Company library

4D Armor, LLC designs and manufactures personal protection body armor for soldiers, first responders and law enforcement. In addition, the company supplies armor solutions for vehicles, small boats, aircraft, helicopters and drones.

4‑D Engineering Co. supplies abrasion‑ and corrosion‑resistant screws and barrels designed for high‑performance molding and extrusion equipment. Its catalogue features machine screws and barrels, body adapters, nozzles, tips, seats and rings that are used in precision injection molding and extrusion machines handling thermoplastic, thermoset or rubber materials.

4DSysco Automation integrates robotic work cells that can be deployed in spot‑welding, material‑handling, sealing, painting, cutting and thermal‑processing operations. The company also provides control and process engineering, robot‑programming, and simulation services to support system implementation. Its customer base spans the automotive, government, oil and gas, and medical sectors.

4D Technology Corp manufactures metrology products that are employed in aerospace, astronomy, and optical fabrication, while also supporting semiconductor and data‑storage applications. Its offerings address the precision‑measurement requirements of these high‑technology sectors.

4E Valve designs and manufactures industrial valve solutions, offering gate valves, globe valves, check valves, NRS gate valves, and ball valves.

4everalive, LLC manufactures private‑label skin, beauty, body and personal‑care products. Its portfolio includes bath salts, body scrubs, body oils, serums and exfoliators. In addition to production, the company offers formulation development and shipping services as supplemental capabilities.

4Experience delivers virtual and augmented reality software development solutions. The firm combines statistical research, consulting and training services to support projects ranging from building and interior visualizations to employee training programs and game development. Its expertise spans the architectural, education, entertainment, manufacturing, medical, e‑commerce and travel sectors.

4FRONT Solutions manufactures electronic assemblies for the medical, military, aerospace, locomotive, consumer‑product and industrial‑control sectors. The operation maintains ISO 9001:2008 and ISO 13485:2003 certifications and complies with ITAR requirements. Production capabilities span thru‑hole, surface‑mount, ball‑grid‑array and mixed‑technology printed circuit board assemblies, together with cable, harness and chassis assemblies, and the company also provides full system integration. Complementary services include automated coating, supply of RoHS‑compliant components, product testing, elevated‑temperature burn‑in, prototype development, X‑ray inspection and automated optical inspection. In addition, the facility holds IPC A610D soldering certification.

4G Steel Fabrication delivers comprehensive steel fabrication solutions. Its technical repertoire encompasses CNC plasma cutting, tube cutting, press‑brake forming, beam coping, drilling, shearing, punching, and band sawing. These capabilities enable the company to meet a wide range of precision metalworking requirements.

4g Technologies LP designs and manufactures sequence event recorders and a complementary line of instrumentation. Its product portfolio includes digital fault recorders (DFRs), phasor measurement units (PMUs), GPS‑synchronized time clocks, traveling‑wave fault location devices, and virtual‑graphic, serial and contact annunciators.

4 Guys, Inc. designs and builds fire and rescue vehicles, offering a lineup that includes pumping trucks, tanker trucks, aerial trucks and rescue trucks. The company also produces custom‑specification pumping trucks tailored to specific agency requirements. Standard options feature integrated lighting, tanks, bed covers, storage compartments, pump panels, ladder and hose racks, custom equipment mounts and a selection of chassis configurations. Every truck body is fabricated from stainless steel, and leasing arrangements are provided for customers who prefer an alternative to outright purchase.

4G Vision Tech. Ltd delivers comprehensive 3D printing and architectural scanning solutions. The firm produces a range of printed items, including figurines, prototypes and scale models, while also supplying 3D printers, printing pens and associated material consumables. In addition, 4G Vision Tech. Ltd offers scanning and digitizing services to convert physical objects and spaces into accurate digital formats.

4 Hero's LLC designs and manufactures custom commemorative flags tailored for military organizations. In addition to the flags, the company supplies a variety of complementary items such as lapel pins, coins, bags, edging, engraving bars, as well as numbering and plating services. Production utilizes materials that include brass, stainless steel, Austrian crystal, anodized aluminum and nickel.

4HM Solutions supplies a full range of packaging equipment and consumables. Its product line includes checkweighers, pouch baggers and sorting systems, while its material portfolio covers bags, bakery packs, pouches, dry‑food containers, cleaning and detergent packaging, and roll stock. The company also offers shrink and lamination films as well as printed labels. Customers span the water, automotive, cleaning, food and beverage sectors.

4JET produces laser equipment capable of cleaning, patterning, marking, cutting and altering a variety of substrates. Its portfolio includes systems for edge removal on thin‑film solar panels, paint stripping, engraving and glass structuring. The technology serves tire, automotive, solar, glass and aerospace sectors.

4KAV designs, builds, and installs audio‑visual equipment, offering a range of control and digital audio systems for integration into client projects. The firm’s capabilities encompass full‑service implementation from concept through to on‑site deployment, ensuring that each solution meets the technical requirements of its intended application.

4K Custom Thermoforming manufactures plastic packaging and trays that serve the automotive, electronics, medical and logistics sectors. Its product portfolio includes clamshells, enclosers and inserts, all produced through dedicated thermoforming processes. The firm offers prototype development and can scale production from small batches to large‑volume runs. These packaging solutions are engineered for handling, storage, protection and display applications.

4L, LLC supplies a broad portfolio of tube fittings, pressure gauges, tubing and vacuum equipment. The catalog also includes variable frequency drives (VFD), hoses, pressure regulators and air‑operated diaphragm pumps. Customers can select from ball, control and instrumentation valves, as well as thermometers, electrical supports and coiled tubing. The company serves a diverse range of sectors, including beverage, chemical, food, manufacturing, medical and pharmaceutical industries, among others.

Program management service

4L Waterjet & Machine provides abrasive CNC waterjet cutting and offers CNC machining, CNC forming, general fabrication, assembly and packaging. It operates under approved MIL‑STD quality programs and ISO‑9000 certification, serving commercial OEMs and the U.S. Department of Defense.

Brokerage Service

4MD Medical Solutions provides a broad portfolio of health‑care products, encompassing medical devices, hospital furniture, surgical instruments, patient‑care items, physical‑therapy rehabilitation supplies, mobility aids, daily living assistance devices, laboratory equipment, emergency medical supplies (EMS), as well as dental and veterinary equipment.

4Mega-Vending.com supplies a full range of cigarette vending machines, encompassing wooden and contemporary designs, as well as medium‑ and large‑capacity units that can be wall‑mounted or freestanding. The largest models accommodate up to 384 packs and provide 48 selectable options, with overall dimensions reaching 62.5 inches in height, 33 inches in width and 27 inches in depth. Wooden vending cabinets are offered in natural oak, black oak, dark cherry, and Chesapeake oak finishes. Contemporary versions can be equipped with bill validators and smart‑card interfaces to meet advanced payment requirements.

4M Health distributes health‑care kiosks and a range of medical equipment. Its portfolio includes walkthrough temperature detectors, thermal‑camera surveillance units, and blood‑pressure measurement systems, and the company also provides rental options. The offerings serve corporate wellness programs, clinics, chiropractors, human‑resources departments, hospitals, government agencies, insurance firms, the military and startup ventures.