Business Services

Independent engineering services in Frederick, MD

14 independent, locally-owned engineering services are listed in Frederick, Maryland on CheckThisBiz. National chains and franchises are not included. Ranked by how much we could independently verify (listing sources, phone, website and owner verification), the top engineering services are Smoley Engineers & Consultants, Specialized Engineering and Aashto Materials Reference Lab.

How we rank: email-verified customer reviews on CheckThisBiz first, then independent checks (listing sources, phone, website and domain, owner verification). Paid placement never changes this ranking. Our methods · Sources · Updated November 12, 2026

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All 31 Engineering 14 Masonry Contractor 1 Crane 1 Civil Engineer 1

14 engineering services in Frederick · Clear

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Smoley Engineers & Consultants

Engineering Service

19 N Court St, Frederick, MD

Good signals

Specialized Engineering

Engineering Service

4845 International Blvd, Frederick, MD

Good signals

Aashto Materials Reference Lab

Engineering Service

4441 Buckeystown Pike, Frederick, MD

Good signals

Shafer, Troxell & Howe Inc.

Engineering Service

97 Monocacy Blvd Ste D, Frederick, MD

Good signals

Clym Environmental Services

Engineering Service

1539 Tilco Dr Ste 123, Frederick, MD

Good signals

Spoint1 Engineering

Engineering Service

50 Carroll Creek Way Ste 310, Frederick, MD

Good signals

ECS Mid-Atlantic, LLC - Frederick

Engineering Service

5112 Pegasus Ct Ste S, Frederick, MD

Good signals

Think Baseline

Engineering Service

147 West Patrick St, First Floor, Frederick, MD

Good signals

Washington Laboratories

Engineering Service

Compliance Testing Laboratory, 4840 Winchester Blvd Ste 5, Frederick, MD

Some signals

Grove Resource Solutions

Engineering Service

5235 Westview Dr Ste 101, Frederick, MD

Some signals

VibraTech Engineers Inc.

Engineering Service

5712A Industry Lane, Frederick, MD

Some signals

Adtek Engineers Inc

Engineering Service

150 S East St Ste 201, Frederick, MD

Some signals

Hillis-Carnes Engineering Associates, Inc.

Engineering Service

1660 Bowmans Farm Rd Ste 105, Frederick, MD

Some signals

Taf Management

Engineering Service

8007 Captains Ct, Frederick, MD

Some signals

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