2026 Maryland/DC Manufacturers Directory® & Maryland/DC Manufacturing Industry Database
The 2026 Maryland/DC Manufacturers Directory® profiles 3,311 manufacturers and 8,170 executive contacts by name & title.
The Maryland/DC Manufacturing Industry Database includes additional profiles for selected wholesalers, distributors, suppliers, and industrial service providers.
Each company profile contains up to 40 data points.
The 320-page Maryland/DC Manufacturers Directory® is published each June.
The Maryland/DC Manufacturing Industry Database is available as an IndustrySelect online database for your PC, Mac, tablet, or smartphone.
Data is researched by MNI to ensure the highest level of accuracy.
It's industry's leading business profile data for sales, marketing, recruiting, and research. |
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2026 Maryland/DC Manufacturers Directory® |
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| Companies: 3,311 |
Executives: 8,170 |
$177 |
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Maryland/DC Manufacturing Industry Database* |
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| Companies: 4,624 |
Executives: 11,015 |
Maryland/Washington DC Manufacturers
Company Coverage
Companies: 4,624
Company Phones: 4,622 (100%)
Company Emails: 3,514 (76%)
Company Websites: 4,217 (91%)
LinkedIn Profiles: 2,812 (61%)
Executive Coverage
Executives: 11,015
Direct Emails: 7,204 (65%)
Direct Phones: 139 (1%)
Note: Executive direct emails and direct phones are only included with the Basic+ and Pro+ versions.
Corporate Hierarchy
Parent Companies: 1,005
Parent Company Executives: 5,105
Ultimate Parent Companies: 213
Ultimate Parent Company Executives: 1,409
Note: Parent company and executive data is viewable on-screen, but cannot be exported unless the company is part of your Pro/Pro+ subscription.
Parent company counts may include duplicates as multiple companies may share the same parent companies.
View All Counts
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| Basic Version |
$177/year |
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| Basic+ Version |
$346/year |
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| Pro Version |
$507/year |
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| Pro+ Version |
$988/year |
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 View Features & Compare Versions |
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*Available as an IndustrySelect online database with live 24/7 access from any PC, Mac, tablet, or smartphone. Number of companies and executives may fluctuate over the course of your subscription based on current data. The one-time annual cost includes 12-month single-user access to the data. Additional users may be added at a discounted rate. Subscriptions do not auto-renew. Usage subject to terms & restrictions. View features & compare versions or sign up for a free demo.
All IndustrySelect subscriptions are fully inclusive. There are no credits, tokens, or usage-based fees—just one transparent price.
Do business in Delaware, Florida, Georgia, North Carolina, South Carolina, Virginia, or West Virginia? Save with the South Atlantic package.
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Leading Maryland/DC Industries by Employment:
13% Chemicals and allied products
12% Electronic and other electric equipment
11% Printing and publishing
10% Industrial machinery and equipment
10% Food and kindred products
Largest Maryland/DC Manufacturers by Employees:
Northrop Grumman Corporation (Linthicum) - 7,200
Gore & Assocs., Inc., W. L. (Elkton) - 3,000
Constellation Energy Services, LLC (Baltimore) - 2,100
Under Armour, Inc. (Baltimore) - 2,000
BD Diagnostic Systems (Sparks) - 1,600
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Maryland/DC Counties with the Most Manufacturing Jobs:
Independent - 33,080
Anne Arundel - 26,072
Montgomery - 23,284
Prince Georges - 22,639
Baltimore - 21,604
Maryland/DC Cities with the Most Manufacturing Jobs:
Baltimore - 33,080
Columbia - 7,389
Linthicum - 7,320
Rockville - 6,208
Frederick - 6,103
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