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Our Certifications and Services

What We Do

Our Main Certifications & Services

KelCo Construction is a leading excavation company, providing trenching, demolition, road construction and other earthwork services to clients in the Pacific Northwest. With years of experience in the industry, KelCo has the expertise to handle any project, large or small. Our team provides quality workmanship and customer service that is second to none. Contact us today for all your excavation needs.

Land Clearing

Aggregate Hauling

Site Preparation

Heavy Equipment Operations

Trenching & Earthwork

Excavation & Demolition

Pertinent Codes


237310 - Highway, Street, and Bridge Construction 237990 - Other Heavy and Civil Engineering Construction238910 - site preparation constractors484220 - Specialized Freight (except Used Goods) Trucking, Local


72141509 - Trenching service 72141000 - Highway and road construction services72141106 - Gravel or dirt road construction service 72153900 - Building site preparation services 81101522 - Earthworks engineering

Kelly Killingsworth

KelCo Construction LLC

General A License #1095869

BUSINESS - 707-498-0378

Damage Prevention Institute Certified with 0 dig in incidents reported

PGE Operator Qualified Certification

Veteran Owned

Native American Owned

Disadvantaged Business Enterprise (DBE)