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MD
Since the 1970s, Baltimore-based Jericho Stage has built and managed temporary event stages, with a particular knack for custom structures that fit unusual venues. The company has constructed stages over pools and fountains, above existing seats, and in other unconventional spaces while supporting events ranging from concerts and graduations to fashion shows and presidential inaugurations. JSI serves the Mid-Atlantic from Richmond to Philadelphia and beyond.
Founded in 2013 at Patuxent River’s Naval Air Warfare Center, JET Systems is a small aerospace and robotics engineering company that develops modular software, hardware, and integration solutions for unmanned and manned military aircraft. Its work spans DoD support and commercial applications, with a particular focus on open architecture and reusable middleware that help customers update existing platforms more quickly and economically. JET also carries that defense-systems expertise into products such as its ALF framework and drone-training simulator.
Jetperch LLC is the Maryland company behind the Joulescope name, known for making accessible precision energy analyzers for engineers developing battery-powered and always-on electronics. Its instruments help teams understand how embedded hardware and software affect energy use, with open-source computer software supporting analysis and automation.
JFL Consulting develops cybersecurity services and American-engineered secure hardware for businesses and government agencies, including its patented Mobile Air Cyber Kit. Founded in 1997 and led by Navy veteran John Latuperissa, the company has spent more than two decades supporting federal missions with advanced cyber operations, threat response, and field-deployable systems. JFL is a certified Service-Disabled Veteran-Owned Small Business and holds ANAB-accredited ISO 9001 certification.
Maryland-based and family-owned and family-run, JFRAI Family Farms grows fresh produce while building farm experiences around sustainable agriculture, education, and emerging technology. Its work combines greenhouse growing with interactive tours, hands-on workshops, and learning games, while planned tools such as AI crop monitoring and autonomous robotics point toward the farm’s future-facing approach. The farm also connects its community with wellness activities and agricultural resources, including grant and education support for other farmers.
Operating from the Jimmy’s Famous Seafood restaurant in Baltimore, Jimmy’s Famous Meals prepares chef-made meals for heat-and-eat convenience. Customers can order individual meals or personalized weekly plans, with nutrition information included and guidance available from a licensed health coach. The company delivers locally, offers pickup locations across Maryland and Southern Pennsylvania, and ships refrigerated meals to multiple states.
JIO Robotics is a workforce-development company focused on closing the skills gap created by advanced manufacturing. Through its JIO Robotics Academy, it helps prepare people for robotics careers while connecting manufacturers with trained talent; the company also develops humanoid robotic solutions for industrial applications.
For more than 100 years and four generations, J.J. Crewe & Son, Inc. has engineered and fabricated gas compression and industrial refrigeration systems from its Maryland-area operation. The OEM shop builds packaged equipment for compressor manufacturers including Sullair, Aerzen, Howden and Knox Western, while also providing service and engineering support for its own and other manufacturers’ equipment. Its process-engineering background lets Crewe jointly specify, shop-fabricate and test skid-mounted systems before delivery.
Led by a team trained in materials science and civil engineering at Johns Hopkins University, JJ Innovative Materials Inc. is a Baltimore company developing lower-carbon building materials from plant-based and recovered inputs. Its work is aimed at giving construction customers practical alternatives that divert waste and reduce the environmental burden of building.
Based in Southern Maryland, JKJET develops unmanned aerial systems and blends them with lightweight artificial intelligence, acoustic sensing, and enhanced optics to close capability gaps in the field. Its work is aimed at tactical military users as well as first responders, disaster-relief teams, and commercial operators, with an emphasis on low-power processing and practical deployment. JKJET operates as a virtual company and includes 4CAS.ai as its AI innovation cell.
For nearly half a century, JL Audio has designed and produced audio equipment for cars, boats, powersports vehicles and homes. The brand is particularly known for engineering sound-focused systems that pair high fidelity with the demands of outdoor use, including weather-resistant marine receivers and custom-fit Stealthbox subwoofers.
JLG Industries manufactures access equipment, with manufacturing facilities in the United States, Australia, Mexico and China. Its equipment includes boom lifts and scissor lifts, and the company also provides equipment support and training through its locations and JLG University.
Founded by Ron and Treva Suit as a family legacy, JMS Electrical and Mechanical Services is a full-service electrical and mechanical contractor serving residential, commercial, and industrial customers across Delmarva and the surrounding region. Ron brings more than 32 years as a Master Electrician, while their son J.R. leads the mechanical division with over 35 years of experience. The company remains closely family-run, with the Suits working together on projects from electrical repairs and installations to industrial mechanical work.
Joe Blow Tees, Inc. is an apparel company that designs and wholesales licensed T-shirts and other apparel. Its story began nearly 50 years ago as a small retail store, and the company says its wholesale business grew from supplying that store into national distribution through retailers and licensing partnerships. Its licensed designs include merchandise for Ford, General Motors, and U.S. military branches.
Founded in Baltimore in 1983, Joe Corbi’s makes pizza kits and runs school fundraising programs built around food and community sales. The company grew from Joe Corbi’s early work manufacturing pizza crusts for Maryland markets into a broader fundraising operation, with more than 30,000 completed fundraisers cited by its service team. Its original pizza kit pairs dough with family-recipe sauce and cheese, while fundraising consultants support groups from planning through delivery.
John J. Kelley Associates is a family-owned ocular prosthetics practice that custom-fits and fabricates artificial eyes and related prostheses. Serving patients for more than 60 years, the company is staffed by second- and third-generation ocularists and has pursued polymer-chemistry research and product innovation in ocularistry for more than 30 years.
Founded in 1942 as a wartime research effort, Johns Hopkins University Applied Physics Laboratory is a not-for-profit university-affiliated research center known for turning difficult national challenges into working technology. From its Laurel campus, APL serves government sponsors through independent research and practical technical expertise, with a particular role in strengthening national security and advancing space exploration.
Since 1975, farmer-owned Johnson Berry Farm has grown organic berries on its Olympia, Washington, farm and turned them into small-batch jams shipped directly from the farm. Jim Johnson develops the recipes, including the farm’s distinctive pepper jams, while the operation sells through the Olympia Farmers Market and has maintained a presence there for 43 years. The farm became certified organic in 1991 and has been a Pike Place Market member since 2000.
Established in Germany in 1952, JOOLA makes table-tennis equipment and has expanded its racket-sports range to include pickleball paddles and gear. The brand built a particularly strong U.S. presence through the North American Tour and later served as the official table sponsor for major USA Table Tennis tournaments from 2012 to 2019. Since Sport Squad acquired JOOLA Tischtennis GmbH in 2019, JOOLA has continued its table-tennis heritage while growing into pickleball, launched in 2022.