Skip to content

Engineering Firms.us

Directory Locations Services Industries

Loading account…

Loading directory…

Engineering Firms.us

© 2026 Demand Delta

Firm types About Directory support Privacy Terms

Find the right engineering partner.

Explore capabilities, project experience, and office locations to build your shortlist.

Find an engineering firm

Refine your search

2

defense×security×

State

NY1

PA1

TN1

VA1

City

Knoxville1 New York1 Springfield1 West Chester1

Firm types

Defense Engineering2 Civil Engineering1 Electrical Engineering1 Environmental Engineering1 Fire Protection Engineering1

Industries

Defense4 Government13 Commercial12 Education12 Healthcare12

Services

security0 Systems Engineering241 Electrical Engineering170 Mechanical Engineering164 Program Management136

Firm size

10–49 employees1 50–199 employees1

security defense

Computer Systems Center Incorporated

Your mission. Our experience. Proven results.

Springfield, VA

Matches: Security · Defense

Engineering Services Group, Inc.

Firm types About Directory support

Mechanical and Electrical Consulting Engineering

Knoxville, TN

Matches: Security · Defense

The Garrett Group (THMG Inc.)

Solutions for a Changing World

Matches: Security · Defense

Weston Solutions, Inc.

Committed to Creating a Better Tomorrow

West Chester, PA+1

Matches: Security · Defense