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 electrical equipment specializing in solid-state power amplifiers and block up-converter products. The company serves commercial, military, and space industries, focusing on ground-based, airborne, and space-based applications. Utilizing advanced gallium nitride (GaN) transistors and power-combining technology, Mission Microwave designs efficient, lightweight, and compact high-power solid-state power amplifiers. This innovation allows customers to leverage improved semiconductor technology for diverse applications, enhancing performance and operational effectiveness across various sectors.

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 specializing in the design and production of engineered camera gimbals for unmanned aerial systems (UAS). The company focuses on providing stability and imagery systems for both domestic and international defense and government markets. Its products support tactical operations for small UAS, as well as real-time mapping and geolocation applications, offering advanced camera systems in both visible and infrared spectrums. By targeting original equipment manufacturers, integrators, and end-users, Trillium Engineering enhances operational capabilities through its innovative solutions in the UAS sector.

CTS Engines, LLC is a maintenance, repair, and overhaul (MRO) service provider specializing in early-stage commercial jet engines. Founded in 2002 and based in Fort Lauderdale, Florida, the company offers a comprehensive range of services, including the removal, replacement, and reinstallation of compressor and turbine blades, as well as various repairs such as blade and shroud grinding, rotor balancing, and moment weighing. CTS Engines is recognized for its field services, which include engine inspections, module swaps, and on-wing maximum power assurance certification. The company holds FAA and EASA certifications for a variety of turbine engines and is involved in the leasing, trading, and management of spare engines. Known for its commitment to quality and customer satisfaction, CTS Engines has established a strong reputation within the aviation industry, reflected in its substantial repeat business and long-term client relationships. The company's facilities are strategically located near major airports to support worldwide engine maintenance and inspections.

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 provider of system automation and integration solutions, focusing on simplifying complex networks and applications for both Department of Defense and commercial enterprises. Founded in 2009 and based in Atlanta, Georgia, the company offers a data management platform that supports the setup, operation, and maintenance of tactical networks. Its services include real-time data streaming, network management, compliance automation, and operational convergence, all aimed at enhancing process automation and analytics. CodeMettle’s platform provides a unified network operation and a common operating picture, allowing clients to analyze, organize, and visualize intricate processes effectively. The company also offers additional services such as system integration, implementation, training, and ongoing maintenance and support, ensuring seamless operation across geographically distributed networks.

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 and environmental services provider based in Houston, Texas. Operating as a subsidiary of Frontier Waste Holdings, LLC, the company offers a comprehensive range of solutions for waste management in the greater Houston metropolitan area. Its services include construction and demolition waste disposal, municipal solid waste collection, recycling, and materials processing. Additionally, Lone Star Disposal provides roll-off containers, waste compactors, and a variety of construction soils and landscape materials. With a robust service platform that includes a construction and demolition landfill, a municipal solid waste transfer station, and a recycling facility, Lone Star Disposal is equipped to serve a diverse clientele while promoting environmentally sustainable practices.

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 is a company based in Dallas, Texas, specializing in the management of various types of waste materials in the United States. Founded in 1989, it focuses on the treatment, storage, and disposal of Class A, B, and C low-level radioactive waste, mixed low-level radioactive waste, hazardous waste, and byproduct materials. The company operates facilities designed for compact waste, federal waste, hazardous waste, byproduct disposal, as well as treatment and storage services.

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 electronic lighting solutions tailored for healthcare, architectural, and institutional environments. The company focuses on providing innovative lighting products that enhance functionality and aesthetics in various settings, ensuring high standards of quality and efficiency in its offerings. By addressing the unique needs of these sectors, Visa Lighting contributes to creating well-lit spaces that support both operational and design requirements.

American Scaffold Inc. is a San Diego-based company that specializes in providing scaffolding systems and environmental containment solutions primarily for the maintenance, repair, and overhaul of U.S. government vessels. The company focuses on offering innovative framing and containment systems designed to enhance worker access and optimize productivity on construction and maintenance projects within the maritime industry.

API Technologies Corp. specializes in the design and manufacture of systems, subsystems, modules, and components for radio frequency (RF), microwave, millimeter wave, and security applications. The company operates through three main segments: Systems, Subsystems & Components; Electronic Manufacturing Services; and Secure Systems & Information Assurance. Its offerings include RF and microwave solutions, microcircuits, opto-electronic media conversion, and secure network systems, catering to various industries such as aerospace, defense, medical, energy, and communications. API Technologies also provides secure access and information assurance products, alongside comprehensive electronic manufacturing services like prototype development and supply chain management. Founded in 1993 and headquartered in Marlborough, the company serves clients in the United States, the United Kingdom, Canada, China, Germany, and internationally.

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 is a Houston-based company that specializes in oilfield waste management solutions. Established in 2015, it offers a range of services including tanks and pumps, containment berms, volatile organic compounds eliminators, and trash trailers and roll-off boxes. The company also provides remediation and cleanup services, hygiene and cooling solutions, H2S monitoring, equipment cleaning, and roustabout services. Sprint Energy Services caters to a variety of clients, including oil and gas exploration companies, midstream pipelines, and plant operators throughout South Texas. By delivering accurate, quick, and safe services, the company positions itself as a reliable partner for customers seeking to meet their fluid management, environmental compliance, personnel safety, and wellsite management needs.

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 specializing in flight training, maintenance, and logistics services for both fixed-wing and unmanned aerial systems. 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. In addition to training, Doss Aviation offers organizational and intermediate maintenance for both fixed- and rotary-wing aircraft. The company also manages airfield operations and logistics, providing services such as air traffic control, weather information management, flight operations, and planning at various customer locations worldwide. Doss Aviation's capabilities extend to aircraft and bulk refueling services, as well as component repair and modification, ensuring a full spectrum of support for military and government aviation needs.

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 is a manufacturer based in Harrow, United Kingdom, specializing in audio ancillary and field communication equipment tailored for military environments. The company designs and produces a range of products including noise excluding headsets, lightweight headsets, handsets, and microphones, as well as line communication and avionic systems. These products are engineered to function effectively in high-noise environments, such as those encountered in armored vehicles, fixed-wing and rotary-wing aircraft. Racal Acoustics aims to enhance communication capabilities across various applications, including land, air, and sea defense, as well as commercial sectors, ensuring robust performance even in harsh conditions.

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, along with automation design and development of its devices. By emphasizing quality, reliability, and innovation, Special Devices aims to meet the stringent requirements of its clients, ensuring that its products maintain a high standard in performance and safety.

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, as well as military elastomer products. The company produces highly engineered rubber, silicone, and vinyl-based products tailored for various sectors, including aerospace, defense, commercial flooring, heavy-duty trucks, and fluid containment. Its flooring division offers a comprehensive selection of resilient flooring options designed to meet the needs of architects and designers for large and institutional construction projects. With a focus on quality and innovation, Burke Industries serves multiple industries, reinforcing its commitment to providing advanced solutions in construction and specialized 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.