Catalyst Connection
Find manufacturersAdd your company
Catalyst Connection

Copyright 2026 Catalyst Connection

All rights reserved

Directory

  • All manufacturers
  • Maryland manufacturers
  • New York manufacturers
  • Ohio manufacturers
  • Pennsylvania manufacturers
  • West Virginia manufacturers

Company

  • About us
  • Blog
  • Contact us

Support

  • Terms of service
  • Privacy policy

Stay up to date

Get regional manufacturing news, events, and resources from Catalyst Connection.

Subscribe to the newsletter

Find manufacturers

Use company names, capabilities, certifications, NAICS codes, and location filters to narrow qualified suppliers faster.

Search

Search by company name, process, material, product, equipment, or capability.

Search results

Showing 21-40 of 2792 results

MD

Accurate Word, LLC logo

Accurate Word, LLC

WHITE PLAINS, MD
11-50
View profile

Accurate Word, LLC operates GovBusinessCards.com, an online ordering system for government and corporate business cards and engraved stationery. The company manufactures fine stationery and provides engraving, foil stamping, blind embossing, and raised printing for invitations, letterhead, envelopes, business cards, and related stationery.

Business CardsEngraved Business CardsRaised Printed Business Cards+29 more
AccuStrata Inc logo

AccuStrata Inc

ROCKVILLE, MD
View profile

Founded in 2008 through the University of Maryland TAP program, Rockville-based AccuStrata develops custom optical spectroscopy instruments, sensors and control systems for real-time industrial and environmental monitoring. Its fiber-optic platforms combine optical measurement with predictive modeling and machine learning, while the company takes projects from early concepts through prototypes, field validation and commercialization. AccuStrata’s patented work includes AtOMS, a system for monitoring thin-film deposition and etching, and the company has developed technology for applications ranging from solar manufacturing to portable water testing.

AtOMS Atomic Spectroscopy SystemOptical Metrology ToolsCustom Optical Sensors+65 more
ACDi (American Computer Development, Inc.) logo

ACDi (American Computer Development, Inc.)

FREDERICK, MD
51-200
View profile

Founded in 1984, ACDi (American Computer Development, Inc.) builds electronic products for OEMs, carrying projects from PCB assembly and prototype introduction through testing, systems integration and production support. Its U.S.-based operation spans three facilities totaling more than 100,000 square feet, with sites tailored to high-mix prototypes, larger-volume programs and medical or other regulated work. ACDi supports aerospace and defense customers with AS9100D and ISO 9001:2015 certification, ITAR registration and NIST 800-171 compliance.

Printed Circuit Board AssembliesBox BuildsElectromechanical Assemblies+46 more
Ace Electronics logo

Ace Electronics

ABERDEEN PROVING GROUND, MD
51-200
View profile

Ace Electronics began in 1978 as a family-oriented company founded by three telecommunications industry experts, and it remains shaped by that interconnect heritage. Today, the company serves commercial, industrial and military customers as a U.S. contract manufacturer, with particular experience supporting defense programs. Its quality system is certified to AS9100D and ISO 9001:2015 standards.

Cable AssembliesWire HarnessesElectromechanical Assemblies+63 more
ACE Printing & Mailing logo

ACE Printing & Mailing

BERLIN, MD
11-50
View profile

From Berlin, Maryland, ACE Printing & Mailing produces print and direct-mail campaigns, taking projects from concept through delivery for local and nationwide clients. The company says it is the Delmarva Peninsula’s oldest direct-mail partner and has mailed more than 100 million pieces, with services that include targeted mailing-list support and USPS-certified mailing. Its personal, full-service approach extends from custom print work to branded ordering portals for businesses managing print across their teams.

BookletsBookmarksBusiness Cards+55 more
Acera, LLC logo

Acera, LLC

ANNAPOLIS, MD
2-10
View profile

Known for its patented approach to endoscopic illumination, Acera, LLC develops portable LED light sources for medical professionals and industrial inspectors. Its TIR lens technology sends about 90% of the LED’s light into an optical fiber, allowing existing scopes to work without a tethered light guide; the company also provides modules for OEM integration.

Handheld LED Light SourcesEndoscopic LED Light SourcesBorescope LED Light Sources+21 more
Ackerman & Baynes, LLC logo

Ackerman & Baynes, LLC

BALTIMORE, MD
View profile

Since 1945, Baltimore-based Ackerman & Baynes, LLC has fabricated steel for bridges, construction projects, and industrial customers. Its 32,000-square-foot shop and 40,000-square-foot outdoor storage area support work ranging from bridge components and simple steel bridges to custom OEM metal parts, including weldments up to 25 tons. Ackerman & Baynes is an AISC-certified fabricator, with welders certified to AWS D1.1 and D1.5 codes and a full-time certified welding inspector on staff.

Bridge ComponentsSimple Steel BridgesBridge Beams+69 more
Acknowledge logo

Acknowledge

BRUNSWICK, MD
2-10
View profile

Acknowledge grows hemp on its own Maryland farm and turns those single-strain, farm-grown extracts into small-batch CBD and THC wellness gummies. Woman-founded and women-led, the company follows regenerative organic farming practices and keeps its process traceable from seed to shelf. Its Pleasant Valley farm is USDA Organic certified, Silver-Level Regenerative Organic certified, and Bee Friendly certified.

CBD GummiesTHC GummiesTopicals+19 more
Aclara Resources Inc logo

Aclara Resources Inc

BETHESDA, MD
View profile

Aclara Resources is developing a vertically integrated heavy rare earth supply chain, from ionic clay deposits in Brazil and Chile through U.S. separation and magnet-grade alloy production. Its patented Circular Mineral Harvesting process is designed to produce rare earth concentrates without tailings while recirculating 95% of process water and 99% of its main reagent. The company is also applying artificial intelligence to exploration and separation, with a pilot plant partnership involving Virginia Tech and Argonne National Laboratory.

Mixed Rare Earth CarbonatesRare Earth OxidesDysprosium Oxide+47 more
Acquired Data Solutions (ADS) logo

Acquired Data Solutions (ADS)

ROCKVILLE, MD
11-50
View profile

Founded more than 28 years ago by technology entrepreneur Steve Seiden, Acquired Data Solutions is a Rockville small business known for helping government and commercial organizations address difficult engineering challenges. It grew from a test-and-measurement firm into a provider of secure technology solutions, with a particular focus on mission-critical work and long-term government relationships. ADS holds ISO 9001:2015 certification.

Transform-CV Computer Vision SystemBlade RiskManagerBlade Validate+34 more
Action Manufacturing Co logo

Action Manufacturing Co

COLUMBIA, MD
View profile

Founded as a small machine shop in 1946, Action Manufacturing Co. is a vertically integrated small business that has spent more than 75 years developing precision ordnance products. Its Bristol headquarters anchors a three-facility operation that takes projects from early research through production, with work conducted under ISO 9001:2015 and AS9100D certification.

Precision Ordnance ProductsFuzesOrdnance Components+24 more
Action Packaging logo

Action Packaging

BELTSVILLE, MD
11-50
View profile

Founded in 1980 as Action Bag Company by Marie Gebbie, Action Packaging is a third-generation, family-owned company that supplies stock and custom packaging for businesses across industries. The Woodstock company combines broad packaging resources with custom packaging support and nationwide distribution, while remaining led by Marie’s granddaughter, CEO Haley Cwynar. Action Packaging is also certified as a Women Business Enterprise and Women-Owned Small Business.

Polyethylene BagsPlastic SheetingPlastic Liners+55 more
Action Products, Inc logo

Action Products, Inc

HAGERSTOWN, MD
51-200
View profile

Action Products, Inc. designs, manufactures, and sells medical products and other polymer-based products. Its product range includes operating-room patient positioning and support surfaces, home medical wheelchair cushions and adaptive pads, and pressure-injury prevention products made primarily from proprietary Akton® viscoelastic polymer.

Hospital ProductsHome Medical ProductsOperating Room Support Surfaces+42 more
Active Signal Technologies, Inc logo

Active Signal Technologies, Inc

LINTHICUM HEIGHTS, MD
2-10
View profile

Active Signal Technologies was founded in 1996 by members of Lockheed Martin’s advanced sensor and solid-state actuator group, carrying that research background into specialized device development. The Maryland company’s work is especially associated with the Brain Acoustic Monitor, a portable system developed for noninvasive assessment of traumatic brain injury in military, hospital, and emergency-care settings. It also developed a noise-immune stethoscope for clinicians working in aircraft and other extremely loud environments.

Brain Acoustic MonitorNoise Immune StethoscopeHigh-Temperature Capacitors+48 more
Active Silicon logo

Active Silicon

SEVERNA PARK, MD
11-50
View profile

Founded in 1988, Active Silicon designs and manufactures imaging products and embedded vision systems, from autofocus-zoom cameras and frame grabbers to custom systems for image processing and machine control. Its UK R&D team combines hardware, software and FPGA expertise, while the company’s products support demanding applications ranging from space missions and industrial inspection to medical imaging and defense. Active Silicon is part of Solid State plc’s Steatite systems division and is ISO 9001 certified.

CamerasAutofocus-Zoom Block CamerasBoard Cameras+52 more
ACUITYnano LLC logo

ACUITYnano LLC

CHEVY CHASE, MD
2-10
View profile

Maryland-based ACUITYnano LLC develops biomedical and laboratory technologies that use microfluidics, optics, machine vision, and embedded control to manipulate and study nanoscale objects and living cells. Its R&D work ranges from a low-cost on-chip near-field optical microscope with reported 10-nanometer resolution to automated systems for cell and nematode analysis, including research designed for microgravity experiments. The company also helps research organizations, startups, and medical-device businesses move concepts from early development into prototypes and products.

On-Chip Near-Field Scanning Optical MicroscopeMicrofluidic Imaging SystemsMicrofluidic Chips+52 more
Adams Communication & Engineering Technology logo

Adams Communication & Engineering Technology

CALIFORNIA, MD
View profile

Founded by Charles Adams in 1999, ACET remains led by its founder as it serves federal missions from its Maryland headquarters. The company is known for taking on demanding technical work for defense and intelligence customers, including support for U.S. Navy aviation programs. Its aviation quality system is certified to AS9100D and AS9110C standards.

C5ISR SystemsAirborne ISR SystemsCommunication and SATCOM Solutions+46 more
ADD ASTRA logo

ADD ASTRA

SPARKS GLENCOE, MD
2-10
View profile

ADD ASTRA is a precision additive manufacturing company producing complex components, functional prototypes, tooling, fixtures, and end-use parts. Its capabilities include FDM, SLA, SLS, 3D modeling, and engineering services for aerospace, defense, medical, industrial, construction, and entertainment markets.

Complex ComponentsFunctional PrototypesTooling+46 more
ADDMAN logo

ADDMAN

GLEN BURNIE, MD
View profile

ADDMAN is an advanced manufacturing company producing polymer and metal additive components, injection-molded parts, precision-machined components, assemblies, tooling, fixtures, thermal-management parts, and propulsion components. Its capabilities include laser powder bed fusion, polymer 3D printing, injection molding, CNC milling and turning, wire EDM, friction stir welding, urethane casting, post-processing, and assembly. The company serves aerospace, defense, commercial space, medical, energy, and industrial markets.

Polymer 3D Printed ComponentsMetal Additive ComponentsInjection-Molded Parts+110 more
ADDMAN Group logo

ADDMAN Group

GLEN BURNIE, MD
501-1,000
View profile

Founded in 2021, ADDMAN Group is a Fort Myers-based manufacturing company built around simplifying difficult production challenges for customers in aerospace, defense, space, and medical markets. Its eight U.S. facilities carry projects from early prototypes into production, with particular depth in advanced materials and mission-critical components. ADDMAN also maintains certifications including AS9100D, ISO 9001:2015, NADCAP, and ISO 13485:2016.

Cold PlatesThrustersRocket Nozzles+58 more
Loading map...
  • 1
  • 2
  • 3
  • ...More pages
  • 140