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MD
Founded in 1991, Intercon Truck Equipment is a Northeastern U.S. truck-equipment distributor, installer, custom manufacturer, repair provider, and parts supplier. It serves commercial, municipal, and transit fleet operators from locations in Aston, Pennsylvania, and Joppa, Maryland, with custom truck-body fabrication and equipment installation among its stated work.
Founded in 1987, Intercontinental Export Import, Inc. (IEI Plastics) buys and sells post-industrial recycled plastics in domestic and international markets. The Columbia, Maryland company has grown into a service-oriented partner for plastics producers and molders, with a focus on closed-loop recycling and its no-landfill approach. Under President Dr. Saurabh Naik, whose background is in polymer chemistry and plastics engineering, IEI also provides processing and recycling support tailored to customers’ needs.
For more than 45 years, International Library Services has built self-service lending kiosks, media vending machines, smart lockers and related equipment that let libraries offer materials beyond their own walls and hours. Founded by Fred Goodman and now led by owners Jason Parsley and Bill McClendon, the company designs its systems around library workflows, integrating with existing library systems for 24/7 borrowing, returns and holds. Its smart lockers are manufactured in the United States and supported by a U.S.-based service team.
International Quality Advantage LLC (IQA) provides precision-engineered defense and industrial manufacturing through ISO-certified platforms in the United States, Europe, and Asia. Its capabilities span turnkey mechanical and electrical manufacturing, PCB production, and marine ropes, supporting the U.S. Department of Defense and other government agencies with mission-critical systems.
International Waste Industries grew from the 1979 merger of an incinerator company and a waste-handling company with roots in the 1960s. For more than 40 years, IWI has designed and manufactured waste-to-energy systems, including its first installation in 1984, for customers worldwide; its work ranges from an 80-ton-per-day Russian plant to systems built for demanding climates.
Intralox develops conveyor belts and automated conveyance equipment, with a particular signature in patented Activated Roller Belt technology for sorting and handling difficult product flows. Its solutions serve food processors, manufacturers, and logistics operations, backed by direct service in more than 100 countries and a global network of assembly centers. The company holds more than 2,300 patents in force worldwide and ships over 12,500 orders each month.
Since its founding in Columbia, Maryland, in 1998, Intralytix has built its identity around bacteriophage research and the precise control of harmful bacteria. The company is best known for pioneering the first FDA-cleared phage-based food additive, ListShield, in 2006, and now applies that technology to food safety and clinical-stage treatments for bacterial infections.
Inventive Systems Inc. designs and manufactures oil-in-water alarms and monitors, including its OILARM® and OIL SENTRY® systems, from West Palm Beach, Florida. Built for unattended monitoring in demanding industrial and marine environments, its self-cleaning instruments address turbidity and oil buildup while operating across a broad pH range. More than 2,600 units are installed with over 350 companies in more than 40 countries, and selected models carry U.S. Coast Guard, ABS, and ATEX approvals.
Born from a 2013 University of Maryland research effort, Frederick-based InventWood turns ordinary wood into SUPERWOOD, a molecularly reengineered building material designed to combine wood’s warmth with steel-like performance. The company’s decade of research includes partnerships with the University of Maryland and Yale, more than 30 journal publications, and a 144-patent portfolio, culminating in commercial production at its Maryland facility. InventWood says the material can be up to six times lighter than steel, achieve a Class A fire rating, and generate 90% lower carbon emissions than steel production.
Known as Baltimore County’s first farm brewery, Inverness Brewing has been turning its historic Monkton farm into a gathering place since brewing began in August 2018. The 100-acre property gives the brewery a distinctive rural setting and informs its seasonal approach to beer, bringing visitors close to the farm behind the taproom.
Iochpe-Maxion, whose roots reach back to a family enterprise founded in 1918, makes automotive wheels and structural components for vehicle manufacturers worldwide. Through Maxion Wheels and Maxion Structural Components, the company operates a global network of engineering and production sites while maintaining local operations across the Americas and beyond. Its long-running Formare partnership also provides professional education for young people in vulnerable communities, with seven company-run units in Brazil, Mexico and India.
Founded by experts from national laboratories, defense, energy, and manufacturing, Beltsville-based ION Storage Systems develops solid-state batteries built around a patented 3D ceramic architecture. Its Cornerstone cells, designed for scalable production, have been shipped to consumer-electronics manufacturers and achieved customer qualification, making ION the first U.S. solid-state battery technology company to reach that milestone. The company’s anodeless platform is designed to avoid swelling and external compression while supporting applications from compact electronics to electric vehicles.
IonQ grew from more than 30 years of academic research and trapped-ion breakthroughs at the University of Maryland and Duke University before Dr. Chris Monroe and Dr. Jungsang Kim founded the company in 2015. Based in College Park, Maryland, it develops commercial quantum computers and helps organizations apply them to difficult computational problems through cloud access and support from quantum scientists.
Born from the COMSAT Laboratories engineers behind Early Bird, IOT Systems provides satellite communications testing systems and engineering services, with its Standard In-Orbit Test System at the center of the business. The Hagerstown company draws on more than half a century of satellite-communications experience and is led by founder and president Steven Teller, whose 25-plus years at COMSAT included in-orbit testing for major communications satellites. Its work spans satellite program support and earth-station testing, serving operators and manufacturers including Lockheed Martin, Space Systems/Loral, Eutelsat and DIRECTV.
Founded in Ipswich, Massachusetts, in 1935, Ipswich Shellfish Group is a family-owned and operated seafood company known for supplying Ipswich clams. What began with local clam diggers and two refrigerated trucks has grown into a regional network serving restaurants, seafood markets, and distributors from Maine to South Carolina, with nationwide and international shipping available.
Established in 2005, IQ Implants North America develops dental implant systems and the prosthetic components, surgical instruments, and materials clinicians use with them. Based in West Palm Beach, the company centers its SMART Implant system on a 3.75mm internal hex platform that fits implants from 3.3mm to 6.0mm, while offering dedicated LOCATOR solutions and clinical support from real people. Its quality and regulatory credentials include ISO certification, U.S. FDA registration and clearance, and CE certification.
Founded by Tom Boyer in 2006, veteran-owned IR.Tools™ manufactures infrared identification and thermal-training products for military, law-enforcement, hunting, and sportsmen communities. The company grew from a single military-grade glow patch into a U.S.-made operation producing custom IFF patches and NIST-aligned thermal drone-training discs, with its SandStorm Technology™ designed to improve patch durability and infrared visibility. In 2026, IR.Tools marks 20 years of developing products intended to help people identify, protect, and train in infrared environments.
With more than 50 years behind it through iRF and predecessor M/A-COM SIGINT Products, iRF Solutions is a Sparks, Maryland RF engineering and manufacturing company known for supporting SIGINT and electronic-warfare programs. Its 25,000-square-foot facility carries designs from concept through production and product support for rugged platforms and mission-specific applications, including SOSA-aligned VPX systems.
Ironmark is a marketing company that connects digital campaigns with physical production and execution, helping organizations manage everything from strategy through delivery under one roof. Founded in 1955 as an offset printer, it has evolved into a second-generation-led firm with particular experience supporting franchise and multi-location businesses, including campaigns spanning hundreds of locations. Its work combines data-driven targeting with commercial print, direct mail and an integrated marketing platform designed to keep local activity on brand and measurable.
Founded in 1955 as Frank Gumpert Printing, Ironmark has grown from an offset printer into an integrated marketing company that connects physical production with digital campaigns, data and strategy. Under second-generation CEO Jeff Ostenso, the company brings marketing from concept through execution under one roof, with particular experience helping franchise and multi-location organizations keep local outreach personalized and on brand. Ironmark also develops Ignition AI, a platform that connects distributed marketing activity with campaign management and revenue-level reporting.