (NRC) is a global leader in environmental, industrial, and emergency solutions. The company emphasizes responsive local service, maintaining high safety standards while utilizing innovative technology and modern equipment. With a dedicated team of professionals, NRC merges local expertise with the capabilities of an international organization to deliver quality services both in the United States and globally. This approach ensures that NRC effectively addresses complex environmental challenges while fostering strong community relationships.

Doss Aviation is a Colorado Springs-based company that specializes in flight training, maintenance, and logistics services for both traditional fixed-wing and unmanned aerial system aircrews. It operates a comprehensive training facility that provides curriculum coursework and flight training for United States Army and Government personnel, including pilots and weapons officers for both fixed-wing and rotary-wing aircraft. In addition to training, Doss Aviation offers organizational and intermediate level maintenance for various aircraft types, as well as management of airfield logistics. The company also provides air traffic control and weather information management services, along with flight operations and planning at select global sites. Furthermore, Doss Aviation supports airfield operations with bulk refueling services and aircraft component repair and modification.

Drew Marine is a global leader in providing technical solutions and services to the marine industry, specializing in advanced marine chemicals and equipment. The company offers a diverse portfolio that includes onboard test kits, water treatment chemicals, tanks, pumps, combustion systems, fuel treatment solutions, firefighting foam concentrates, fire extinguishing systems, survival craft, and refrigeration solutions. Drew Marine is supported by a worldwide network of service engineers and a robust global supply chain, ensuring delivery to over 900 ports. This extensive reach allows the company to effectively meet the varied needs of its clients in the marine sector.

Defense Venture Group (DVG) designs and manufactures innovative force protection systems and products primarily for government applications. The Company produces transparent spinel ceramic materials for transparent armor, defense optics, missile domes and lenses, abrasion resistant transparencies, aerospace, and commercial applications.

Millennium is a provider of remote, offshore maintenance, repair and overhaul (“MRO”) services for offshore rigs, offshore support vessels, drill ships and cruise vessels. Millennium operates in the Gulf of Mexico and numerous international markets, including West Africa, Brazil and Singapore, and possesses strong, longstanding customer relationships in the offshore oil and gas market.

Atlantic Marine is a privately held vessel maintenance, repair, overhaul and conversion (MROC), marine fabrication, and ship construction services provider

Hawaii Superferry will bring the first state-of-the-art, high-speed ferry service for both passengers and vehicles to the State of Hawaii. This ferry service will help change the state's inter-island life and commerce and make inter-island traveling more affordable and convenient for families, tourists, and people who work on neighboring islands.

Racal Acoustics Limited specializes in the design, manufacture, sale, and support of audio and communication equipment tailored for military applications, particularly in high-noise environments. Based in Harrow, United Kingdom, the company provides a range of products, including noise-excluding headsets, lightweight headsets, handsets, microphones, and line communication systems. Its offerings are engineered to function effectively in challenging military conditions, ensuring reliable communication across various ambient noise levels, from low to extremely high. The products are utilized in land, air, and sea defense as well as in commercial sectors, enhancing operational effectiveness for users in armored vehicles and aircraft.

Racal Instruments to better understand needs and applications, to access the technology needed to satisfy the most demanding requirements.

Oao Technology Solutions provides a wide range of outsourced IT solutions and professional services, including the operation of large-scale data center complexes and networks ("Megacenter Operations"), distributed systems management staffing services and other IT services. The Company provides these solutions and services, generally on a long-term, fixed-price contractual basis, to its Strategic Clients which are global providers of IT outsourcing services.

Special Devices is a manufacturer specializing in precision-engineered energetic devices, primarily serving the aerospace and automotive industries. The company focuses on product optimization for high-volume production and automation design, ensuring its offerings meet the rigorous standards of quality, reliability, and innovation required by its clients. By developing these specialized devices, Special Devices aims to fulfill the stringent requirements of its industry partners, contributing to advancements in automotive and aerospace technologies.

AMETEK Inc is a diversified industrial conglomerate specializing in the manufacturing of electronic instruments and electromechanical devices, with annual sales exceeding $6 billion. The company operates through two primary segments: the Electronic Instruments Group (EIG) and the Electromechanical Group (EMG). EIG focuses on designing and producing advanced instruments tailored for the process, aerospace, power, and industrial markets, contributing significantly to the company’s revenue. Meanwhile, EMG provides specialized automation solutions, thermal management systems, specialty metals, and electrical interconnects. Most of AMETEK's sales occur within the United States, and the company has adopted an asset-light strategy over the past two decades, emphasizing growth through acquisitions.

Burke Industries is a diversified manufacturer specializing in industrial roofing and flooring materials, particularly for large and institutional construction projects. The company also produces highly engineered elastomer products, including rubber, silicone, and vinyl-based materials, catering to various sectors such as aerospace, defense, commercial flooring, and fluid containment. Its flooring division offers architects and designers a comprehensive selection of resilient flooring solutions, ensuring high-quality options for diverse applications.

Sperry was established as a supplier to the U.S. Navy and is a world leader in the design, development, manufacture, service and supply of advanced electronics navigation and guidance systems for maritime and aircraft uses.

Accudyne formed as a military supplier and manufactures electronic and electromechanical devices and subsystems for military and commercial uses and marine munitions applications for all branches of the U.S.