Skip to content
Last updated: September 2026
DE

Diversified Environmental Field Services (DEFS)

Glendale, CA

Diversified Environmental Field Services (DEFS), the DBA for Diversified Drilling Inc., provides environmental field services as a subcontractor to environmental consulting and engineering firms. It supports Phase II and Phase III environmental site assessments and soil and groundwater remediation through drilling, sampling, construction, and remediation services. Its personnel have more than 20 years of industry experience.

soil samplinggroundwater samplingsoil gas samplingdirect push drillinghollow stem auger drillingremediation servicesenvironmental constructionmethane gas testing
Is this your business? Claim this listing — free

Coverage Area

Los Angeles, Orange, Riverside, San Bernardino, Ventura, and San Diego Counties in Southern California.

Additional Details

Phase II ESA Capable
Yes
Service Types Offered
Phase II ESARegulatory Compliance

Location

105 N Everett St, Glendale, CA 91206

Request a Quote from Diversified Environmental Field Services (DEFS)

Sent directly to Diversified Environmental Field Services (DEFS). Free, no obligation.

Have you worked with this business? Leave a review

Leave a Review for Diversified Environmental Field Services (DEFS)

Reviews are verified before publishing.

Sponsored

Want to appear above your competitors?

Get Featured

Premium placement · Priority visibility · Sponsored badge

Stay Updated

Pricing data and tips for choosing a provider.

Free. Unsubscribe anytime.