Dokken Engineering

Legal name, DBA and former names

• Dokken Engineering.Source: dokkenengineering.com · As of 2026-10-06

Identifiers (UEI, state registrations)

• SAM UEI DDLGPKSSAGQ7 (as shown on the USAspending recipient record)Source: usaspending.gov/recipient/20b80a35-cc5c-9334-02… · As of 2026-10-06

Offices

• Offices in Folsom, San Diego and Redding, California.Source: dokkenengineering.com · As of 2026-10-06

Ownership type

• Employee-owned (ESOP): DOL Form 5500 lists Dokken Engineering Employee Stock Ownership Plan (NAICS 541330)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-14

Employee count or band

• 170+ amazing staff, per firm home page numbers.Source: dokkenengineering.com · As of 2026-10-06

Services and markets

• California civil engineering including roads, bridges, hydraulics, traffic/electrical, environmental, right of way and public outreach.Source: dokkenengineering.com · As of 2026-10-06

Leaders

• Mark Tarrall, PE, Vice President, San Diego Regional Manager (firm staff profiles page)Source: dokkenengineering.com/who-we-are · As of 2026-10-06

Federal awards (contracts)

• USAspending recipient record DOKKEN ENGINEERING (Folsom, CA), contract award obligations: FY2021 $15,000, FY2022 $7,000, FY2023 $0, FY2024 $0, FY2025 $0 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/20b80a35-cc5c-9334-02… · As of 2026-10-06

ESOP plan data (Form 5500)

• DOL Form 5500 plan year beginning 2024-01-01: DOKKEN ENGINEERING EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20251014185127NAL0007187266001), 124 active participants and total plan assets of $21,481,551 at year end.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-14

Public filings

• DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: DOKKEN ENGINEERING EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20251014185127NAL0007187266001, 124 active participants); DOKKEN ENGINEERING 401(K) PROFIT SHARING PLAN (ACK_ID 20251014185051NAL0007186578001, 145 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-14

Rankings and awards

• Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05

Sources of record

1. https://www.dokkenengineering.com/
2. https://www.usaspending.gov/recipient/20b80a35-cc5c-9334-026e-b6c37dec00b8-P/latest
3. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets
4. https://www.dokkenengineering.com/who-we-are
5. https://www.enr.com/toplists/2026-top-500-design-firms-5