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

petroleum-engineering×environmental-engineering×

State

CA2

City

Lake Forest1 Simi Valley1 Trabuco Canyon1

Firm types

petroleum-engineering0 Environmental Engineering286 Civil Engineering253 Land Surveying124 Structural Engineering115

Industries

Environmental & Remediation3 Oil & Gas3 Mining2 Water Resources2 Carbon Capture1

Services

Environmental Engineering3 Construction Management6 Pipeline Engineering5 Project Management5 Civil Engineering3

Firm size

1,000+ employees1

environmental-engineering petroleum-engineering

CE

Cardno Engineering Services

Geological and Geotechnical Services and Environmental Engineering.

EDM Services, Inc.

Exceptional Service is all we Sell

Simi Valley, CA

Firm types About Directory support

Edifica USA

Multi-discipline geotechnical, structural, and environmental engineering services

Lake Forest, CA+1